Immobilization of graphene oxide on the permeate side of a membrane distillation membrane to enhance flux

Worawit Intrchom; Sagar Roy; Madihah Saud Humoud; Somenath Mitra

doi:10.3390/membranes8030063

Immobilization of graphene oxide on the permeate side of a membrane distillation membrane to enhance flux

Worawit Intrchom, Sagar Roy, Madihah Saud Humoud, Somenath Mitra

Research output: Contribution to journal › Article › peer-review

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Abstract

In this paper, a facile fabrication of enhanced direct contact membrane distillation membrane via immobilization of the hydrophilic graphene oxide (GO) on the permeate side (GOIM-P) of a commercial polypropylene supported polytetrafluoroethylene (PTFE) membrane is presented. The permeate side hydrophilicity of the membrane was modified by immobilizing the GO to facilitate fast condensation and the withdrawal of the permeate water vapors. The water vapor flux was found to be as high as 64.5 kg/m²·h at 80 ºC, which is 15% higher than the unmodified membrane at a feed salt concentration of 10,000 ppm. The mass transfer coefficient was observed 6.2 × 10^-7 kg/m²·s·Pa at 60 ºC and 200 mL/min flow rate in the GOIM-P.

Original language	English (US)
Article number	63
Journal	Membranes
Volume	8
Issue number	3
DOIs	https://doi.org/10.3390/membranes8030063
State	Published - Sep 2018

All Science Journal Classification (ASJC) codes

Chemical Engineering (miscellaneous)
Process Chemistry and Technology
Filtration and Separation

Keywords

Desalination
Flux
Graphene oxide
Mass transfer coefficient
Membrane distillation

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10.3390/membranes8030063

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title = "Immobilization of graphene oxide on the permeate side of a membrane distillation membrane to enhance flux",

abstract = "In this paper, a facile fabrication of enhanced direct contact membrane distillation membrane via immobilization of the hydrophilic graphene oxide (GO) on the permeate side (GOIM-P) of a commercial polypropylene supported polytetrafluoroethylene (PTFE) membrane is presented. The permeate side hydrophilicity of the membrane was modified by immobilizing the GO to facilitate fast condensation and the withdrawal of the permeate water vapors. The water vapor flux was found to be as high as 64.5 kg/m2·h at 80 ºC, which is 15% higher than the unmodified membrane at a feed salt concentration of 10,000 ppm. The mass transfer coefficient was observed 6.2 × 10-7 kg/m2·s·Pa at 60 ºC and 200 mL/min flow rate in the GOIM-P.",

keywords = "Desalination, Flux, Graphene oxide, Mass transfer coefficient, Membrane distillation",

author = "Worawit Intrchom and Sagar Roy and Humoud, {Madihah Saud} and Somenath Mitra",

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AU - Intrchom, Worawit

AU - Roy, Sagar

AU - Humoud, Madihah Saud

AU - Mitra, Somenath

PY - 2018/9

Y1 - 2018/9

N2 - In this paper, a facile fabrication of enhanced direct contact membrane distillation membrane via immobilization of the hydrophilic graphene oxide (GO) on the permeate side (GOIM-P) of a commercial polypropylene supported polytetrafluoroethylene (PTFE) membrane is presented. The permeate side hydrophilicity of the membrane was modified by immobilizing the GO to facilitate fast condensation and the withdrawal of the permeate water vapors. The water vapor flux was found to be as high as 64.5 kg/m2·h at 80 ºC, which is 15% higher than the unmodified membrane at a feed salt concentration of 10,000 ppm. The mass transfer coefficient was observed 6.2 × 10-7 kg/m2·s·Pa at 60 ºC and 200 mL/min flow rate in the GOIM-P.

AB - In this paper, a facile fabrication of enhanced direct contact membrane distillation membrane via immobilization of the hydrophilic graphene oxide (GO) on the permeate side (GOIM-P) of a commercial polypropylene supported polytetrafluoroethylene (PTFE) membrane is presented. The permeate side hydrophilicity of the membrane was modified by immobilizing the GO to facilitate fast condensation and the withdrawal of the permeate water vapors. The water vapor flux was found to be as high as 64.5 kg/m2·h at 80 ºC, which is 15% higher than the unmodified membrane at a feed salt concentration of 10,000 ppm. The mass transfer coefficient was observed 6.2 × 10-7 kg/m2·s·Pa at 60 ºC and 200 mL/min flow rate in the GOIM-P.

KW - Desalination

KW - Flux

KW - Graphene oxide

KW - Mass transfer coefficient

KW - Membrane distillation

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Immobilization of graphene oxide on the permeate side of a membrane distillation membrane to enhance flux

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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