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Application of response surface methodology and central composite rotatable design in optimizing the preparation conditions of vinyltriethoxysilane modified silicalite/polydimethylsiloxane hybrid pervaporation membranes
Yi, Shouliang1,2; Su, Yi1; Qi, Benkun1,2; Su, Zhiguo1; Wan, Yinhua1; Wan, YH
2010-02-18
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume71Issue:2Pages:252-262
AbstractResponse surface methodology (RSM) based on a five-level-three-variable central composite rotatable design (CCRD) was employed for optimization of preparation conditions of vinyltriethoxysilane (VTES)modified silicalite/polydimethylsiloxane (PDMS) hybrid pervaporation membranes. The three variables considered were silicalite loading, crosslinker/prepolymer weight ratio and polymer concentration. With a feed containing 5.0 wt% ethanol as a model solution, the main effects, quadratic effects and interactions of the three variables on the selectivity and total flux of hybrid membranes were investigated by the analysis of variance (ANOVA). The results showed that the main effect of silicalite loading was the most significant factor that influenced the hybrid membrane's selectivity, followed by the quadratic effect of silicalite loading, the main effect of crosslinker/prepolymer weight ratio and polymer concentration. The most significant factor that influenced the total flux was the main effect of polymer concentration. Regression equations between the preparation variables and the performance of the hybrid membranes were also established. Predicted values from the regression equations were found to be in good agreement with observed values, indicating that the regression equations could be used to predict and optimize the performance of the VTES modified silicalite/PDMS hybrid membranes. Under the preparation conditions of 66.8% silicalite loading, 0.098 crosslinker/prepolymer weight ratio and 23.7% polymer concentration, the maximum selectivity of 34.3 could be obtained with the feed containing 5.0 wt% ethanol at 323 K. (C) 2009 Elsevier B.V. All rights reserved.
KeywordPervaporation Silicalite Polydimethylsiloxane Response Surface Methodology Central Composite Rotatable Design
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.seppur.2009.12.005
Indexed BySCI
Language英语
WOS KeywordFILLED PDMS MEMBRANES ; SILICALITE MEMBRANE ; WATER MIXTURES ; SEPARATION ; ETHANOL ; ZEOLITE ; OPTIMIZATION ; PERFORMANCE ; RECOVERY ; POLY(1-TRIMETHYLSILYL-1-PROPYNE)
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000277662000018
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6209
Collection生化工程国家重点实验室
Corresponding AuthorWan, YH
Affiliation1.Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yi, Shouliang,Su, Yi,Qi, Benkun,et al. Application of response surface methodology and central composite rotatable design in optimizing the preparation conditions of vinyltriethoxysilane modified silicalite/polydimethylsiloxane hybrid pervaporation membranes[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2010,71(2):252-262.
APA Yi, Shouliang,Su, Yi,Qi, Benkun,Su, Zhiguo,Wan, Yinhua,&Wan, YH.(2010).Application of response surface methodology and central composite rotatable design in optimizing the preparation conditions of vinyltriethoxysilane modified silicalite/polydimethylsiloxane hybrid pervaporation membranes.SEPARATION AND PURIFICATION TECHNOLOGY,71(2),252-262.
MLA Yi, Shouliang,et al."Application of response surface methodology and central composite rotatable design in optimizing the preparation conditions of vinyltriethoxysilane modified silicalite/polydimethylsiloxane hybrid pervaporation membranes".SEPARATION AND PURIFICATION TECHNOLOGY 71.2(2010):252-262.
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