Littérature scientifique sur le sujet « Organic eutectics »
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Articles de revues sur le sujet "Organic eutectics"
Rai, Uma Shanker, Manjeet Singh et Rama Nand Rai. « Crystal growth and some physicochemical studies on an organic intermolecular compound of anthranilic acid and N,N-dimethylamino benzaldehyde ». European Journal of Chemistry 9, no 4 (31 décembre 2018) : 303–10. http://dx.doi.org/10.5155/eurjchem.9.4.303-310.1720.
Texte intégralYoshikawa, Shinichi, Shimpei Watanabe, Yoshinori Yamamoto et Fumitoshi Kaneko. « Binary Phase Behavior of 1,3-Distearoyl-2-oleoyl-sn-glycerol (SOS) and Trilaurin (LLL) ». Molecules 25, no 22 (14 novembre 2020) : 5313. http://dx.doi.org/10.3390/molecules25225313.
Texte intégralAraya-Sibaja, Andrea, José Vega-Baudrit, Teodolito Guillén-Girón, Mirtha Navarro-Hoyos et Silvia Cuffini. « Drug Solubility Enhancement through the Preparation of Multicomponent Organic Materials : Eutectics of Lovastatin with Carboxylic Acids ». Pharmaceutics 11, no 3 (9 mars 2019) : 112. http://dx.doi.org/10.3390/pharmaceutics11030112.
Texte intégralGupta, R. K., S. K. Singh et R. A. Singh. « Some physicochemical studies on organic eutectics ». Journal of Crystal Growth 300, no 2 (mars 2007) : 415–20. http://dx.doi.org/10.1016/j.jcrysgro.2006.12.017.
Texte intégralRai, U. S., et K. D. Mandal. « Some physicochemical studies on organic eutectics and 1:1 addition compound ; p-phenylenediamine – benzoic acid system ». Canadian Journal of Chemistry 67, no 2 (1 février 1989) : 239–44. http://dx.doi.org/10.1139/v89-039.
Texte intégralNahar, Yeasmin, et Stuart C. Thickett. « Greener, Faster, Stronger : The Benefits of Deep Eutectic Solvents in Polymer and Materials Science ». Polymers 13, no 3 (30 janvier 2021) : 447. http://dx.doi.org/10.3390/polym13030447.
Texte intégralPramanik, Titas, Ashish Anand, Janaky Sunil, Anjana Joseph, Chandrabhas Narayana, Somnath Dutta et Tayur N. Guru Row. « Organic eutectics : characterization, microstructural evolution and properties ». Acta Crystallographica Section A Foundations and Advances 77, a2 (14 août 2021) : C121. http://dx.doi.org/10.1107/s0108767321095593.
Texte intégralRai, U. S., et H. Shekhar. « Some physicochemical studies on binary organic eutectics ». Thermochimica Acta 175, no 2 (mars 1991) : 215–27. http://dx.doi.org/10.1016/0040-6031(91)80068-t.
Texte intégralRai, U. S., et Santhi George. « A physicochemical study on organic eutectics and addition compound ; benzidine–pyrogallol system ». Canadian Journal of Chemistry 70, no 12 (1 décembre 1992) : 2869–74. http://dx.doi.org/10.1139/v92-366.
Texte intégralAlhadid, Ahmad, Liudmila Mokrushina et Mirjana Minceva. « Design of Deep Eutectic Systems : A Simple Approach for Preselecting Eutectic Mixture Constituents ». Molecules 25, no 5 (28 février 2020) : 1077. http://dx.doi.org/10.3390/molecules25051077.
Texte intégralThèses sur le sujet "Organic eutectics"
MELI, Alessandro. « DEEP EUTECTIC SOLVENTS E LIQUIDI IONICI : SOLVENTI PER LO SVILUPPO DI PROCESSI ECO-COMPATIBILI ». Doctoral thesis, Università degli Studi di Palermo, 2020. http://hdl.handle.net/10447/395244.
Texte intégralMassolo, E. « NOVEL SYNTHETIC ORGANOCATALYTIC METHODOLOGIES ». Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/330262.
Texte intégralMoufawad, Tarek. « Développement de nouveaux solvants de lavage pour l'absorption des Composés Organiques Volatils ». Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0534.
Texte intégralThe aim of this thesis was to develop new solvents for the absorption of volatile organic compounds (VOC). VOC are primary air pollutants generally used as solvents and emitted directly from industries. They have adverse health effects and some of them are classified as carcinogenic. Consequently, the reduction of the emissions of these pollutants remains a major challenge to reduce air pollution. Hence, our objective was to evaluate deep eutectic solvants (DES) as absorbents for VOCs. DESs represent a new generation of solvents that is formed by simply mixing two or more compounds. They can be produced from cheap, natural and biodegradable compounds. The preparation of these solvents is easy and is 100% atom efficient. This work was divided into three parts.The first part focused on the physicochemical properties of DES, such as density and viscosity. Analysis of the infrared spectra of DES and their pure compounds showed that hydrogen bonds are essential for the formation of DES. Their polarity was studied using the Nile red probe. In addition, solubility of various gases (CO₂, CH₄ and Ar) was measured as a function of temperature. The second part dealt with the evaluation of the aborsption capacity of DESs using static headspace coupled with gas chromatography. The determination of gas/liquid partition coefficient was performed for various VOC and DES at different temperatures. In addition, the influence of VOC mixtures on DES absorption capacities was determined. DES showed high absorption capacities for a variety of VOCs, without saturation even at high concentration. A new DES-cyclodextrin system was developed and showed improved absorption capacities due to the complexation ability of the cyclodextrin. The last part was oriented towards the industrial application of DESs. The absorption capacities of DESs were evaluated using a dynamic set-up which simulated an industrial absorption column. This set-up allows the modulation of the VOC flow rate, water content and column temperature. Finally, the regeneration of the absorbent was carried out by several absorption/desorption cycles without loss of absorption capacity. In conclusion, the overall results showed that DES have characteristics that allow them to be considered as promising solvents for VOC absorption
Kaur, Ramanpreet. « Structure-Function Control in Organic Co-Crystals/Salts Via Studies on Polymorphism, Phase Transitions and Stoichiometric Variants ». Thesis, 2015. http://etd.iisc.ernet.in/2005/3729.
Texte intégralJu, Yi-Jen, et 朱翊禎. « The Application of Deep Eutectic Solvents and Organic Electrolytes for EDLCs and DSSCs ». Thesis, 2011. http://ndltd.ncl.edu.tw/handle/27379851247401249044.
Texte intégralJhang, Pei-Ci, et 張佩琪. « Syntheses and Characterizations of Novel Organic-Inorganic Hybrid Materials from Deep Eutectic Solvents ». Thesis, 2011. http://ndltd.ncl.edu.tw/handle/82659458259458702482.
Texte intégralNkosi, Nkululeko. « Infinite dilution activity coefficient measurements of organic solutes in selected deep eutectic solvents by gas-liquid chromatography ». Thesis, 2018. http://hdl.handle.net/10321/3058.
Texte intégralMany separation processes in the chemical and petrochemical industries are energy intensive, and unfortunately, involve a range of solvents that are environmentally harmful and destructive. Alternative, sustainable separation techniques are desired to replace these conventional methods used in the separation of azeotropic as well as close-boiling mixtures, with the intention of reducing energy costs and adverse impact on the environment. In the present study, a new class of solvents called deep eutectic solvents (DESs) of Type III were investigated as alternatives to conventional solvents currently employed in separation processes. DESs are classified as ‘green’ solvents because of a range of favourable properties including lower cost, desirable solubility properties and reduced environmental impact (Abbott et al., 2003b; Smith et al., 2014). The infinite dilution activity coefficients (IDACs) values of 24 solutes – including alk-1-anes, alk-1-enes, alk-1-ynes, cycloalkanes, alkanols, alkylbenzenes, heterocyclics, esters, and ketones – were measured at 313.15, 323.15, 333.15 and 343.15 K by gas-liquid chromatography (GLC) in DESs. The four investigated DESs were as follows: 1) Tetramethylammonium chloride + Glycerol (DES1); 2) Tetramethylammonium chloride + Ethylene Glycerol (DES2); 3) Tetramethylammonium chloride + 1,6 Hexanediol (DES3); and 4) Tetrapropylammonium bromide + 1,6 Hexanediol (DES4). This work focused on the performance of DESs as extractive solvents for selected azeotropic and close-boiling binary mixtures. The two key performance criteria for these extractive solvents – selectivity and capacity – were determined from experimental infinite dilution activity coefficients (IDACs) of various solutes. The effect of solute molecular structure on IDAC values was investigated. Moreover, the effect of varying the hydrogen bond donors (HBDs) in DESs on IDAC values was examined. Partial excess molar enthalpies at infinite dilution were determined from the experimental IDAC data. Moreover, common industrial separation problems were selected to investigate DES potential to separate various mixtures by determining selectivity and capacity at infinite dilution. The results obtained in this study indicate that the use of a long carbon chain HBDs greatly decreases miscibility of DESs with organic solutes. For systems such as n-heptane - toluene, acetone - ethanol, cyclohexane - benzene and n-hexane - benzene systems, DES4 was the best solvent regarding the separation performance index. However, further investigation for DES4 by measurements of vapour-liquid equilibria (VLE) and liquid-liquid equilibria (LLE) data is suggested, as these data would provide additional pertinent information regarding the separation of such mixtures using DES4. The data produced from this study can be used to extend the applicability range of predictive models such as Universal Quasi- Chemical Functional Group Activity Coefficients (UNIFAC) and modified UNIFAC (Do) which are already incorporated in some chemical engineering process simulators.
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Jaihindh, Dhayanantha Prabu, et Dhayanantha Prabu Jaihindh. « Bismuth Vanadate -Based Visible-Light Driven Photocatalysts with Hierarchical Nanostructures Synthesized through Deep Eutectic Solvents for Organic Pollutant Removal ». Thesis, 2019. http://ndltd.ncl.edu.tw/handle/e7c6dh.
Texte intégral國立東華大學
材料科學與工程學系
107
Photocatalysis is a series of advanced light-induced redox reaction processes resulting in the degradation and mineralization of organic pollutants in the presence of oxygen and water. Due to their capability to destroy contaminants under mild conditions, photocatalytic processes have attracted considerable attention in the field of waste-water treatment. However, photocatalytic reactions using the traditional pure TiO2 photocatalyst suffer from low energy efficiencies under solar irradiation. This low efficiency in the utilization of solar energy lies in its incapability in absorbing visible lights and also the high recombination rate of photo-excited species in photocatalysts. In addition, difficulties in the separation of fluids from micro- or nano-scale catalysts in large scale systems substantially impact cost efficiency in practice. In this thesis, strategies are explored which address these issues in order to improve the feasibility of solar photocatalysis. The preparation photocatalytic transition metal-oxide semiconductor materials are investigated, namely bismuth-based heterogeneous photocatalysts using Deep eutectic solvents (DESs) as green solvents. This research is focused on the design of visible-light-active metal-oxide photocatalysts to increase the absorption of visible light and to decrease the rates of electron-hole recombination, resulting in a high photocatalytic efficiency in regards to the degradation of organic pollutants. In First study deals synthesis of BiOCl/BiVO4 n- p heterojunction photocatalysts was synthesized using DESs reline (Choline chloride: Urea, 1:2) via simple one-pot sol-gel method at room temperature. BiOCl/BiVO4 sheet like structure was characterized and experimentally investigated for the degradation of Methylene blue, rhodamine B under visible light irradiation and also the mechanism was investigated using scavenger experiment. To improve the photocatalytic activity and electron-hole pair recombination time, the silver nanowires combined with BiOCl/BiVO4. Here, we report a one dimensional (1D) AgNWs combined with BiOCl/BiVO4 photocatalysts. The BiOCl/BiVO4@5% Ag NWs photocatalysts exhibited the highest photoactivity, and the degradation efficiency of MB and RhB was 97% and 96% as compared to bare BiVO4 and BiOCl/BiVO4, respectively. The appearance of elemental AgNWs during the photocatalytic reaction would be in favor to enhanced visible light absorption, the facilitated photoinduced electrons transfer, and the enhanced separation of photoinduced electron−hole pairs contributed to the improvement of photocatalytic activities. Also, BiOCl/BiVO4@AgNWs photocatalysts are attributed to the formation of p-n heterojunctions between BiOCl and BiVO4, leading to an effective separation of photo-generated electron hole pair. The significantly enhanced photocatalytic activity should be ascribed to the fabrication of a BiOCl/BiVO4 heterojunction, which can result in an efficient interfacial charge transfer, and it can be proved by Photoluminescence, Linear Sweep Voltammetry and Electrochemical Impedance Spectroscopy. The second study proposed, the preparation of hierarchically nanostructured shuriken like bismuth vanadate (BiVO4) as a bifunctional catalyst for photocatalytic degradation and electrochemical detection of highly toxic hexavalent chromium (Cr(VI)) using the green Deep Eutectic Solvent reline by Solvothermal method, which allows morphology control in one of the less energy-intensive routes. The reline solvents leads the role of a latent supramolecular catalysts where the enhance in reaction rate from solvent driven pre-organization of the reactant is most remarkable. The SEM results showed a good dispersion of BiVO4 catalyst and the HR-TEM revealed an average particle size of ca. 5–10 nm. As a result, the BiVO4 exhibited good photocatalytic activity under UV-light about 95% reduction of Cr(VI) to Cr(III) was observed in 160 min. The recyclability of BiVO4 catalyst exhibited an appreciable reusability and stability of the catalyst towards the photocatalytic reduction of Cr(VI). Also, the BiVO4-modified screen printed carbon electrode (BiVO4/SPCE) displayed an excellent electrochemical performance towards the electrochemical detection of Cr(VI). Besides, the BiVO4/SPCE demonstrated tremendous electrocatalytic activity, lower linear range (0.01–264.5 µM), detection limit (0.0035 µM) and good storage stability towards the detection of Cr(VI). Importantly, the BiVO4 modified electrode was also found to be a good recovery in water samples for practical applications. The shape dependent nanostructured BiVO4 catalyst could also be used an effective electrode material for energy storage and hybrid capacitor in future. Keywords: Deep eutectic solvents, Bismuth based photocatalysts, p-n heterojunction, organic pollutant removal, Cr(VI) removal, electrochemical sensing
Chapitres de livres sur le sujet "Organic eutectics"
Guazzelli, Lorenzo, et Christian Silvio Pomelli. « CHAPTER 12. Ionic Liquids and Deep Eutectic Solvents ». Dans Sustainable Organic Synthesis, 339–61. Cambridge : Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781839164842-00339.
Texte intégralGarcía-Álvarez, Joaquín. « Deep Eutectic Solvents : Environmentally Friendly Media for Metal-Catalyzed Organic Reactions ». Dans ACS Symposium Series, 37–52. Washington, DC : American Chemical Society, 2014. http://dx.doi.org/10.1021/bk-2014-1186.ch003.
Texte intégralAnsu, Alok Kumar, Pooja Singh et Ravi Kumar Sharma. « Development and Testing of Binary Organic Eutectic Mixture for Thermal Energy Storage ». Dans Lecture Notes in Mechanical Engineering, 787–94. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0159-0_69.
Texte intégralYang, Peng, Xiaoping Liang, Guodong Cui et Chen Yang. « Experimental Study on Solubility of Metal Oxides in Novel Deep Eutectic Solvents of Choline Chloride-Organic Acid ». Dans The Minerals, Metals & ; Materials Series, 321–30. Cham : Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-22765-3_29.
Texte intégralRadhakrishnan, Neeshma, et C. B. Sobhan. « Investigations on the Thermophysical Properties of an Organic Eutectic Phase Change Material Dispersed with GNP–AG Hybrid Nanoparticles ». Dans Advances in Heat Transfer and Thermal Engineering, 817–21. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4765-6_138.
Texte intégralBumbaugh, Robin E., et Lisa S. Ott. « Preparing and Testing Novel Deep Eutectic Solvents from Biodiesel Co-Product Glycerol for Use as Green Solvents in Organic Chemistry Teaching Laboratories ». Dans Environmental Research Literacy : Classroom, Laboratory, and Beyond, 113–30. Washington, DC : American Chemical Society, 2020. http://dx.doi.org/10.1021/bk-2020-1351.ch007.
Texte intégral« Pyrrole Synthesis ». Dans Greener Organic Transformations, 125–28. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00125.
Texte intégral« Organometallic Addition Reactions to Ketones ». Dans Greener Organic Transformations, 96–99. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00096.
Texte intégralHandy, Scott. « Deep Eutectic Solvents in Organic Synthesis ». Dans Ionic Liquids - Current State of the Art. InTech, 2015. http://dx.doi.org/10.5772/59254.
Texte intégralNageswar, Yadavalli Venkata Durga, Katla Ramesh et Katla Rakhi. « Chapter 5 Deep eutectic solvent-mediated organic transformations ». Dans Ionic Liquids, Deep Eutectic Solvents, Crown Ethers, Fluorinated Solvents, Glycols and Glycerol, 107–44. De Gruyter, 2023. http://dx.doi.org/10.1515/9783110788129-005.
Texte intégralActes de conférences sur le sujet "Organic eutectics"
Jo, Byeongnam, et Debjyoti Banerjee. « Enhanced Specific Heat Capacity of Molten Salts Using Organic Nanoparticles ». Dans ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64001.
Texte intégralShin, Donghyun, Byeongnam Jo, Hyun-eun Kwak et Debjyoti Banerjee. « Investigation of High Temperature Nanofluids for Solar Thermal Power Conversion and Storage Applications ». Dans 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23296.
Texte intégralHayyan, Adeeb. « Eutectic solvent as co-solvent for oil extraction from plant seeds ». Dans 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/niod6594.
Texte intégralBoldrini, Chiara Liliana, Norberto Manfredi, Filippo Maria Perna, Vito Capriati et Alessandro Abbotto. « Introducing eco-friendly hydrophilic and hydrophobic deep eutectic solvent electrolyte solutions for dye-sensitized solar cells ». Dans 13th Conference on Hybrid and Organic Photovoltaics. València : Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.hopv.2021.055.
Texte intégralBhutani, Garima, Vivek Yadav, Anita Yadav et Arijit K. De. « Impulsive Stimulated Raman Spectroscopy Reveals Synergistic Effects in Binary Mixture of Deep Eutectic Solvents and an Organic Co-solvent ». Dans Laser Science. Washington, D.C. : Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ls.2022.lw6f.4.
Texte intégralVerevkin, S. P. « THERMOCHEMISTRY OF ADVANCED MATERIAL : LIQUID ORGANIC HYDROGEN CARRIERS, IONIC LIQUIDS, AND DEEP EUTECTIC SOLVENTS ». Dans XV Симпозиум с международным участием "Термодинамика и материаловедение". NIIC SB RAS, 2023. http://dx.doi.org/10.26902/therm_2023_108.
Texte intégralNagaraj, Vishal, Saket Karajgikar, Dereje Agonafer et Senol Pekin. « Bump Electromigration and Back End Design Rules ». Dans ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43766.
Texte intégralFasoro, Abiodun A., Praveen Pandojirao-S., Dan O. Popa, Harry E. Stephanou et Dereje A. Agonafer. « Die and Wafer-Level Hermetic Sealing for MEMS Applications ». Dans ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33850.
Texte intégralSubbarayan, Guhan, Robert Kinyanjui, Pei Fang Tsai et Krishnaswami Srihari. « Mechanical Reliability Evaluation of Stripped and Replated Component Termination Finishes ». Dans ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33666.
Texte intégralLee, Jeffrey C. B., Sting Wu, H. L. Chou et Yi-Shao Lai. « Development of Lead-Free Flip Chip Package and Its Reliability ». Dans ASME 2003 International Electronic Packaging Technical Conference and Exhibition. ASMEDC, 2003. http://dx.doi.org/10.1115/ipack2003-35046.
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