Relevant bibliographies by topics / General Chemical Engineering

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'General Chemical Engineering'

Author: Grafiati
Published: 9 July 2021
Last updated: 20 April 2024

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Journal articles on the topic "General Chemical Engineering"

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Costa, R., G. D. Moggridge, and P. M. Saraiva. "Chemical product engineering: An emerging paradigm within chemical engineering." AIChE Journal 52, no. 6 (June 2006): 1976–86. http://dx.doi.org/10.1002/aic.10880.

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WILSON, ELIZABETH. "CHEMICAL & ENGINEERING." Chemical & Engineering News 82, no. 13 (March 29, 2004): 5. http://dx.doi.org/10.1021/cen-v082n013.p005.

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RITTER, STEVE. "CHEMICAL & ENGINEERING." Chemical & Engineering News 82, no. 50 (December 13, 2004): 5. http://dx.doi.org/10.1021/cen-v082n050.p005.

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HANSON, DAVID. "CHEMICAL & ENGINEERING." Chemical & Engineering News 80, no. 6 (February 11, 2002): 5. http://dx.doi.org/10.1021/cen-v080n006.p005.

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BAUM, RUDY. "CHEMICAL & ENGINEERING." Chemical & Engineering News 80, no. 34 (August 26, 2002): 9. http://dx.doi.org/10.1021/cen-v080n034.p009.

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REISCH, MARC. "CHEMICAL & ENGINEERING." Chemical & Engineering News 81, no. 8 (February 24, 2003): 4. http://dx.doi.org/10.1021/cen-v081n008.p004.

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REISCH, MARC. "CHEMICAL & ENGINEERING." Chemical & Engineering News 83, no. 40 (October 3, 2005): 9. http://dx.doi.org/10.1021/cen-v083n040.p009.

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MCCOY, MICHAEL. "CHEMICAL & ENGINEERING." Chemical & Engineering News 83, no. 50 (December 12, 2005): 7. http://dx.doi.org/10.1021/cen-v083n050.p007.

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Hinrichsen, Kai-Olaf, and Elias Klemm. "Chemical Reaction Engineering." Chemical Engineering & Technology 39, no. 11 (October 21, 2016): 1992. http://dx.doi.org/10.1002/ceat.201690063.

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Cussler, E. L., and James Wei. "Chemical product engineering." AIChE Journal 49, no. 5 (May 2003): 1072–75. http://dx.doi.org/10.1002/aic.690490502.

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Dissertations / Theses on the topic "General Chemical Engineering"

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Asghari, Amir Kasra. "Microstructural engineering of cakes." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7757/.

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The objective of this thesis is to advance the current understanding of some pertinent formulation and processing interactions informing final cake microstructures. A primary concern is to understand how certain ingredients, fundamental to cake batter formation interact, to develop new methods and models for optimising and characterising these microstructures. The motivation of this work stems from the empirical methods still prevalent within cake research. However, an approach based on fundamental understanding of formulation and processing functions is necessary for both future innovation and eradication of some current challenges facing the cake baking industry. A bottom-up approach begins by exploring the interactions of key structural components; starch and protein within wet-foam systems with an objective of maximising foaming capacity and stability through focus on formulation design. Consequently, the structure of the model system is further developed to resemble a foam based cake in which the influence of formulation is evaluated through novel characterisation methods novel to this field of research. The work ultimately combines microstructure design, development and characterisation to maximise air retention within model cake systems.
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John, Unyime Edet. "Chemical performance of cement stabilised contaminated clay." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/1453/.

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Urban demand has increased the need to redevelop contaminated land. New legislation for land management has actively discouraged previously acceptable dig and dump practices. This has encouraged in-situ remediation approaches, for which stabilisation / solidification (S/S) is particularly suitable for treating metal contamination. However, concerns over long-term effectiveness and durability of S/S needs to addressed, because contamination is contained but not removed. This requires effective chemical assessments to inform design. This study aims to design a suitable method for assessing S/S effectiveness, using a holistic risk based approach, for use during performance based S/S design. The processes that induce containment were evaluated, by assessing the solubility controlling mechanisms, and undertaking geochemical speciation modelling, to determine solubility controlling minerals. These findings can be used at the design stage to engineer S/S application to particular sites, and ensure long-term performance with minimal risk. Evaluations for structural master species (Al, Si, and Ca) and contaminants (Zn\(^2\)\(^+\), Cr\(^3\)\(^+\)) in cement stabilised contaminated kaolin were undertaken. The influences of common soil components (Humic acid and sodium sulphate), and increasing hydration durations were also assessed, to inform containment effectiveness and chemical durability. Findings showed that the assessment method was suitable for chemical characterisation of stabilised matrices, as a tool for informing design and application.
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Chen, Jay-San. "Standardisation of flexure testing of engineering ceramics." Thesis, University of Warwick, 2000. http://wrap.warwick.ac.uk/67042/.

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With the increase in usage of engineering ceramics, a new industrial standard is required in order to evaluate its properties and to perform a fair and just trade. The thesis investigates the faults and omissions of existing work and judges today's requirements thereby constructing a framework with which today's and future standards in flexure testing can be based. The draft standard presented in this thesis covers the three major testing methods for determining the biaxial flexural strength (modulus of rupture) of engineering ceramics. The ring-on-ring, ball-on-ring, and 4-Ball test fixtures were all adopted as standard, since it is known that each of these systems is suited for a particular application and each has different advantages and disadvantages. The three major biaxial test methods prescribed in this draft standard have been devised so that more consistent and accurate test results can be obtained. However, the uncertainty of measurement in flexure testing always exists and needs to be estimated. The estimation of uncertainty in flexure testing in this study is based on the methodology provided in the ISO Guide to the expression of uncertainty in measurement. The results of the estimation showed that the uncertainty in measurement for the biaxial flexure test standard proposed in this thesis is very low compared to the inherent variability of the strength of ceramic materials. It was also found that the applied load, thickness of the disc plate, and random effects are the three major components contributing to the overall uncertainty. The total uncertainty of measurement in biaxial flexure testing can be significantly minimised by the reduction of the uncertainty contributed from these components, especially from random effects.
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Chitez, Adriana. "Coupled thermo-hygro-chemical modelling of self-healing processes in cementitious materials." Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/70906/.

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This thesis presents details of a numerical programme of study on the themo-hygrochemical (THC) processes occurring during the self-healing of cementitious materials. A comprehensive THC model, which is mechanistic in nature, is proposed and implemented in the framework of the finite element method. The aim of this model is to develop a useful computational tool that is capable of realistically predicting damage recovery in terms of the crack filling observed under specific environmental conditions. The early age and long term behaviour of the cementitious materials is simulated by solving a boundary value problem which couples moisture-temperature-ion transport mechanisms by means of mass and enthalpy balance equations. The model assumes that all the transport processes occur at the capillary pore level and that the selfhealing is driven by ongoing hydration. In this context, attention is focused on developing an innovative microstructural model that can predict the quantitative evolution of the capillary porosity. The microstructural model is based on an existing colloidal classification of the water forms present in the clinker hydrates, on hydration kinetics principles and on the stoichiometry of the Portland cement. The effect of the aggregate absorption on the capillary porosity is also examined. Firstly, the adopted theoretical considerations regarding the transport of moisture and temperature in cement-based materials are validated by comparing the numerical findings of the TH component with the reported results of three different sets of drying experiments. Then the THC model is applied to the simulation of a crack recovery experiment undertaken at Cardiff University. In both cases the proposed model was found to capture the essential characteristics of the thermo-hygro-chemical behaviour of cementitious materials.
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Smith, Gregory K. "Simulations of chemical catalysis." Thesis, The University of New Mexico, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3612623.

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This dissertation contains simulations of chemical catalysis in both biological and heterogeneous contexts. A mixture of classical, quantum, and hybrid techniques are applied to explore the energy profiles and compare possible chemical mechanisms both within the context of human and bacterial enzymes, as well as exploring surface reactions on a metal catalyst. A brief summary of each project follows.

Project 1 - Bacterial Enzyme SpvC

The newly discovered SpvC effector protein from Salmonella typhimurium interferes with the host immune response by dephosphorylating mitogen-activated protein kinases (MAPKs) with a β-elimination mechanism. The dynamics of the enzyme substrate complex of the SpvC effector is investigated with a 3.2 ns molecular dynamics simulation, which reveals that the phosphorylated peptide substrate is tightly held in the active site by a hydrogen bond network and the lysine general base is positioned for the abstraction of the alpha hydrogen. The catalysis is further modeled with density functional theory (DFT) in a truncated active-site model at the B3LYP/6-31 G(d,p) level of theory. The truncated model suggested the reaction proceeds via a single transition state. After including the enzyme environment in ab initio QM/MM studies, it was found to proceed via an E1cB-like pathway, in which the carbanion intermediate is stabilized by an enzyme oxyanion hole provided by Lys104 and Tyr158 of SpvC.

Project 2 - Human Enzyme CDK2

Phosphorylation reactions catalyzed by kinases and phosphatases play an indispensable role in cellular signaling, and their malfunctioning is implicated in many diseases. Ab initio quantum mechanical/molecular mechanical studies are reported for the phosphoryl transfer reaction catalyzed by a cyclin-dependent kinase, CDK2. Our results suggest that an active-site Asp residue, rather than ATP as previously proposed, serves as the general base to activate the Ser nucleophile. The corresponding transition state features a dissociative, metaphosphate-like structure, stabilized by the Mg(II) ion and several hydrogen bonds. The calculated free-energy barrier is consistent with experimental values.

Project 3 - Bacterial Enzyme Anthrax Lethal Factor

In this dissertation, we report a hybrid quantum mechanical and molecular mechanical study of the catalysis of anthrax lethal factor, an important first step in designing inhibitors to help treat this powerful bacterial toxin. The calculations suggest that the zinc peptidase uses the same general base-general acid mechanism as in thermolysin and carboxypeptidase A, in which a zinc-bound water is activated by Glu687 to nucleophilically attack the scissile carbonyl carbon in the substrate. The catalysis is aided by an oxyanion hole formed by the zinc ion and the side chain of Tyr728, which provide stabilization for the fractionally charged carbonyl oxygen.

Project 4 - Methanol Steam Reforming on PdZn alloy

Recent experiments suggested that PdZn alloy on ZnO support is a very active and selective catalyst for methanol steam reforming (MSR). Plane-wave density functional theory calculations were carried out on the initial steps of MSR on both PdZn and ZnO surfaces. Our calculations indicate that the dissociation of both methanol and water is highly activated on flat surfaces of PdZn such as (111) and (100), while the dissociation barriers can be lowered significantly by surface defects, represented here by the (221), (110), and (321) faces of PdZn. The corresponding processes on the polar Zn-terminated ZnO(0001) surfaces are found to have low or null barriers. Implications of these results for both MSR and low temperature mechanisms are discussed.

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Masum, Shakil Al. "Modelling of reactive gas transport in unsaturated soil : a coupled thermo-hydro-chemical-mechanical approach." Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/38159/.

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This thesis presents the development of a reactive gas transport equation under coupled framework of thermal, hydraulic, chemical and mechanical (THCM) behaviour of variably saturated soil. The capabilities of theoretical and numerical modelling of THCM processes have been advanced by the successful implementation of various aspects of the new addition. The previously developed THCM model at the Geoenvironmental Research Centre (GRC) has been extended to include the multicomponent gas transport modelling coupled with chemical/geochemical processes. The mechanisms of advection and diffusion have been considered to define the transport of multicomponent gas and chemicals in respective phases as well as exchange via dissolution and exsolution. The governing mass transfer process is subjected to homogeneous and heterogeneous geochemical reactions under equilibrium condition. Numerical solutions of the governing flow and deformation equations have been achieved by employing finite element method for spatial discretisation and finite difference method for temporal discretisation. Advanced geochemical features of gas-chemical interactions have been incorporated in the transport model, COMPASS by coupling with the geochemical model PHREEQC. A sequential non-iterative approach has been adopted to couple the transport processes and geochemical interactions. Verification of various aspects of the developed gas transfer equation has been commenced via a number of simulation exercises. Good agreement between the results have been achieved which suggests accurate and successful implementation of the theoretical and numerical formulation. The model has been implemented to investigate the gas transport processes in variably saturated compacted clay buffers via a number of conceptual simulation scenarios which are representative of high level nuclear waste disposal. Simulation of gas migration through saturated buffer has been intended to investigate the maximum pressure development as well as the dominant flow mechanisms. Demonstration of the modelling capability in context of reactive gas transport has been carried out considering long term isothermal flow of hydrogen through unsaturated clay buffer. The conclusions drawn from the discussions of simulation results has favoured the understanding of some of the key issues associated with gas generation and migration in compacted porous media, particularly, as a case of high level nuclear waste disposal.
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Hindley, Sarah. "Atomic layer deposition and metal organic chemical vapour deposition of materials for photovoltaic applications." Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/16313/.

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In this thesis, the development of thin films and nanostructures prepared with chemical vapour techniques are investigated for applications in photovoltaics. The deposition of both p-type and n-type oxides are investigated as a means of preparing all oxide p-n junctions. Both CVD and ALD precursors and processes have been developed. Zinc oxide nanowires are of interest as an n-type absorber layer with high surface area. In this thesis, the crystal structures of DEZn and DMZn were revisited and a new understanding of conventional zinc CVD precursors is presented. For DEZn a single structure was isolated and characterised with single crystal XRD. In the case of DMZn two temperature dependant structures were identified: namely α and β at 200K and 150K respectively. The DMZn precursor was subsequently exploited in a series of adduct-based precursors of the notation [DMZn.L] (where L = 1,2-dimethoxyethane, 1,4-dioxane and 1,4-thioxane). The crystal structures of these precursors were determined, and they were subsequently used to grow ZnO and sulphur doped ZnO across a range of CVD growth conditions. The microstructure and electronic properties of the nanowires have been characterised with electron microscopy, x-ray diffraction, Raman spectroscopy and photoluminescence. The II:VI ratio and substrate temperatures were both confirmed as playing a significant role in determining the microstructure of the nanowires. It has been demonstrated that the use of [DMZn.L] can avoid the pre-reaction between DMZn and oxygen. The studies with the thioxane adduct suggests the involvement of the ligand and hence sulphur incorporation in the nanowires. Two copper precursors were selected as the basis of p-type copper oxide film studies. The first Cu(hfac)(COD) has been used previously to deposit copper oxide by conventional CVD. In this thesis it is demonstrated for the first time that a pulsed LI-ALD approach can be exploited to deposit CuO with ozone as the co-reagent. An unexpected outcome of the research was the successful growth of electrically conductive copper metal films with a sheet resistance of 0.83Ω/□ when the precursor was thermally decomposed. The second copper precursor, namely CpCu(tBuNC) was used in atomic layer deposition to successfully deposit CuO or Cu2O with oxygen plasma and water respectively. Having identified that the β-diketonate compound yielded copper, the cyclopentadienyl based precursor was investigated as a route for the deposition of conductive copper metal films. Both thermal decomposition and a hydrogen plasma ALD process have been shown to deposit copper. With the plasma process, deposition of copper was demonstrated as low as 75˚C with a sheet resistance of only 0.55Ω/□. This thesis has demonstrated novel deposition routes for p- and n-type oxide materials which have potential future applications in thin film or nanostructured photovoltaic technology.
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Tang, Yiping. "A study of fluid behavior by a general analytical solution of the Ornstein-Zernike equation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq26141.pdf.

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Parrilla, Gutierrez Juan Manuel. "Investigating automated chemical evolution of oil-in-water droplets." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7744/.

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One of the main unresolved questions in science is how non-living matter became alive in a process known as abiognesis, which aims to explain how from a primordial soup scenario containing simple molecules, by following a ``bottom up'' approach, complex biomolecules emerged forming the first living system, known as a protocell. A protocell is defined by the interplay of three sub-systems which are considered requirements for life: information molecules, metabolism, and compartmentalization. This thesis investigates the role of compartmentalization during the emergence of life, and how simple membrane aggregates could evolve into entities that were able to develop ``life-like'' behaviours, and in particular how such evolution could happen without the presence of information molecules. Our ultimate objective is to create an autonomous evolvable system, and in order tp do so we will try to engineer life following a ``top-down'' approach, where an initial platform capable of evolving chemistry will be constructed, but the chemistry being dependent on the robotic adjunct, and how then this platform can be de-constructed in iterative operations until it is fully disconnected from the evolvable system, the system then being inherently autonomous. The first project of this thesis describes how the initial platform was designed and built. The platform was based on the model of a standard liquid handling robot, with the main difference with respect to other similar robots being that we used a 3D-printer in order to prototype the robot and build its main equipment, like a liquid dispensing system, tool movement mechanism, and washing procedures. The robot was able to mix different components and create populations of droplets in a Petri dish filled with aqueous phase. The Petri dish was then observed by a camera, which analysed the behaviours described by the droplets and fed this information back to the robot. Using this loop, the robot was then able to implement an evolutionary algorithm, where populations of droplets were evolved towards defined life-like behaviours. The second project of this thesis aimed to remove as many mechanical parts as possible from the robot while keeping the evolvable chemistry intact. In order to do so, we encapsulated the functionalities of the previous liquid handling robot into a single monolithic 3D-printed device. This device was able to mix different components, generate populations of droplets in an aqueous phase, and was also equipped with a camera in order to analyse the experiments. Moreover, because the full fabrication process of the devices happened in a 3D-printer, we were also able to alter its experimental arena by adding different obstacles where to evolve the droplets, enabling us to study how environmental changes can shape evolution. By doing so, we were able to embody evolutionary characteristics into our device, removing constraints from the physical platform, and taking one step forward to a possible autonomous evolvable system.
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Chippendale, Richard. "Modelling of the thermal chemical damage caused to carbon fibre composites." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/361708/.

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Previous investigations relating to lightning strike damage of Carbon Fibre Composites (CFC), have assumed that the energy input from a lightning strike is caused by the resistive (Joule) heating due to the current injection and the thermal heat ux from the plasma channel. Inherent within this statement, is the assumption that CFCs can be regarded as a perfect resistor. The validity of such an assumption has been experimentally investigated within this thesis. This experimental study has concluded that a typical quasi-isotropic CFC panel can be treated as a perfect resistor up to a frequency of at least 10kHz. By considering the frequency components within a lightning strike current impulse, it is evident that the current impulse leads predominately to Joule heating. This thesis has experimentally investigated the damage caused to samples of CFC, due to the different current impulse components, which make up a lightning strike. The results from this experiment have shown that the observed damage on the surface is different for each of the different types of current impulse. Furthermore, the damage caused to each sample indicates that, despite masking only the area of interest, the wandering arc on the surface stills plays an important role in distributing the energy input into the CFC and hence the observed damage. Regardless of the different surface damage caused by the different current impulses, the resultant damage from each component current impulse shows polymer degradation with fracturing and lifting up of the carbon fibres. This thesis has then attempted to numerically investigate the physical processes which lead to this lightning strike damage. Within the current state of the art knowledge there is no proposed method to numerically represent the lightning strike arc attachment and the subsequent arc wandering. Therefore, as arc wandering plays an important role in causing the observed damage, it is not possible to numerically model the lightning strike damage. An analogous damage mechanism is therefore needed so the lighting strike damage processes can be numerically investigated. This thesis has demonstrated that damage caused by laser ablation, represents a similar set of physical processes, to those which cause the lightning strike current impulse damage, albeit without any additional electrical processes. Within the numerical model, the CFC is numerically represented through a homogenisation approach and so the relevance and accuracy of a series of analytical methods for predicting the bulk thermal and electrical conductivity for use with CFCs have been investigated. This study has shown that the electrical conductivity is dominated by the percolation effects due to the fibre to fibre contacts. Due to the more comparable thermal conductivity between the polymer and the fibres, the bulk thermal conductivity is accurately predicted by an extension of the Eshelby Method. This extension allows the bulk conductivity of a composite system with more than two composite components to be calculated. Having developed a bespoke thermo-chemical degradation model, a series of validation studies have been conducted. First, the homogenisation approach is validated by numerically investigating the electrical conduction through a two layer panel of CFC. These numerical predictions showed initially unexpected current ow patterns. These predictions have been validated through an experimental study, which in turn validates the application of the homogenisation approach. The novelty within the proposed model is the inclusion of the transport of produced gasses through the decomposing material. The thermo-chemical degradation model predicts that the internal gas pressure inside the decomposing material can reach 3 orders of magnitude greater than that of atmospheric pressure. This explains the de-laminations and fibre cracking observed within the laser ablated damage samples. The numerical predictions show that the inclusion of thermal gas transport has minimal impact on the predicted thermal chemical damage. The numerical predictions have further been validated against the previously obtained laser ablation results. The predicted polymer degradation shows reasonable agreement with the experimentally observed ablation damage. This along with the previous discussions has validated the physical processes implemented within the thermo-chemical degradation model to investigate the thermal chemical lightning strike damage.
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Books on the topic "General Chemical Engineering"

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James, Wei, ed. Advances in chemical engineering. San Diego: Academic Press, 1998.

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K, Prabhudesai Rajaram, ed. Chemical engineering license review. 2nd ed. Austin, Tex: Engineering Press, 1999.

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K, Das Dilip. Chemical engineering license review. 3rd ed. Chicago, IL: Kaplan AEC Education, 2005.

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K, Das Dilip. Chemical engineering license review. 2nd ed. Chicago, IL: Kaplan AEC Education, 2004.

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T, Wasan D., Ginn Martin Edmund 1929-, and Shah D. O. 1938-, eds. Surfactants in chemical/process engineering. New York: M. Dekker, 1988.

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Pablo, Juan J. De. Chemical, biological, and materials engineering thermodynamics. Dubuque, IA: McGraw-Hill, 2006.

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Pablo, Juan J. De. Chemical, biological, and materials engineering thermodynamics. Dubuque, IA: McGraw-Hill, 2006.

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Ash, Michael. The thesaurus of chemical products. New York, NY: Chemical Pub. Co., 1986.

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Irene, Ash, ed. The thesaurus of chemical products. 2nd ed. London: Edward Arnold, 1992.

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1972-, Chauhan B., ed. Engineering chemistry. Hingham, Mass: Infinity Science Press, 2007.

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Book chapters on the topic "General Chemical Engineering"

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Papasidero, Davide, Sauro Pierucci, Flavio Manenti, and Laura Piazza. "8 A General Model for Food Cooking Undergoing Phase Changes." In Green Chemistry and Chemical Engineering, 249–74. 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487–2742: CRC Press, 2017. http://dx.doi.org/10.1201/9781315153209-9.

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Lafitte, Thomas, Vasileios Papaioannou, Simon Dufal, and Constantinos C. Pantelides. "A GENERAL FRAMEWORK FOR SOLID-LIQUID EQUILIBRIA IN PHARMACEUTICAL SYSTEMS." In Chemical Engineering in the Pharmaceutical Industry, 439–66. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2019. http://dx.doi.org/10.1002/9781119600800.ch19.

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Abidin, Ahmad Noor Syukri Zainal, Arief Hakimi Azmi, Khairil Anwar Abu Kassim, Ahmad Shahir Jamaludin, and Mohd Nizar Mhd Razali. "A Review on Automotive Tires Significant Characteristic Identification for General Consumers." In Proceedings of the 2nd Energy Security and Chemical Engineering Congress, 375–85. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4425-3_33.

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BACKHURST, J. R., J. H. HARKER, and J. F. RICHARDSON. "Reactor Design — General Principles." In Chemical Engineering, 237–61. Elsevier, 2002. http://dx.doi.org/10.1016/b978-0-08-049063-2.50027-2.

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"Reactor Design—General Principles." In Chemical Engineering, 1–70. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-08-057154-6.50009-2.

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Towler, Gavin, and Ray Sinnott. "General Site Considerations." In Chemical Engineering Design, 505–24. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-08-096659-5.00011-0.

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Sinnott, Ray, and Gavin Towler. "General Site Considerations." In Chemical Engineering Design, 1017–38. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-08-102599-4.00014-x.

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Towler, Gavin, and Ray Sinnott. "General site considerations." In Chemical Engineering Design, 397–411. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-821179-3.00011-x.

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"General Thermodynamic Formulas." In Phase Equilibria in Chemical Engineering, 547–53. Elsevier, 1985. http://dx.doi.org/10.1016/b978-0-409-95162-2.50021-x.

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SINNOTT, R. K. "General Site Considerations." In Coulson and Richardson's Chemical Engineering, 797–813. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-08-041865-0.50022-2.

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Conference papers on the topic "General Chemical Engineering"

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Granja, M., and A. Chang. "Modelling Open Kinematic Chains through General Matrix Movements." In The 2nd World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2016. http://dx.doi.org/10.11159/icmie16.109.

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Chen, Tai-Shang, and Jia-Ming Chern. "Kinetic and Reaction Network Analysis of Phenol Photocatalytic Oxidation by General Rate Equation Method." In 14th Asia Pacific Confederation of Chemical Engineering Congress. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-1445-1_418.

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"Seismicity, Buildings’ Seismic Vulnerability, and People’s Risk Awareness and Preparedness in General Santos City, Philippines." In International Conference on Chemical, Civil and Environmental Engineering. International Institute of Chemical, Biological & Environmental Engineering, 2014. http://dx.doi.org/10.15242/iicbe.c1114037.

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Kehl, Gerhard. "General Design Approach for High Process Stability of Metal Cutting Machinery." In The 5th World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2019. http://dx.doi.org/10.11159/icmie19.106.

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Leao, Celina P., Filomena Soares, Joao Peixoto, Isabel M. Bras Pereira, Margarida Marques Ribeiro, M. Teresa Sena Esteves, Anabela Guedes, et al. "General Satisfaction in Chemical and Biological Engineering Courses: What Matters? : A students’ perception study." In 2018 3rd International Conference of the Portuguese Society for Engineering Education (CISPEE). IEEE, 2018. http://dx.doi.org/10.1109/cispee.2018.8593481.

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6

Barham, Oliver M. "Comparing Nuclear and Chemical Power Sources for MEMS/NEMS Applications." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-68110.

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Abstract Nuclear batteries are a class of power sources that harvest energy from decaying radioactive isotopes to generate electricity for powering sensors and electronics. They are well known in the fields of space exploration and implantable medical devices, but are not widely known to micro or nano-technologists in general. Nuclear batteries are compared against chemical sources of energy applicable to small-scale systems, including energy harvesting prototypes and a mm-scale commercial lithium battery, utilizing the metrics of volumetric power and energy density. Nuclear batteries benefit from orders of magnitude more energy density than power sources derived from chemical reactions, however they also have orders smaller power density. For some sensor applications, nuclear batteries enable capabilities not possible with chemical energy sources, and examples are discussed.
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Nicolas, Ghassan, Fariba Seiyedzadeh Khanshan, Hameed Metghalchi, and Richard H. West. "Reduction Techniques Methods for Simplifying Complex Kinetic Systems: A General Review." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36351.

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The development of kinetic models to describe the time evolution of chemically reacting systems is a fundamental objective of chemical kinetics. Ideally, the most accurate approach to this problem is to include all possible species and reactions of any importance to predict, within the specified uncertainty, a wide variety of experimental data. The complexity of these detailed models grows with an increase in the number of fuel components. When the detailed kinetic model is to be coupled to transport equations, the computational tasks often become formidable due to the intrinsic presence of a wide range of time and length scales, which result in the well-known stiffness problem. Such difficulties have motivated the development of numerous model order reduction techniques during the past three decades. In this paper, the most used reduction techniques for detailed kinetic models are presented and the advantages and disadvantages of each are explained.
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Lazzaretto, Andrea, and George Tsatsaronis. "A General Process-Based Methodology for Exergy Costing." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0300.

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Abstract Various exergy-based methods are suggested in the literature for calculating the average or marginal costs associated with the streams of a thermal system. This paper briefly discusses the differences between the methods and presents simple rules for developing the productive structure of a system and for formulating the auxiliary relations required in exergy-based cost accounting. These relations are written by considering every addition and removal of exergy to and from each stream. The rules are general and applicable to any component of a thermal system. They are also applicable to cases where the total exergy of a material stream is split into physical, chemical, thermal, mechanical, and/or reactive exergy.
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Li, Chunmei, Dan Fen, and Gang Zhou. "How to Improve Enterprise Storage Efficiency-Taking General Scale Chemical Enterprises in the Northwest as an Example." In Advanced Software Engineering & Its Applications 2014. Science & Engineering Research Support soCiety, 2014. http://dx.doi.org/10.14257/astl.2014.74.15.

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Pioro, I., M. Naidin, S. Mokry, Eu Saltanov, W. Peiman, K. King, A. Farah, and H. Thind. "General Layouts of Supercritical-Water NPPs." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29993.

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Currently, there are a number of Generation IV SuperCritical Water-cooled nuclear Reactor (SCWR) concepts under development worldwide. The main objectives for developing and utilizing SCWRs are: 1) Increase gross thermal efficiency of current Nuclear Power Plants (NPPs) from 30–35% to approximately 45–50%, and 2) Decrease capital and operational costs and, in doing so, decrease electrical-energy costs. SuperCritical Water (SCW) NPPs will have much higher operating parameters compared to current NPPs (i.e., steam pressures of about 25 MPa and steam outlet temperatures up to 625°C). Additionally, SCWRs will have a simplified flow circuit in which steam generators, steam dryers, steam separators, etc. will be eliminated. Furthermore, SCWRs operating at higher temperatures can facilitate an economical co-generation of hydrogen through thermo-chemical cycles (particularly, the copper-chlorine cycle) or direct high-temperature electrolysis. To decrease significantly the development costs of an SCW NPP, to increase its reliability, and to achieve similar high thermal efficiencies as the advanced fossil-fired steam cycles, it should be determined whether SCW NPPs can be designed with a steam-cycle arrangement that closely matches that of mature SuperCritical (SC) fossil-fired thermal power plants (including their SC-turbine technology). The state-of-the-art SC-steam cycles at fossil-fired power plants are designed with a single-steam reheat and regenerative feedwater heating. Due to this, they reach thermal steam-cycle efficiencies up to 54% (i.e., net plant efficiencies of up to 43–50% on a Higher Heating Value (HHV) basis). This paper presents several possible general layouts of SCW NPPs, which are based on a regenerative-steam cycle. To increase the thermal efficiency and to match current SC-turbine parameters, the cycle also includes a single steam-reheat stage. Since these options include a nuclear steam-reheat stage, the SCWR is based on a pressure-tube design.
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Reports on the topic "General Chemical Engineering"

1

Baader, Franz, Ralf Küsters, and Ralf Molitor. Rewriting Concepts Using Terminologies - Revisited. Aachen University of Technology, 1999. http://dx.doi.org/10.25368/2022.97.

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Please download the revised version LTCS-00-04 containing revised proofs of the technical results.An abridged version of this report appeared in the Proceedings of the International Conference on Knowledge Representation and Reasoning (KR'2000). The problem of rewriting a concept given a terminology can informally be stated as follows: given a terminology T (i.e., a set of concept definitions) and a concept description C that does not contain concept names defined in T , can this description be rewritten into a 'related better' description E by using (some of) the names defined in T ? In this paper, we first introduce a general framework for the rewriting problem in description logics, and then concentrate on one specific instance of the framework, namely the minimal rewriting problem (where 'better' means shorter, and 'related' means equivalent). We investigate the complexity of the decision problem induced by the minimal rewriting problem for the languages FL0, ALN, ALE, and ALC, and then introduce an algorithm for computing (minimal) rewritings for the languages ALE and ALN. Finally, we sketch other interesting instances of the framework. Our interest for the minimal rewriting problem stems from the fact that algorithms for non-standard inferences, such as computing least common subsumers and matchers, usually produce concept descriptions not containing defined names. Consequently, these descriptions are rather large and hard to read and comprehend. First experiments in a chemical process engineering application show that rewriting can reduce the size of concept descriptions obtained as least common subsumers by almost two orders of magnitude.
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2

Baader, Franz, Ralf Küsters, and Ralf Molitor. Rewriting Concepts Using Terminologies - Revisited. Aachen University of Technology, 1999. http://dx.doi.org/10.25368/2022.97.

Full text
Abstract:
Please download the revised version LTCS-00-04 containing revised proofs of the technical results.An abridged version of this report appeared in the Proceedings of the International Conference on Knowledge Representation and Reasoning (KR'2000). The problem of rewriting a concept given a terminology can informally be stated as follows: given a terminology T (i.e., a set of concept definitions) and a concept description C that does not contain concept names defined in T , can this description be rewritten into a 'related better' description E by using (some of) the names defined in T ? In this paper, we first introduce a general framework for the rewriting problem in description logics, and then concentrate on one specific instance of the framework, namely the minimal rewriting problem (where 'better' means shorter, and 'related' means equivalent). We investigate the complexity of the decision problem induced by the minimal rewriting problem for the languages FL0, ALN, ALE, and ALC, and then introduce an algorithm for computing (minimal) rewritings for the languages ALE and ALN. Finally, we sketch other interesting instances of the framework. Our interest for the minimal rewriting problem stems from the fact that algorithms for non-standard inferences, such as computing least common subsumers and matchers, usually produce concept descriptions not containing defined names. Consequently, these descriptions are rather large and hard to read and comprehend. First experiments in a chemical process engineering application show that rewriting can reduce the size of concept descriptions obtained as least common subsumers by almost two orders of magnitude.
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