Academic literature on the topic 'Ethanol Dehydration'

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Journal articles on the topic "Ethanol Dehydration"

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Uyazán, Ana María, Iván Dario Gil, Jaime Aguilar, Gerardo Rodríguez Niño, and Luis A. Caicedo Mesa. "Producing fuel alcohol by extractive distillation: Simulating the process with glycerol." Ingeniería e Investigación 26, no. 1 (2006): 39–48. http://dx.doi.org/10.15446/ing.investig.v26n1.14675.

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Downstream separation processes in biotechnology form part of the stages having most impact on a product's final cost. The tendency throughout the world today is to replace fossil fuels with those having a renewable origin such as ethanol; this, in turn, produces a demand for the same and the need for optimising fermentation, treating vinazas and dehydration processes. The present work approaches the problem of dehydration through simulating azeotropic ethanol extractive distillation using glycerol as separation agent. Simulations were done on an Aspen Plus process simulator (Aspen Tech versio
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Uyazán, Ana María, Iván Dario Gil, J. L. Aguilar, Gerardo Rodríguez Niño, and Luis Alfonso Caicedo. "Ethanol dehydration." Ingeniería e Investigación 24, no. 3 (2004): 49–59. http://dx.doi.org/10.15446/ing.investig.v24n3.14610.

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This review outlines ethanol dehydration processes and their most important characteristics. It also deals with the main operating variables and some criteria used in designing the separation scheme. A differentiation is made between processes involving liquid-steam balance in separation operations and those doing it by screening the difference in molecule size. The last part presents a comparison between the three main industrial processes, stressing their strengths and weaknesses from the operational, energy consumption and industrial services points of view.
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Muhali, Muhali, Hulyadi Hulyadi, and Faizul Bayani. "Evaluating Glycerol's Performance as a Sustainable Dehydrator in Ethanol Purification." Hydrogen: Jurnal Kependidikan Kimia 12, no. 6 (2025): 1529. https://doi.org/10.33394/hjkk.v12i6.14417.

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This research aims to evaluate the effectiveness of glycerol as a dehydrator in the process of purifying ethanol solutions. This study is a quantitative descriptive research aimed at analyzing the effectiveness of glycerol, derived from used cooking oil, as a water dehydrating agent in the ethanol purification process. Data obtained will be quantitative and statistically analyzed to evaluate glycerol's performance as a dehydrator. The research was conducted at the Chemistry Laboratory of Mandalika Education University (UNDIKMA) over a specific period according to the research schedule.Independ
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Tanaka, B., and L. Otten. "Dehydration of aqueous ethanol." Energy in Agriculture 6, no. 1 (1987): 63–76. http://dx.doi.org/10.1016/0167-5826(87)90023-4.

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Bui Tan, Loc, Tu Le Nguyen Quang, and Long Nguyen Quang. "Ethylene production via ethanol dehydration over desilicated ZSM-5 catalyst." Vietnam Journal of Catalysis and Adsorption 10, no. 4 (2021): 79–83. http://dx.doi.org/10.51316/jca.2021.072.

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The catalytic dehydration of ethanol is a potential alternative route to synthesize ethylene apart from the traditional method which depends on fossil fuels. This report successfully prepared modified ZSM-5 with mesopores using desilication methods to enhance ethanol catalytic dehydration performance and ethylene production at lower temperature. The modified zeolite have the external surface area increased by 3.5 times and a higher dehydration efficiency compared with the original sample especially at temperatures below 220°C. Increasing reaction temperatures and gas houly space velocity (GHSV
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Zhang, Minhua, and Yingzhe Yu. "Dehydration of Ethanol to Ethylene." Industrial & Engineering Chemistry Research 52, no. 28 (2013): 9505–14. http://dx.doi.org/10.1021/ie401157c.

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Hutahaean, L. S., W.-H. Shen, and V. Van Brunt. "Heat Integrated Ethanol Dehydration Flowsheets." Separation Science and Technology 30, no. 7-9 (1995): 1867–82. http://dx.doi.org/10.1080/01496399508010381.

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Meirelles, Antonio, Siegfried Weiss, and Herbert Herfurth. "Ethanol dehydration by extractive distillation." Journal of Chemical Technology & Biotechnology 53, no. 2 (2007): 181–88. http://dx.doi.org/10.1002/jctb.280530213.

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Cheng, You Shen, Huang Hsing Pan, Jian Long Syue, and Hsin Chen Chiang. "Effect of Free Water on Polarization and Piezoelectric Coefficients of Cement-Based Piezoelectric Composites during Manufacturing Process." Materials Science Forum 1150 (June 3, 2025): 113–24. https://doi.org/10.4028/p-5qsfns.

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Cement-based piezoelectric composites (PECs) consist of calcium aluminate cement (CAC) and lead zirconate titanate (PZT), each accounting for 50 vol.% that can be used for structural health monitoring (SHM) due to their excellent compatibility with cementitious structures. The presence of free water inside the specimen significantly affects the polarization difficulty and piezoelectricity of PEC. Four treatment methods include vacuum drying, ethanol dehydration, non-heat treatment (untreated), and heat treatment to reduce free water in specimens. Experimental results show that reducing the fre
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Mambetova, Manshuk, Gaukhar Yergaziyevna, and Kusman Dossumov. "Thermoconversion of ethanol on Al2O3 and SiO2 oxides." Chemical Bulletin of Kazakh National University, no. 1 (January 21, 2022): 22–29. http://dx.doi.org/10.15328/cb1227.

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This work is devoted to the study of the catalytic properties of Al2O3 and SiO2 in the process of thermal conversion of ethanol, as well as to the determination of the acid characteristics of these oxides The catalytic properties of oxides in the thermal conversion of ethanol were studied in a flow-through mode at a reaction temperature of 250°C and a space velocity of 0,5 h-1. The acidic characteristics of the Al2O3 and SiO2 oxides were determined by the method temperature-programmed desorption of ammonia (TPD-NH3). It has been established that the process of thermal conversion of ethanol inc
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Dissertations / Theses on the topic "Ethanol Dehydration"

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Yuan, Jie. "Exergy Minimization in Ethanol Dehydration using Hybrid DistillationMembrane Systems." Thesis, University of Ottawa (Canada), 2011. http://hdl.handle.net/10393/28853.

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As a renewable energy source, bioethanol is widely used for blending in gasoline in an attempt to partly alleviate the energy crisis and reduce the greenhouse gas emissions. To produce fuel grade ethanol, the dehydration process of bioethanol is a critical step for the economic viability of the whole process. With a single distillation column it is not possible to overcome the azeotropic point of the ethanol/water mixture. In addition, the distillation process is a very energy intensive and costly process. In this thesis, two major topics concerning the dehydration process of bioethanol are di
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Kanchanalai, Pakkapol. "New dehydration and pretreatment process for ethanol production from biomass." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53559.

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The cost of pretreatment process for saccharification from biomass and the cost of dilute ethanol purification are significant components of the overall cost for fuel grade ethanol production through fermentation or other biological routes. This work focuses on developing optimal designs of dilute ethanol purification process and the new acid hydrolysis technology for the production of fermentable sugars from biomass where the overarching goal is to reduce the cost of ethanol production from biomass. In this thesis, the ethanol separation process with the reverse osmosis membrane pretreatment
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Benson, Tracy John. "Dehydration of an ethanol/water mixture using lignocellulosic based adsorbents." Master's thesis, Mississippi State : Mississippi State University, 2003. http://library.msstate.edu/etd/show.asp?etd=etd-11102003-171312.

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Vathsava, Rajoli Sree. "Retrofitting analysis on first generation ethanol production." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-372.

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First generation bioethanol generated from feedstocks is a sustainable alternative to fossil fuels, and the demand for fuel ethanol has promoted studies on the use of the grain as feedstock. This thesis describes various process designs and the economic feasibility for producing the main product ethanol and other by-products such as Biogas and DDGS (Distillers Dried Grains with Solubles) from the grain. The techno-economic analysis was performed by the data provided by Agroetanol industry, located in Norrköping, Sweden. The key target of this simulation work was to evaluate the influence of se
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Alharbi, W. N. "Dehydration of methanol and ethanol in the gas phase over heteropoly acid catalysts." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3011109/.

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The aim of this thesis is to investigate heterogeneous catalysis for the dehydration of methanol and ethanol at a gas-solid interface over a wide range of solid Brønsted acid catalysts based on Keggin-type heteropoly acids (HPAs), focussing on the formation of dimethyl ether (DME) and diethyl ether (DEE), respectively. The dehydration of methanol to dimethyl ether (DME) was studied over a wide range of bulk and supported HPAs and was compared with the reaction over HZSM-5 zeolites (Si/Al = 10−120). Turnover rates for these catalysts were measured under zero-order reaction conditions. The HPA c
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Shen, Lirui, Songcheng Xu, Kun Wu, and Guoying Li. "Novel method for preparing fish collagen gels with excellent physicochemical properties via the dehydration of ethanol - 122." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34167.

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Content: Fish collagen has been considered to be an alternative for mammalian collagen, however, physicochemical properties of fish collagen-based materials such as gels are so far not adequate for actual application. In the present study, we prepared two types of fish collagen gels with sufficient elasticity: i) dehydrated fibrillogenesis collagen gels (DFCG), which were fabricated via collagen self-assembly followed by immersion in different concentrations of ethanol solutions, and ii) dehydrated cross-linking collagen gels (DCCG), which were fabricated via collagen self-assembly and simulta
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Stinguel, Lucas 1990. "Implementação de um modelo de adsorção no software EMSO para separação da mistura etanol-água." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266041.

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Orientadores: Reginaldo Guirardello, Maria Regina Wolf Maciel<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química<br>Made available in DSpace on 2018-08-26T21:49:21Z (GMT). No. of bitstreams: 1 Stinguel_Lucas_M.pdf: 1977338 bytes, checksum: 117f124dbe6de9464d8e0ea3c2274878 (MD5) Previous issue date: 2015<br>Resumo: Um dos principais problemas na produção de etanol é o elevado custo energético associado a sua separação por causa do excesso de água e a existência de um azeótropo na mistura etanol-água, levando em conta que através da destilação conven
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Fonseca, Natalie Alexandra Amézquita. "Simulação do processo de adsorção psa para separação da mistura etanol-água." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266907.

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Orientador: Rubens Maciel Filho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química<br>Made available in DSpace on 2018-08-18T17:35:35Z (GMT). No. of bitstreams: 1 Fonseca_NatalieAlexandraAmezquita_M.pdf: 1706178 bytes, checksum: 6e4b89c3e1712bb8a16be86c7a7f01bc (MD5) Previous issue date: 2011<br>Resumo: Um dos problemas na produção de etanol é o elevado custo energético associado a sua separação por causa do excesso de água e a existência de um azeótropo na mistura etanol - água, pelo que através da destilação convencional esta mistura só pode ser
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Pietre, Mendelssolm Kister de 1981. "A questão do acesso em zeólitos = os zeólitos lamelares." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250411.

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Orientador: Heloise de Oliveira Pastore<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-21T05:07:04Z (GMT). No. of bitstreams: 1 Pietre_MendelssolmKisterde_D.pdf: 10147011 bytes, checksum: bc8b63b205099dec1b50bf41ce37c4ef (MD5) Previous issue date: 2012<br>Resumo: O presente trabalho descreve a síntese e esfoliação dos precursores lamelares [V,Al]-PREFER e [V,Al]-Nu-6(1), onde os elementos Al e V foram inseridos diretamente na síntese. Difração de raios-X, fisissorção de N2 e Si-MAS-RMN confirmaram o sucesso da esfoliação.
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Dias, Marina Oliveira de Souza. "Simulação do processo de produção de etanol a partir do açucar e do bagaço, visando a integração do processo e a maximização da produção de energia e excedentes do bagaço." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266223.

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Orientadores: Rubens Maciel Filho, Carlos Eduardo Vaz Rossell<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-11T20:59:18Z (GMT). No. of bitstreams: 1 Dias_MarinaOliveiradeSouza_M.pdf: 13614518 bytes, checksum: 8a7fafce0407822a32d8f9833a1d2d86 (MD5) Previous issue date: 2008<br>Resumo: O objetivo desta dissertação é apresentar a descrição e a simulação de processos de produção de etanol a partir do caldo e do bagaço da cana-de-açúcar, visando o levantamento do consumo de energia destes processos. Foram cons
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Book chapters on the topic "Ethanol Dehydration"

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Simo, Marian. "Dehydration of Ethanol using Pressure Swing Adsorption." In Separation and Purification Technologies in Biorefineries. John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118493441.ch19.

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Nguyen, Q. T., A. Maazouz, and J. Néel. "SELECTION OF POLYMER MATERIALS FOR THE DEHYDRATION OF ETHANOL BY PERVAPORATION." In Synthetic Polymeric Membranes, edited by Blahoslav Sedláček and Jaroslav Kahovec. De Gruyter, 1987. http://dx.doi.org/10.1515/9783110867374-049.

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Elyassini, J., Q. T. Nguyen, and J. Néel. "PREPARATION AND STUDY OF POLYVINYL ALCOHOL)-POLY(ETHYLENE GLYCOL) BLEND FILMS IN DEHYDRATION OF ETHANOL BY PERVAPORATION." In Synthetic Polymeric Membranes, edited by Blahoslav Sedláček and Jaroslav Kahovec. De Gruyter, 1987. http://dx.doi.org/10.1515/9783110867374-050.

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"Ethanol Dehydration." In Distillation Design and Control Using Aspen™ Simulation. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118510193.ch17.

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Meireles, I. T., C. Brazinha, I. M. Coelhoso, and J. G. Crespo. "Membranes for ethanol dehydration." In Membrane Technologies for Biorefining. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-08-100451-7.00010-4.

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"Dehydration to Fuel Grade Ethanol." In Handbook of Cellulosic Ethanol. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118878750.ch15.

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"Analysis of Ethanol Recovery and Dehydration." In Biotechnology and Bioprocessing. CRC Press, 2009. http://dx.doi.org/10.1201/9781439815984-c8.

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"8Chapter Analysis of Ethanol Recovery and Dehydration." In Process Synthesis for Fuel Ethanol Production. CRC Press, 2009. http://dx.doi.org/10.1201/9781439815984-12.

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Barbosa da Silva, Nathalia, Patrícia Moreira Azoubel, and Maria Inês Sucupira Maciel. "Effects of Pretreatments with Ethanol and Ultrasound on Convective Drying of BRS Vitória Grapes." In A Comprehensive Review of the Versatile Dehydration Processes [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108925.

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The objective of this study was to evaluate the effect of ethanol and ultrasound as pretreatment to improve the convective drying of the BRS Vitória grape. The drying kinetics, rehydration, quality parameters, and phenolic compounds were evaluated. Before drying, grapes cv. BRS Vitória was ultrasound treated using two separate means, with ethanol (99.5% v/v) and distilled water. After pretreatment, the grapes were dried at 60°C and 0.1 m/s. The Logarithmic model provided a better prediction to describe the drying of grapes. Peleg’s model showed satisfactory adjustments to predict rehydration.
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Szitkai, Z., Z. Lelkes, E. Rev, and Z. Fonyo. "Optimisation of distillation and pervaporation system for ethanol dehydration." In Computer Aided Chemical Engineering. Elsevier, 2000. http://dx.doi.org/10.1016/s1570-7946(00)80109-1.

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Conference papers on the topic "Ethanol Dehydration"

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Singh, Sameer, U. K. Yadav, V. P. Singh, Akhilesh Mathur, and Krishna Murari. "Reduction of Bio-Ethanol Dehydration System for Sustainable Energy Exploiting Truncation and Routh Approximation." In 2024 IEEE 4th International Conference on Sustainable Energy and Future Electric Transportation (SEFET). IEEE, 2024. http://dx.doi.org/10.1109/sefet61574.2024.10718272.

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Pinkard, Brian R., Elizabeth G. Rasmussen, John C. Kramlich, Per G. Reinhall, and Igor V. Novosselov. "Supercritical Water Gasification of Ethanol for Fuel Gas Production." In ASME 2019 13th International Conference on Energy Sustainability collocated with the ASME 2019 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/es2019-3950.

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Abstract Supercritical water gasification of dilute ethanol at the industrial scale promises a sustainable route to bio-syngas production for use in combined cycle power plants. Cost-effective bio-syngas production would reduce reliance on fossil fuels for electricity generation and reduce greenhouse gas emissions by utilizing waste biomass resources. Continuous supercritical water gasification offers high reactant conversion at short residence times without an added catalyst. The decomposition of ethanol in supercritical water is studied in a continuous reactor at 560 °C, 25 MPa, residence ti
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DIEUZEIDE, María Laura, Wilmer LICONA BUELVAS, and Fernando Javier MARIÑO. "Ethylene production by gas phase catalytic dehydration of ethanol." In 22nd LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2024): “Sustainable Engineering for a Diverse, Equitable, and Inclusive Future at the Service of Education, Research, and Industry for a Society 5.0.”. Latin American and Caribbean Consortium of Engineering Institutions, 2024. http://dx.doi.org/10.18687/laccei2024.1.1.1557.

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Martinez-Frias, Joel, Salvador M. Aceves, and Daniel L. Flowers. "Improving Ethanol Life Cycle Energy Efficiency by Direct Combustion of Wet Ethanol in HCCI Engines." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79432.

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Homogenous Charge Compression Ignition (HCCI) is a relatively new engine technology with fundamental differences over conventional engines. HCCI engines are intrinsically fuel flexible, and can run on low grade fuels, as long as the fuel can be evaporated and heated to the point of ignition. In particular, HCCI engines can run on wet ethanol with high concentration of water. Considering that much of the energy required for processing the ethanol is spent in distillation and dehydration, direct use of wet ethanol in an HCCI engine considerably shifts the energy balance in favor of ethanol. The
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Klinov, Alexander V., Ilsiya M. Davletbaeva, Alexander V. Malygin, Alina R. Khairullina, and Sergey E. Dulmaev. "Dehydration of alcohols by extractive rectification using boric acid aminoesters." In INTERNATIONAL SCIENTIFIC-TECHNICAL SYMPOSIUM (ISTS) «IMPROVING ENERGY AND RESOURCE-EFFICIENT AND ENVIRONMENTAL SAFETY OF PROCESSES AND DEVICES IN CHEMICAL AND RELATED INDUSTRIES». The Kosygin State University of Russia, 2021. http://dx.doi.org/10.37816/eeste-2021-1-49-53.

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Aminoethers of boric acid (AEBA) were studied as extractants for the separation of aqueous–alcoholic azeotropic mixtures by extractive distillation. The conditions of vapor–liquid equilibrium in aqueous solutions of ethanol in the presence of AEBA were studied. The division of AEBA molecules into group components was proposed, and previously unknown geometric parameters of the boron group and the energetic pair parameters of the boron group were determined within the framework of the UNIFAC model. The modeling of the extractive rectification process of an ethanol–water mixture with AEBA as ext
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"Ethylene Production from Ethanol Dehydration over Zeolite Y under Mild Conditions." In March 2017 Singapore International Conferences. EAP, 2017. http://dx.doi.org/10.17758/eap.u0317206.

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Muna, Izza A., Firman Kurniawansyah, Mahfud Mahfud та Achmad Roesyadi. "Synthesis and characterization of Cr-Co/γ-alumina catalyst for ethanol dehydration". У 4TH INTERNATIONAL SEMINAR ON CHEMISTRY. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0052730.

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Aziz, Azharin Shah Abd, Suhaila Abdullah, Abdul Hadi Abdullah, Amri Hj Mohammed, and Ismi Safia Adila Ibrahim. "Azeotrope ethanol-water mixture dehydration using water adsorbent synthesized from spent bleaching clay." In 3RD INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0062244.

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Canales, Emmanuel, Juan Manuel Restrepo-Florez, Javier Chavarrio-Canas, et al. "Production of bio-diesel blend stocks via acid-catalyzed dehydration of ethanol oligomerization products." In The 28th North American Catalysis Society Meeting. Providence, Rhode Island. June 18 - 23. US DOE, 2023. http://dx.doi.org/10.2172/2294042.

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Anderson, Edwin, Jason Cyr, Dan Cordon, and Steve Beyerlein. "Homogeneous Charge Catalytic Ignition of Water-Ethanol Blends in a CFR Engine." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12177.

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The burning of water ethanol blends has the potential to reduce NOx, CO, and HC emissions while reducing the ethanol fermentation production cost of distillation and dehydration by utilization of these blends. The torch style ignition produced by the catalytic igniter allows for the operation and cold start of an SI engine on ethanol/water fuels up to a 50/50 blend. This paper describes the operating characteristics of a catalytic igniter in a modified Co-operative Fuels Research (CFR) engine. Performance data was evaluated using a high speed in-cylinder combustion pressure analyzer. Emission
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Reports on the topic "Ethanol Dehydration"

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose. Chulalongkorn University, 2017. https://doi.org/10.58837/chula.res.2017.66.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo
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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose (Year 2). Faculty of Engineering, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.82.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo
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