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Determination and Modeling of Vapor-Liquid Equilibria for the Sulfuric Acid plus Water plus Butyl Acetate plus Ethanol System
Li, Geng1; Li, Zhibao1; Asselin, Edouard2
2013-03-06
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume52Issue:9Pages:3481-3489
AbstractA novel azeotropic distillation for sulfuric acid recovery, which uses organic solvents as entrainers, is proposed. This new distillation process may provide significant energy savings. Vapor-liquid equilibria (VLE) data were determined by the quasi-static ebulliometric method for the following systems at (30, 60, and 90) kPa: (1) sulfuric acid + water + ethanol; (2) sulfuric acid + water + butyl acetate; and (3) sulfuric acid + water + butyl acetate + ethanol. Through the use of the OLI software, a chemical model was established via regressing the experimental data to obtain the mixed solvent electrolyte (MSE) model parameters. The average absolute deviations of boiling points for all systems are only 1.34 K. The new model with newly obtained parameters was successfully applied to predict the VLE for the sulfuric acid + water + butyl acetate ternary system at constant pressure, providing important VLE information for the recovery of spent sulfuric acid by this new azeotropic distillation technology.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordEXCESS GIBBS ENERGY ; SOLVENT ELECTROLYTE SYSTEMS ; LOCAL COMPOSITION MODEL ; DIFFUSION DIALYSIS ; IONIC LIQUID ; THERMODYNAMICS ; SPECIATION ; EQUATIONS ; MEMBRANES ; RECOVERY
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000315937000040
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13479
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 1Z4, Canada
Recommended Citation
GB/T 7714
Li, Geng,Li, Zhibao,Asselin, Edouard. Determination and Modeling of Vapor-Liquid Equilibria for the Sulfuric Acid plus Water plus Butyl Acetate plus Ethanol System[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2013,52(9):3481-3489.
APA Li, Geng,Li, Zhibao,&Asselin, Edouard.(2013).Determination and Modeling of Vapor-Liquid Equilibria for the Sulfuric Acid plus Water plus Butyl Acetate plus Ethanol System.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,52(9),3481-3489.
MLA Li, Geng,et al."Determination and Modeling of Vapor-Liquid Equilibria for the Sulfuric Acid plus Water plus Butyl Acetate plus Ethanol System".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 52.9(2013):3481-3489.
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