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Gas Separation & Purification最新文献

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Butterworth-Heinemann Guidelines for Disk Submission Butterworth-Heinemann磁盘提交指南
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)85014-3
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引用次数: 0
Index to volume 8 (1994) 第8卷索引(1994年)
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80008-1
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引用次数: 0
The Linde Clinsulf® process for sulfur recovery: Modelling and simulation Linde Clinsulf®硫回收过程:建模和模拟
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80004-9
Ulrich von Gemmingen, Ulrich Lahne
{"title":"The Linde Clinsulf® process for sulfur recovery: Modelling and simulation","authors":"Ulrich von Gemmingen,&nbsp;Ulrich Lahne","doi":"10.1016/0950-4214(94)80004-9","DOIUrl":"10.1016/0950-4214(94)80004-9","url":null,"abstract":"<div><p>Extending the adsorption simulation model ADLIN® to chemical reactions with catalysts we have designed a favourable modification to the Linde Clinsulf® process which converts H<sub>2</sub>S and COS to sulfur. Using a detailed precooling treatment before switching the hot and cold reactors we were able to reduce the typical lack in conversion to merely 0.5% which guarantees an overall sulfur recovery above 99.7% during the entire cycle time. The model calculations reveal the complex interaction of chemical reaction, adsorption, condensation and heat transfer for designing actual plants.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 4","pages":"Pages 241-246"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80004-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86054141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Predictions of moisture removal efficiencies for packed-bed dehumidification systems 填料床除湿系统的除湿效率预测
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80007-3
Tsair-Wang Chung
{"title":"Predictions of moisture removal efficiencies for packed-bed dehumidification systems","authors":"Tsair-Wang Chung","doi":"10.1016/0950-4214(94)80007-3","DOIUrl":"10.1016/0950-4214(94)80007-3","url":null,"abstract":"<div><p>Liquid desiccant-based dehumidification systems have been widely used to remove water vapour from air in a packed column using different liquid desiccants. The liquid desiccants are usually grouped into two categories: aqueous solutions of inorganic salts and aqueous solutions of organic compounds. In order to design such a desiccant—dehumidification system, correlations of the column performance parameters are necessary. A correlation of column efficiency for different packings and desiccant solutions was developed in this study using lithium chloride (LiCl) as the inorganic salt and triethylene glycol (TEG) as the organic compound. This correlation involves the air and liquid flow rates, air and liquid inlet temperatures, column and packing dimensions, and the equilibrium properties of the desiccant solutions. The correlation was tested for polypropylene Flexi rings, ceramic Berl saddles, glass Raschig rings and polypropylene Pall rings. The average value of the errors between predicted values and experimental data was about 7%.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 4","pages":"Pages 265-268"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80007-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90644456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 94
Multicomponent sorption kinetics of hydrocarbons in activated carbon: Simultaneous desorption and displacement 碳氢化合物在活性炭中的多组分吸附动力学:同时解吸和置换
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80013-8
G.N. Rao, X. Hu, D.D. Do
{"title":"Multicomponent sorption kinetics of hydrocarbons in activated carbon: Simultaneous desorption and displacement","authors":"G.N. Rao,&nbsp;X. Hu,&nbsp;D.D. Do","doi":"10.1016/0950-4214(94)80013-8","DOIUrl":"10.1016/0950-4214(94)80013-8","url":null,"abstract":"<div><p>Binary desorption and displacement kinetics of ethane and propane in Ajax activated carbon are studied in this paper to further understand the multicomponent adsorption of light hydrocarbons onto activated carbon. The experimental data are collected using a differential adsorption bed over a range of temperatures, bulk concentration combinations, particle sizes and shapes. A macropore, surface and micropore diffusion (MSMD) model recently proposed by Hu and Do (<em>Chem Eng Sci</em> (1993) <strong>48</strong> 1317) is used in the analysis of experimental data. This model takes into account the concentration dependency of the surface diffusivity. Both diffusions of free and adsorbed species are allowed for in the theory. The adsorbed species are assumed to diffuse in the particle as well as in the microparticle (grain) coordinates. An imaginary gas-phase concentration concept is used to calculate the local diffusion flux of the adsorbed species inside the microparticle. The local multicomponent adsorption equilibrium at any point within the particle is calculated using the ideal adsorbed solution theory (IAST), with the single-component adsorption equilibrium data described by a Unilan equation.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 2","pages":"Pages 67-76"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80013-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87373392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Reaction kinetics of carbonyl sulfide with aqueous ethylenediamine and diethylenetriamine 羰基硫化物与乙二胺和二乙三胺的反应动力学
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80003-0
E. Alper, W. Bouhamra
{"title":"Reaction kinetics of carbonyl sulfide with aqueous ethylenediamine and diethylenetriamine","authors":"E. Alper,&nbsp;W. Bouhamra","doi":"10.1016/0950-4214(94)80003-0","DOIUrl":"10.1016/0950-4214(94)80003-0","url":null,"abstract":"<div><p>The reaction in aqueous solution between carbonyl sulfide (COS) and the polyamines ethylenediamine and diethylenetriamine has been studied experimentally using a conductimetric stopped-flow technique. The experimental results indicate that this reaction follows a zwitterion intermediate mechanism leading to: <span><span><span><math><mtext>k</mtext><msub><mi></mi><mn>obs</mn></msub><mtext> = </mtext><mtext>[Am]</mtext><mtext>1</mtext><mtext>k</mtext><msub><mi></mi><mn>2</mn></msub><mtext> + </mtext><mtext>1</mtext><mtext>k</mtext><msub><mi></mi><mn>Am</mn></msub><mtext>[Am] + </mtext><mtext>k</mtext><msub><mi></mi><mn>w</mn></msub><mtext>[H</mtext><msub><mi></mi><mn>2</mn></msub><mtext>O]</mtext></math></span></span></span> Values of the rate constants <em>k</em><sub>2</sub>, <em>k</em><sub>Am</sub> and <em>k</em><sub>w</sub> at 298 K are reported for both ethylenediamine and diethylenetriamine. Activation energies for <em>k</em><sub>2</sub>, <em>k</em><sub>Am</sub> and <em>k</em><sub>w</sub> are also reported for diethylenetriamine.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 4","pages":"Pages 237-240"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80003-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86571884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Membrane Science and Technology 膜科学与技术
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)85010-0
R. Hughes
{"title":"Membrane Science and Technology","authors":"R. Hughes","doi":"10.1016/0950-4214(94)85010-0","DOIUrl":"10.1016/0950-4214(94)85010-0","url":null,"abstract":"","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 1","pages":"Page 54"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)85010-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85290819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Equilibrium pressure of CO2 over aqueous alkanolamine solutions: A practical view 乙醇胺水溶液中二氧化碳的平衡压力:一个实用的观点
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80026-X
V.V. Mahajani, S.D. Daptardar
{"title":"Equilibrium pressure of CO2 over aqueous alkanolamine solutions: A practical view","authors":"V.V. Mahajani,&nbsp;S.D. Daptardar","doi":"10.1016/0950-4214(94)80026-X","DOIUrl":"10.1016/0950-4214(94)80026-X","url":null,"abstract":"<div><p>A practical view of the equilibrium partial pressure of CO<sub>2</sub> over aqueous alkanolamine is presented here to facilitate process design. The entire equilibrium is divided into two parts, namely first equilibrium and final equilibrium. The non-ideality of the amine solutions used in industrial practice could be accounted for by using final equilibrium data available or generated. The same factor can be used to predict the equilibrium partial pressure of CO<sub>2</sub> for a real situation using the ‘first equilibrium concept’. The expressions developed are very simple and can be handled easily on a programmable calculator. The method is illustrated with the help of published data.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 3","pages":"Pages 161-166"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80026-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73688737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Ternary adsorption kinetics of gases in activated carbon 气体在活性炭中的三元吸附动力学
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80028-6
Xijun Hu, Bradley King, Duong D. Do
{"title":"Ternary adsorption kinetics of gases in activated carbon","authors":"Xijun Hu,&nbsp;Bradley King,&nbsp;Duong D. Do","doi":"10.1016/0950-4214(94)80028-6","DOIUrl":"10.1016/0950-4214(94)80028-6","url":null,"abstract":"<div><p>Ternary adsorption kinetic experiments of ethane (light species), propane (intermediate species) and n-butane in activated carbon are collected under various concentration combinations, temperatures and particle sizes. The effects of these parameters on the ternary adsorption dynamics are investigated. All the experimental data are compared with the predictions by a multicomponent heterogeneous macropore, surface and micropore diffusion (HMSMD) model recently proposed by Hu and Do (<em>AIChE J</em> (1993) <strong>39</strong> 1628) using only single-component equilibrium and mass transfer parameters. The model can accurately predict the adsorption rates of ethane, propane and n-butane, but a small error in the calculation of the adsorbed amount of propane at ternary equilibrium is observed.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 3","pages":"Pages 175-186"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80028-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74759182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Multicomponent adsorption equilibrium of ethylene, propane, propylene and CO2 on 13X zeolite 13X沸石上乙烯、丙烷、丙烯和CO2的多组分吸附平衡
Gas Separation & Purification Pub Date : 1994-01-01 DOI: 10.1016/0950-4214(94)80005-7
G. Calleja, A. Jimenez, J. Pau, L. Domínguez, P. Pérez
{"title":"Multicomponent adsorption equilibrium of ethylene, propane, propylene and CO2 on 13X zeolite","authors":"G. Calleja,&nbsp;A. Jimenez,&nbsp;J. Pau,&nbsp;L. Domínguez,&nbsp;P. Pérez","doi":"10.1016/0950-4214(94)80005-7","DOIUrl":"10.1016/0950-4214(94)80005-7","url":null,"abstract":"<div><p>Experimental adsorption isotherms of binary, ternary and quaternary mixtures of ethylene, propane, propylene and CO<sub>2</sub> on 13X zeolite have been obtained at 293 K. Experimental data of mixtures were fitted to three theoretical models, the ideal adsorbed solution (IAS), real adsorbed solution (RAS) and spreading pressure dependence (SPD) models to reproduce and predict equilibrium data. With the SPD model, two other temperatures were also studied, 279 and 308 K, in order to calculate the model parameters. The best models for binary and multicomponent mixtures showing the highest deviation from ideality were RAS and SPD, with RAS better than SPD for ternary mixtures.</p></div>","PeriodicalId":12586,"journal":{"name":"Gas Separation & Purification","volume":"8 4","pages":"Pages 247-256"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0950-4214(94)80005-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87311751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 55
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