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题名:
Determination and Modeling of Vapor-Liquid Equilibria for the Sulfuric Acid plus Water plus Butyl Acetate plus Ethanol System
作者: Li, Geng1; Li, Zhibao1; Asselin, Edouard2
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
出版日期: 2013-03-06
卷号: 52, 期号:9, 页码:3481-3489
收录类别: SCI
WOS记录号: WOS:000315937000040
文章类型: Article
英文摘要: A 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.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
关键词[WOS]: EXCESS GIBBS ENERGY ; SOLVENT ELECTROLYTE SYSTEMS ; LOCAL COMPOSITION MODEL ; DIFFUSION DIALYSIS ; IONIC LIQUID ; THERMODYNAMICS ; SPECIATION ; EQUATIONS ; MEMBRANES ; RECOVERY
语种: 英语
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ipe.ac.cn/handle/122111/13479
Appears in Collections:研究所(批量导入)_期刊论文

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作者单位: 1.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:
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.
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