UGC Approved Journal no 63975(19)

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Published in:

Volume 5 Issue 8
August-2018
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIRD006038


Registration ID:
187040

Page Number

267-275

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Title

Pervaporative Separation of Volatile Organic Compounds from Water: Boundary Layer Resistance Modeling

Abstract

The rapid industrialization over the decades has resulted in environmental pollution. Water resources are more and more contaminated by volatile organic compounds (VOCs) coming from the process industries. Conventional processes like air stripping and adsorption with activated carbon, extraction, biological treatment, distillation are found to be moderately successful in VOC/water separation, mainly when the concentration of the VOC is very low and when the quantity of effluent to be treated is large. Membrane separation processes are now considered as a better substitute to separate trace VOCs from dilute aqueous solutions. A detailed mathematical model based on resistance-in-series model was formulated to evaluate the influence of liquid boundary layer, membrane and vapor phase resistances on overall mass transport for pervaporative separation of VOCs from dilute aqueous solutions. The performance equation for the entire module was derived by simplifying the mass and momentum balance on both the feed and the permeate sides. The obtained set of non-linear ordinary differential equations coupled with the solution–diffusion model was solved numerically for the pervaporative separation of toluene and 1,1,1-trichloroethane from dilute aqueous solutions through shell and tube type hollow fiber module containing poly(dimethylsiloxane) (PDMS) membranes as tubes. From the results it was found that the liquid phase boundary layer plays a significant role in overall mass transport.

Key Words

VOCs, Pervaporation, hydrophobic membrane, resistance-in-series model, influence of boundary layer

Cite This Article

"Pervaporative Separation of Volatile Organic Compounds from Water: Boundary Layer Resistance Modeling", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 8, page no.267-275, August-2018, Available :http://www.jetir.org/papers/JETIRD006038.pdf

ISSN


2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Pervaporative Separation of Volatile Organic Compounds from Water: Boundary Layer Resistance Modeling", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 8, page no. pp267-275, August-2018, Available at : http://www.jetir.org/papers/JETIRD006038.pdf

Publication Details

Published Paper ID: JETIRD006038
Registration ID: 187040
Published In: Volume 5 | Issue 8 | Year August-2018
DOI (Digital Object Identifier):
Page No: 267-275
Country: Chennai, Tamilnadu, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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