Thematische Bibliographien / Stripping column

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Auswahl der wissenschaftlichen Literatur zum Thema „Stripping column“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Stripping column"

Aujesky, A. „Fully Automated Stripping Column“. IFAC Proceedings Volumes 26, Nr. 2 (Juli 1993): 235–38. http://dx.doi.org/10.1016/s1474-6670(17)48461-8.

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Nur, Muhammad, Edi Munawar und Mariana Mariana. „Recovery Process of Condensate the Ammonia Wastewater Plant of PT.PIM with A Combination of Technology Air Stripping Jet Bubble Colum, Advance Oxidation process and Ion Exchange Resin“. Jurnal Rekayasa Kimia & Lingkungan 12, Nr. 1 (25.05.2017): 8. http://dx.doi.org/10.23955/rkl.v12i1.5503.

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Abstract Study of reducing the content of ammonia, carbon dioxide and organic contaminants in wastewater process condensate using a combination of technologies of water Jet Stripping Bubble Colum, Advance Oxidation Process and Ion Exchange Resin have been done. The aims of this research is to look the effect of hydraulic resident time in Jet Stripping Bubble Colum and the amount of the addition of Ozon/H2O2 to reduction the content of carbon dioxide and organic contaminants as well as ammonia removal with ion exchange resin on the process condensate so that can be reuse as boiler feed water in ammonia plant of PT. PIM. This research was conducted using a combination Air Stripping Jet Bubble Colum, Advance Oxidation Process and Ion Exchange Resin which equipped with water and air flows adjustment. The water flow enter the column, pressure of the Colum and diameter of nozzle was maintained constantnts during experiment, while the air flow rate enter to the column, H2O2/O3 concentrations and the hydraulic retention time was vary respectively. The results showed that the water Jet Stripping Bubble Colum at 50 Psi air pressure capable of achieving CO2 lowers 87.60% and ammonia to 65.31%. AOP technology capable of lowering the content of organic contaminant to 80.71% with the addition of hydrogen peroxide 8,000 ppm with a residence time 180 minutes. While the ammonia remaining in the water the process of condensate action exchange resin using eliminated with a reduction of ammonia reached 98.57%, so that the recovery process of water condensate technology uses a combination of Air Stripping Jet Bubble Colum, Advance Hydrocarbon processes (AOP) and Ion Exchange Resins already meets the requirements of viable reuses boiler feed water. The ammonia reduction was determined by using ASTM-D 1426 method, the carbon dioxide by using ASTM-512 method, and the organic contaminants by using titrimetric method (SII-0071). Keyword : Air Stripping Jet Bubble Colum, Advance Oxidation Process (AOP), Ammonia Removal, Carbon Dioxide Removal.

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Zakharov, Mikhail K., Yuri A. Pisarenko und Oksana I. Sycheva. „COMPARISON OF ENERGY SAVING METHODS FOR DISTILLATION OF LIQUID MIXTURES“. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, Nr. 1 (09.12.2020): 85–92. http://dx.doi.org/10.6060/ivkkt.20216401.6141.

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The analysis and review of the scientific literature on methods and approaches to energy saving in distillation, as one of the most energy-intensive processes for the separation of binary and multicomponent mixtures was carried out. Directions of the scientific literature are highlighted, showing the relevance of the thermodynamic method assessment of separation processes. A comparative analysis of various methods of energy conservation in the separation of liquid binary mixtures by the distillation method is performed (a binary mixture of benzene-toluene was chosen as an example). A conventional distillation column as well as a column with a heat pump and a column with heat integration were considered. As a result of the calculation experiment for each option performed using the Aspen Plus software package the optimal column parameters were determined - the total number of stages and the position of feed stage. The heat consumption in the column boiler was taken as the objective function. It is also shown that with the same characteristics of the columns, the best way to organize the process for separating the selected mixture is to compress the steam stream from rectifying profile of the column with its subsequent use in the boiler of the stripping profile according to the principle of a heat pump. It was established by a calculation experiment that heat integration by compressing steam from rectifying profile of the column and supplying it to the stripping profile gives significantly less energy saving. The calculation of internal energy saving by distillation column was carried out and it was shown that the distributed heat removal from the plates of the rectifying profile of the column and the supply of this heat to the stripping profile plates reduces internal energy saving and leads to an additional increase in heat consumption in the boiler.

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Nisa, Nur Ihda Farikhatin, Ali Altway und Susianto S. „Simulasi Unit Stripping CO2 Dalam Packed Column Skala Industri Dengan Kondisi Non-Isothermal“. Jurnal Rekayasa Kimia & Lingkungan 14, Nr. 1 (21.06.2019): 53–62. http://dx.doi.org/10.23955/rkl.v14i1.13547.

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Emisi karbondioksida ke atmosfer dianggap sebagai penyebab utama perubahan iklim, termasuk pemanasan global dan permasalahan pertanian. Berbagai teknologi pemisahan CO2 banyak dikembangkan. Absorpsi kimia adalah teknologi pemisahan yang paling efektif dan banyak digunakan dalam industri kimia maupun petrokimia. Dimana pelarut yang telah digunakan dapat di regenerasi kembali di kolom stripper. Stripping adalah proses regenerasi termal pelarut dimana larutan tersebut dikontakkan dengan pelarut gas yang tidak larut terhadap cairan tersebut. Penelitian ini bertujuan untuk mengembangkan simulasi unit stripping CO2 dalam packed column skala industri dengan mengestimasi kinerja unit stripping CO2 yang dinyatakan dengan % efisiensi kolom stripping dan komposisi gas yang keluar dari stripper. Simulasi dilakukan secara teoritis dengan mengembangkan model matematis untuk proses stripping CO2 dalam packed column skala industri. Selanjutnya hasil simulasi divalidasi dengan data riil pada salah satu industri pupuk di Indonesia. Variabel-variabel yang digunakan adalah tekanan operasi kolom, temperatur rich solution dan laju steam. Hasil simulasi untuk tekanan stripper 2,56 atm dengan laju rich solution 2943316 kg/jam dan temperatur rich solution 390 K menunjukkan CO2 (% mol) 99,038%, sedangkan data pabrik menunjukkan 97,5862%.

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Barnhart, M. Christopher. „An Improved Gas-Stripping Column for Deoxygenating Water“. Journal of the North American Benthological Society 14, Nr. 2 (Juni 1995): 347–50. http://dx.doi.org/10.2307/1467786.

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Wang, Zhen, Wei Wei Li und Hui Peng Zhao. „Effect of Adding Pump-Around Circuits and Reducing Stripping Steam Flow Rate on the Improving Energy Efficiency and Increasing Processing Capacity of the Atmospheric Column“. Advanced Materials Research 550-553 (Juli 2012): 939–42. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.939.

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This paper discusses the effect of adding pump-around circuits and reducing stripping steam flow rate on the improving energy efficiency and increasing processing capacity of the atmospheric column in a refinery plant by using commercial simulator. It is shown that both the capacity and energy efficiency of the atmospheric column can be increased by adding pump-around circuits and reducing stripping steam flow rate. The modifications discussed in this paper will affect the separation of the atmospheric column in some way. However, the product qualities can still meet the specifications, if the changes of the parameters are not significant. Therefore, the above issues should be considered in the modifications overall.

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Xiao, Jian Ping, und Tong Song. „The Application of Cascade Control Based on DMC in Stripping Section Temperature Control System“. Applied Mechanics and Materials 651-653 (September 2014): 891–94. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.891.

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Predictive control is one of the robust control algorithms that suitable for computerized implementation, and requests lower accuracy of the model. It has been widely used in process control recently. Considering the features of distillation column stripping section, such as complex internal mechanism, time-varying parameters and large time delay, the DMC-PID cascade control strategy is adopted. The simulation results show that this strategy combined the advantages of predictive control and cascade control, can make distillation column stripping section have good dynamic and static characteristic in the presence of external disturbance and time delay. The performances are better than DMC and conventional PID control.

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Deng, Qiaosi, Elsayed Elbeshbishy und Hyung-Sool Lee. „Simultaneous regeneration of exhausted zeolite and nitrogen recovery using an air stripping method at alkaline pH“. Water Quality Research Journal 51, Nr. 4 (20.07.2016): 321–30. http://dx.doi.org/10.2166/wqrjc.2016.007.

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Ammonium nitrogen recovery using natural zeolite from the permeates of anaerobic membrane bioreactors was investigated with batch and continuous experiments. Regeneration of exhausted zeolite was compared between mechanical shaking and air stripping, and experimental results showed the superiority of air stripping over the shaking. Liquid circulation and air flow rates were optimized in a continuous zeolite-packed column with a separate recovery system consisting of a regeneration chamber and a stripping column. The liquid circulation rate had significant effect neither on the regeneration efficiency (RE) nor the ammonia transfer efficiency (ATE), while the ATE significantly increased with increasing air flow rate. The effect of pH on ammonia recovery was also tested and the results showed that both RE and ATE significantly improved at alkaline pH. When pH increased from 9.5 to 12, the RE increased from 9.2% to 84% and the ATE increased from 54% to 92%. The results emphasized that the pH should be higher than 11 for efficient regeneration and recovery of ammonia. The preliminary economic analysis showed the superiority of the alkaline regeneration–air stripping process over the high pH regeneration and the conventional regeneration.

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Kim, Eun Ju, Ho Kim und Eunsil Lee. „Influence of Ammonia Stripping Parameters on the Efficiency and Mass Transfer Rate of Ammonia Removal“. Applied Sciences 11, Nr. 1 (05.01.2021): 441. http://dx.doi.org/10.3390/app11010441.

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This study analyzed the influence of different ammonia stripping parameters on ammonia removal efficiency and mass transfer rate. Ammonia stripping was performed on two devices, a column and a packed tower, with artificial ammonium hydroxide wastewater. First, ammonia concentration and pH were varied in a column without liquid circulation. At the same pH, the removal efficiency and mass transfer rate were constant, irrespective of initial ammonia concentration. When pH was increased, the ammonia fraction also increased, resulting in higher removal efficiency and mass transfer rate. Second, the effects of stripping were assessed using a packed tower with fluid circulation. The ammonium hydroxide concentration did not affect the removal efficiency or mass transfer rate. Furthermore, at apparatus liquid-gas ratios of 26.8–107.2 L/m3, a lower liquid-gas ratio led to increased ammonia removal efficiency and mass transfer rate. Conversely, the lower the liquid-gas ratio, the greater the air consumption. In conclusion, considering the removal rate and volume of air supply, the range of optimal liquid-gas ratio was determined as 26.8–53.6 L/m3. In particular, the 26.8 L/m3 condition achieved the best ammonia removal rate of 63.0% through only 6 h of stripping at 70 °C and pH 8.5.

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Dissertationen zum Thema "Stripping column"

Florian, Tibor. „Návrhový výpočet experimentální stripovací jednotky“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443151.

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The aim of this diploma thesis is to design a stripping column according to given requirements. At the beginning, the contaminant is described, in this case ammonia. Next section is putting emphasis on stripping columns, the principle, possible construction options etc. The main part of this thesis is focused on the design itself, including calculation of various parameters as well as simplified construction possibility. Drawing documentation is included in the attachment.

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Bonariol, Francesco. „Sizing of a packed stripping tower for seawater injection process and H2S abatement on an FPSO“. Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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The purpose of this working thesis is to study and analyze in depth the sea water injection unit found upon an FPSO. In particular, attention is focused on the vacuum deaeration column used for the degasification of the seawater stream in two stages: the first, with a lower vacuum degree and the second with a higher vacuum degree. Moreover, this thesis studies the mass transfer operation, carrying out a profound dissertation of the mass transport phenomena, introducing the mass transfer equations and coefficients. This study has been developed because it is desired to size another stripping column inside a new process, which takes greater advantage of the mass transfer to remove oxygen from seawater. In the end, since there are chemical processes which produce H2S, this flue gas can’t be sent to the atmosphere so they are demolished and burnt inside an incinerator where SO2 is produced and then treated in a plant to arrive at pure S. The idea is to put in contact seawater and H2S in order to produce sulphate which are then treated in a specific plant for the abatement of sulphates. This would be an enormous economic advantage and it would simplify the process significantly.

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Staudinger, Jeff. „Evaluation of mass transfer correlations for packed column air stripping of volatile organic contaminants from water supplies“. Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101153.

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The application of packed column air stripping systems to the removal of volatile organic contaminants (VOCs) from drinking water sources was investigated. The crucial element for the design of such systems exists in obtaining accurate predictions of mass transfer rates. The first phase of this study evaluated three semi-empirical correlations available for predicting packed column mass transfer rates. From this initial screening, the Onda model was selected for further investigation. A test data base was established from water treatment pilot study results reported in the literature. Ten separate studies were selected for evaluation, encompassing approximately 450 data points. Eleven different VOCs were encountered in these investigations, and the basic packing types tested included rings, saddles, Tri-Packs, and Tellerettes. Comparison of measured mass transfer rates with the corresponding rates predicted by the Onda correlation yielded a relative standard deviation of 17%. A ± 30% accuracy value was therefore assigned to the model based on 90% confidence limits. This assessment agrees with the observed accuracy of the correlation for the chemical engineering-based system results utilized in the model's original derivation. From the overall evaluation, no severe deficiencies and/or limitations with the Onda correlation were noted. In particular, gas-phase resistance predictions appeared reasonably accurate. However, further investigative studies involving observed column performance with larger packing materials (≥2 inches in nominal size) is encouraged to verify the accuracy of the correlation for such situations. Within the context of the evaluation procedure, several related areas were investigated. First, Henry's constant temperature relations reported in the literature were established within approximately 20% for common VOCs at low concentration levels. Secondly, the transfer unit performance model for calculating observed mass transfer rates was found sensitive to experimental measurement errors below a stripping factor of 1.5. Therefore, measured results obtained under such operating conditions must be viewed with appropriate caution. Finally, economic design boundaries for column operational parameters were established based upon optimization study results reported in the literature.
M.S.

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Motyka, Ondřej. „Vybrané projekční práce na procesu stripování kyselých vod“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443223.

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The diploma thesis is focused on selected designing works related to the design of a specific process of acid water stripping. The main purpose of the work is to describe the procedure and the obtained results for these performed design work based on the relevant assignment and the process requirements. In the introductory two chapters, the work focuses on process introduction and description of main process equipment. The following chapters are devoted to the description of the designing works, specifically simulation of the process in CHEMCAD, design calculation of the spiral plate heat exchanger for feed preheating, creation of 3D model and drawing documentation using AutoCAD Plant 3D and lastly strength analysis of the selected pipeline. The main outputs of this work are mainly generated result reports from the process and equipment simulation and strength analysis of the solved pipeline route, 3D model of the process and selected technical and drawing documentation. At the end of the diploma thesis, the performed activities and their outputs are summarized and evaluated.

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Monteiro, Sofia da Silva Santos Rebocho. „Air Stripping Process for Organic Solvent Removal Pharmaceutical Process Unit Development“. Master's thesis, 2018. http://hdl.handle.net/10362/38338.

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Oncological protein-drug complex is being developed in TEVA, Haarlem, as well as the encompassing manufacture process engineering buildup. Due to poor solubility of the studied active pharmaceutical ingredient, organic solvent is used during compounding stage and needs to be sub sequentially removed. Its long removal duration impacts key process parameters such as nano-suspension stability and formation of undesired crystals. The overall purpose of this study was to determine the feasibility of implementing an air stripping process unit in the existing line of production which would be a breakthrough in the current process by accelerating the solvent removal. The column was tested in pilot plant scale in order to collect and analyze experimental data to determine column’s operational parameters and hydrodynamic properties as well as its efficiency and overall process time reduction by air stripping unit introduction. Presence of protein and nano-particles was proved to have delaying effect on solvent mass transfer rate due to increased interface resistance and diffusional limitation due to nano-suspension heterogeneous model. The introduction of the column experimentally showed significant improvement in terms of overall evaporation reduction time; from 30 to about 5 hours, depending on the operating parameters and the set-up. The column was additionally designed to fit the model and could reach a theoretical value of 2 hours of stripping for a 500L solution at a maximum of 4 L/min and 30°C to avoid foam and protein denaturation respectively. The air stripping process did not de-stabilize the nano-suspension, showing constant particle size and polydispersity index. The optimistic collected results validate the advantages of air stripping column implementation in the complex drug manufacture and suggest future work and research with column can be sustained.

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Chang, Wen-Teng, und 張文騰. „Design and Control of a Complete Azeotrople Distillation System Incorporating Stripping Columns for Isopropyl Alcohol Dehydration“. Thesis, 2013. http://ndltd.ncl.edu.tw/handle/43862049874261898883.

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博士
東海大學
化學工程與材料工程學系
101
Because the reflux ratio used either in the pre-concentration column or the recovery column of the three-column heterogeneous distillation sequence for IPA dehydration system is quite small demonstrated by Arifin and Chien (2007), these two conventional distillation columns are both replaced by a stripping column in this study and a new separation scheme called Scheme 3 is thereby developed. The economic analysis of the proposed system shows it is more energy efficient and lower capital costs as compared to the two and three-column sequences afore-mentioned. Further, in developing a plant-wide control structure, a tray temperature control loop is implemented in each of the three columns which regulates reboiler duty in order to maintain the bottom product compositions for Scheme 3, and ratio control of the organic reflux flow to the feed flow rate of the azeotropic column is used to reject feed rate disturbance. Closed-loop responses to ±20% changes in fresh feed rate and feed H2O composition show that the proposed strategy has good control performance. This proposed scheme can be achieved three goals that are more energy saving, less total annual cost, and process easily controlled.

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Bücher zum Thema "Stripping column"

Wallman, Harold. Design scale-up suitability for air-stripping columns. Cincinnati, OH: U.S Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Wallman, Harold. Design scale-up suitability for air-stripping columns. Cincinnati, OH: U.S Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Wallman, Harold. Design scale-up suitability for air-stripping columns. Cincinnati, OH: U.S Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Wallman, Harold. Design scale-up suitability for air-stripping columns. Cincinnati, OH: U.S Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Wallman, Harold. Design scale-up suitability for air-stripping columns. Cincinnati, OH: U.S Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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United States. Environmental Protection Agency. Office of Ground Water and Drinking Water., Hrsg. Packed column air stripping. Washington, DC: U.S. Environmental Protection Agency, Office of Water, Office of Ground Water & Drinking Water, 1994.

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Buchteile zum Thema "Stripping column"

Nitsche, M., und R. Gbadamosi. „Absorption and Stripping Columns“. In Practical Column Design Guide, 215–94. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51688-2_8.

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Lane, Alan M. „Mathematical Analysis of Absorption/Stripping Columns“. In Separation Process Essentials, 209–26. First edition. | Boca Raton, FL : CRC Press/Taylor & Francis: CRC Press, 2019. http://dx.doi.org/10.1201/b22271-16.

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Lane, Alan M. „Graphical Design of Absorption/Stripping Columns“. In Separation Process Essentials, 227–46. First edition. | Boca Raton, FL : CRC Press/Taylor & Francis: CRC Press, 2019. http://dx.doi.org/10.1201/b22271-17.

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„Appendix C 1. Design of a Stripping Column“. In Studies in Environmental Science, 401–2. Elsevier, 1993. http://dx.doi.org/10.1016/s0166-1116(08)70535-1.

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Ghasem, Nayef Mohamed, Nihmiya Abdul Rahim und Mohamed Al-Marzouqi. „Carbon Capture From Natural Gas via Polymeric Membranes“. In Advances in Environmental Engineering and Green Technologies, 117–31. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7359-3.ch009.

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Polymeric membrane is a promising energy and an active alternative for conventional CO2 absorption column. The type of absorption liquid and operating parameters plays an efficient role in the ultimate absorption/stripping performance using gas-liquid membrane contactor. The gas flow rate has a significant effect on CO2 absorption performance; by contrast, it has no effect on stripping performance. Further, the CO2 absorption performance in membrane contactor could be enhanced by high liquid flow rates. The gas-liquid contact time was a key factor in enhancing the stripping flux at low temperature while liquid phase boundary layer thickness and associated mass transfer resistance is important at elevated temperature. By controlling the liquid phase velocity and the length of module at low temperature, better stripping performance can be achieved. The effect of liquid temperature on absorption performance in gas-liquid is not straightforward, since the liquid temperature cooperatively influences several factors.

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Ghasem, Nayef Mohamed, Nihmiya Abdul Rahim und Mohamed Al-Marzouqi. „Carbon Capture From Natural Gas via Polymeric Membranes“. In Encyclopedia of Information Science and Technology, Fourth Edition, 3043–55. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-2255-3.ch266.

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Polymeric membrane is a promising energy effective and an active alternative for conventional CO2 absorption column. The type of absorption liquid and operating parameters plays an efficient role in the ultimate absorption/stripping performance using gas-liquid membrane contactor. The gas flow rate has a significant effect on CO2 absorption performance, by contrast, it has no effect on stripping performance. Further the CO2 absorption performance in membrane contactor could be enhanced by high liquid flow rates. Because the gas–liquid contact time was a key factor to enhance the stripping flux at low temperature while liquid phase boundary layer thickness and associated mass transfer resistance is important at elevated temperature. So by controlling the liquid phase velocity and the length of module at low temperature better stripping performance can be achieved. The effect of liquid temperature on absorption performance in gas-liquid is not straightforward, since the liquid temperature cooperatively influence several factors.

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Duroudier, Jean-Paul. „Theoretical Plates in Distillation, Absorption and Stripping – Choice of Type of Column“. In Distillation, 1–35. Elsevier, 2016. http://dx.doi.org/10.1016/b978-1-78548-177-2.50001-8.

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Bae, Seongwoong, Shinhyuk Kim und Jay H. Lee. „CFD-assisted Modeling and Analysis on Residual Monomer Stripping Using Spinning Cone Column“. In 13th International Symposium on Process Systems Engineering (PSE 2018), 1417–22. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-444-64241-7.50231-7.

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Ganne, N., M. Roustan und E. Brodard. „REMOVAL OF CHLORINATED SOLVENTS BY AIR STRIPPING IN A COUNTER CURRENT PACKED COLUMN-MASS TRANSFER CONSIDERATIONS“. In Water Pollution Control in Asia, 571–77. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036884-9.50082-x.

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Suthin, J., und M. Roustan. „CONTRIBUTION TO THE STUDY OF SPRAY COLUMNS: APPLICATION TO THE STRIPPING OF CO2 DISSOLVED IN WATER“. In Water Pollution Control in Asia, 585–91. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036884-9.50084-3.

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Konferenzberichte zum Thema "Stripping column"

Bingqiang Huang, Yong Gu und Hongye Su. „Bayesian dynamic linear model-based modeling method for an aniline stripping column“. In 2015 10th Asian Control Conference (ASCC). IEEE, 2015. http://dx.doi.org/10.1109/ascc.2015.7244412.

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Huicheng Jing und Youliang Yang. „Top temperature of benzole stripping column predictive control based on the neural network“. In 2011 International Conference on Electric Information and Control Engineering (ICEICE). IEEE, 2011. http://dx.doi.org/10.1109/iceice.2011.5777936.

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Musa, Mohibah, Ku Halim Ku Hamid, Miradatul Najwa Muhd Rodhi und Juferi Idris. „Removal of ammoniacal nitrogen ion in old landfill leachate by using biological stripping column“. In 2013 IEEE Business Engineering and Industrial Applications Colloquium (BEIAC). IEEE, 2013. http://dx.doi.org/10.1109/beiac.2013.6560150.

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Ikame, Masaru, Susumu Kan, Katsuhide Hiraoka und Takanao Kumakura. „Performance Analysis of Combustion Engine Systems With a Packed Column CO2 Separator Using Aqueous Monoethanolamine (MEA) Solution“. In ASME 1997 Turbo Asia Conference. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-aa-040.

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Systems analysis is performed for a diesel engine of the 10,000 kW class with CO2 recovery equipment using aqueous monoethanolamine solution on the basis of a CO2 mass transfer calculation model for a packed column. The calculation model is based on the film theory, and gives calculation results in good accuracy, being compared with the experiments on CO2 absorption and on CO2 stripping. The net output power of the engine reduces in order to recover the CO2 in the exhaust gas of the engine, and reduction of the output power depends on the ratio of the gas-to-liquid feed rate ratio of the stripper to that of the absorber. The operating parameters such as the stripping temperature, the highest loading factor, and the MEA concentration of the solution have an influence on the maximum attainable CO2 recovery ratio. The maximum attainable CO2 recovery ratio depends on the allowable level of the output power reduction, and with reduction of 10% of the engine output power, 70% of CO2 in the exhaust gas is recovered.

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Khosla, Sachin, und D. Scott Crocker. „CFD Modeling of the Atomization of Plain Liquid Jets in Cross Flow for Gas Turbine Applications“. In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-54269.

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A numerical model for liquid jet atomization in a subsonic gas cross flow has been developed and incorporated into a CFD code. The model is designed primarily for the shear breakup regime, which is appropriate for many fuel injection applications. The model considers Weber number and momentum flux ratio ranges that are dominated by either jet surface breakup or column breakup. A boundary layer stripping model has been modified to account for both shearing from the column and shear primary breakup of large drops. Further secondary breakup was modeled with the Rayleigh-Taylor model. The effect of drop distortion on the drag is also considered. Results of the model have been compared with experimental data for jet-A liquid jets in air cross flows with varying pressure, air velocity, and liquid-to-gas momentum flux ratio. Comparisons were made for drop volume flux and drop size as a function of distance from the injector wall. Trends were captured for liquid penetration associated with varying momentum flux ratio, and for drop size as a function distance from the wall. In general, agreement between measurements and CFD predictions were quite good. Areas of disagreement could be reasonably explained by the model’s inherent inability to capture the wake flow behind the liquid column.

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Caulfield, Suzanne, und Ryo S. Amano. „Computational Study of the Air/Fuel Mixture in a Small Spark Ignition Engine“. In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34577.

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In an effort to understand the fluid dynamics in the droplet formation process, during the fuel delivery portion of operation of a small spark ignition engine, a computational study of the process was undertaken. A combination of high-speed photography and Computational Fluid Dynamics was used to investigate the droplet formation process. Droplets of liquid are stripped from a column of liquid and entrained in a high velocity, cross-flow air stream. This process is known as aerodynamic stripping. This aerodynamic stripping is the process by which fuel is metered and delivered to a spark ignition engine. The condition of the fuel and air mixtures has an impact on the combustion event in the engine. Therefore, a thorough understanding of the fuel delivery process is desirable. This paper details a comprehensive CFD model that was created to explore the possibility of modeling the droplet breakup process. The mesh density required for this analysis was investigated. The accuracy of the predictions was verified by comparing the CFD results with high-speed film taken of the process. The results show that the process can be modeled accurately, provided the correct size mesh is used, and that the predicted droplets compare well with those seen in the film.

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COELHO, F. A., F. de O. CARVALHO, J. dos S. SILVA, R. de O. FARIAS und J. I. H. TAVARES NETO. „REDES NEURAIS NA MODELAGEM DE UMA COLUNA DE STRIPPING DE CLORO“. In XX Congresso Brasileiro de Engenharia Química. São Paulo: Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/chemeng-cobeq2014-0380-25766-173273.

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Chavez, Rosa-Hilda, Jazmin Cortez-Gonzalez, Javier de J. Guadarrama und Abel Hernandez-Guerrero. „Thermodynamic Analysis of the CO2 Gas Removal Process“. In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43002.

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The present paper describes the thermodynamic analysis of the carbon dioxide (CO2) gas removal process in two separated columns with absorption/stripping sections respectively. This process is characterized as mass transfer enhanced by chemical reaction, in which the presence of an alkanolamine enhances the solubility of an acid gas in the aqueous phase at a constant value of the equilibrium partial pressure. A very useful procedure for analyzing a process is by means of the Second Law of Thermodynamics. Thermodynamic analyses based on the concepts of irreversible entropy increase have frequently been suggested as pointers to sources of inefficiency in chemical processes. Furthermore, they point out where the irreversibilities of the process are located, and provide a generalized discussion from the successful application of the technique.

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Berichte der Organisationen zum Thema "Stripping column"

Georgeton, G. K., T. P. Gaughan und G. A. Taylor. Pilot scale benzene stripping column testing: Review of test data and application to the ITP columns. Office of Scientific and Technical Information (OSTI), September 1993. http://dx.doi.org/10.2172/10131975.

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Youker, A. J., P. Chung, E. Krahn, D. Stepinski, A. Gelis und G. F. Vandegrift. Mo-99 Stripping Results and Column Designs for Mini-Medical Isotope Production System (MIPS). Office of Scientific and Technical Information (OSTI), Oktober 2013. http://dx.doi.org/10.2172/1132240.

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McGlynn, J. F. Evaluating Defoaming Agents for the Stripping Columns at the In-Tank Precipitation Facility. Office of Scientific and Technical Information (OSTI), Juni 1993. http://dx.doi.org/10.2172/289640.

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Georgeton, G. K. Development and application of a mathematical model for the benzene stripping columns in the In-Tank Precipitation (ITP) process. Office of Scientific and Technical Information (OSTI), Dezember 1989. http://dx.doi.org/10.2172/6469208.

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