Process Safety and Environmental Protection, Volume (139), Year (2020-7) , Pages (297-304)

Title : ( An environmentally friendly superhydrophobic modified polyurethane sponge by seashell for the efficient oil/water separation )

Authors: azam jamsaz , Elaheh Kafshdare Goharshadi ,

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Abstract

tSeeking eco-friendly, highly-efficient, low-cost, and robust adsorbents to remove oil from water resourcesare very much in demand. In this work, an environmentally friendly, recyclable, superhydrophobic, andsuperoleophilic seashell/epoxy resin/polyurethane (EP/SPU) sponge with contact angle of 174.10 ± 0.47◦was prepared. EP/SPU sponge demonstrated high adsorption capacity in the range of 28.03–42.17 g/gtimes more than of its own weight for five oils and four organic solvents. The EP/SPU sponge was used 10times for the adsorption of the oils and organic solvents with no significant loss in its adsorption capacity.The mechanical test suggested that the lightweight EP/SPU sponge is not compressible compared withneat polyurethane (PU) sponge. The volume of neat PU sponge decreased from 2.28 to 1.14 cm3whilethe EP/SPU sponge volume (2.28 cm3) did not change. As a result, EP/SPU sponge is expected to be apromising sorbent for potential applications in the cleanup of oil spills from water.

Keywords

, Oil/water separation, Seashell, Epoxy resin, Polyurethane sponge
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@article{paperid:1079748,
author = {Jamsaz, Azam and Kafshdare Goharshadi, Elaheh},
title = {An environmentally friendly superhydrophobic modified polyurethane sponge by seashell for the efficient oil/water separation},
journal = {Process Safety and Environmental Protection},
year = {2020},
volume = {139},
month = {July},
issn = {0957-5820},
pages = {297--304},
numpages = {7},
keywords = {Oil/water separation; Seashell; Epoxy resin; Polyurethane sponge},
}

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%0 Journal Article
%T An environmentally friendly superhydrophobic modified polyurethane sponge by seashell for the efficient oil/water separation
%A Jamsaz, Azam
%A Kafshdare Goharshadi, Elaheh
%J Process Safety and Environmental Protection
%@ 0957-5820
%D 2020

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