Surfactant modified graphene oxide laminates for filtration
We have used a cationic surfactant cetyltrimethylammonium bromide (C16TAB) to increase the interlayer spacing between laminates in graphene oxide (GO) membranes for higher water flux. The addition of C16TAB to the GO membrane increased the permeability without compromising the ability to completely...
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| Veröffentlicht in: | Carbon (New York) 2017-05, Vol.116, p.240-245 |
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| creator | Lian, B. Deng, J. Leslie, G. Bustamante, H. Sahajwalla, V. Nishina, Y. Joshi, R.K. |
| description | We have used a cationic surfactant cetyltrimethylammonium bromide (C16TAB) to increase the interlayer spacing between laminates in graphene oxide (GO) membranes for higher water flux. The addition of C16TAB to the GO membrane increased the permeability without compromising the ability to completely reject sucrose molecules. Species larger than sucrose can still permeate through modified GO membranes nearly with same rate as in the case of pure GO membranes. We speculate that interaction of C16TAB surfactant with sucrose molecules could be responsible for the selective rejection of sucrose. The selective rejection of sucrose, which is a common draw in forward osmosis (FO) process, suggests that surfactant modified GO membranes have the potential to improve the efficiency of the FO process.
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| doi_str_mv | 10.1016/j.carbon.2017.01.102 |
| format | Article |
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[Display omitted]</description><subject>Cetyltrimethylammonium bromide</subject><subject>Filtration</subject><subject>Graphene</subject><subject>Interlayers</subject><subject>Laminates</subject><subject>Membranes</subject><subject>Osmosis</subject><subject>Permeability</subject><subject>Rejection</subject><subject>Sucrose</subject><subject>Surfactants</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kEFLxDAQhYMouK7-Aw8Fz62ZJm0TBEEWV4UFD-o5ZJOJpuw2a5IV_fd2qWdPwzzee8N8hFwCrYBCe91XRsd1GKqaQldRGNX6iMxAdKxkQsIxmVFKRdnWNTslZyn148oF8Bm5edlHp03WQy62wXrn0RbvUe8-cMAifHuLxUZv_aAzpsKFWDi_yVFnH4ZzcuL0JuHF35yTt-X96-KxXD0_PC3uVqXhrMslmFZLRzsE1hjbOS1EyxCsNI2U3Bkja2kFb9aN5BREzbRAZxwVXesop2s2J1dT7y6Gzz2mrPqwj8N4UoGErpVNw-no4pPLxJBSRKd20W91_FFA1QGT6tWESR0wKQqjWo-x2ymG4wdfHqNKxuNg0PqIJisb_P8FvzkXchY</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Lian, B.</creator><creator>Deng, J.</creator><creator>Leslie, G.</creator><creator>Bustamante, H.</creator><creator>Sahajwalla, V.</creator><creator>Nishina, Y.</creator><creator>Joshi, R.K.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-7463-4282</orcidid></search><sort><creationdate>20170501</creationdate><title>Surfactant modified graphene oxide laminates for filtration</title><author>Lian, B. ; Deng, J. ; Leslie, G. ; Bustamante, H. ; Sahajwalla, V. ; Nishina, Y. ; Joshi, R.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c437t-1c6a9f07e135cd7fa8863e1d9c5994fcc929d845b59401823a8efcf0876f040b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Cetyltrimethylammonium bromide</topic><topic>Filtration</topic><topic>Graphene</topic><topic>Interlayers</topic><topic>Laminates</topic><topic>Membranes</topic><topic>Osmosis</topic><topic>Permeability</topic><topic>Rejection</topic><topic>Sucrose</topic><topic>Surfactants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lian, B.</creatorcontrib><creatorcontrib>Deng, J.</creatorcontrib><creatorcontrib>Leslie, G.</creatorcontrib><creatorcontrib>Bustamante, H.</creatorcontrib><creatorcontrib>Sahajwalla, V.</creatorcontrib><creatorcontrib>Nishina, Y.</creatorcontrib><creatorcontrib>Joshi, R.K.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lian, B.</au><au>Deng, J.</au><au>Leslie, G.</au><au>Bustamante, H.</au><au>Sahajwalla, V.</au><au>Nishina, Y.</au><au>Joshi, R.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surfactant modified graphene oxide laminates for filtration</atitle><jtitle>Carbon (New York)</jtitle><date>2017-05-01</date><risdate>2017</risdate><volume>116</volume><spage>240</spage><epage>245</epage><pages>240-245</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><abstract>We have used a cationic surfactant cetyltrimethylammonium bromide (C16TAB) to increase the interlayer spacing between laminates in graphene oxide (GO) membranes for higher water flux. The addition of C16TAB to the GO membrane increased the permeability without compromising the ability to completely reject sucrose molecules. Species larger than sucrose can still permeate through modified GO membranes nearly with same rate as in the case of pure GO membranes. We speculate that interaction of C16TAB surfactant with sucrose molecules could be responsible for the selective rejection of sucrose. The selective rejection of sucrose, which is a common draw in forward osmosis (FO) process, suggests that surfactant modified GO membranes have the potential to improve the efficiency of the FO process.
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| ispartof | Carbon (New York), 2017-05, Vol.116, p.240-245 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Cetyltrimethylammonium bromide Filtration Graphene Interlayers Laminates Membranes Osmosis Permeability Rejection Sucrose Surfactants |
| title | Surfactant modified graphene oxide laminates for filtration |
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