Quartz Sand Filter Media with Special Wettability for Continuous and Efficient Oil/Water Separation and Dye Adsorption
For continuous and efficient oil/water separation and adsorption of dyes, coconut shell powder was grafted onto the surface of quartz sand by dip-coating method to make coconut shell powder-covered quartz sand filter media (CSQS) with superhydrophilic and underwater superoleophobic properties and su...
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description | For continuous and efficient oil/water separation and adsorption of dyes, coconut shell powder was grafted onto the surface of quartz sand by dip-coating method to make coconut shell powder-covered quartz sand filter media (CSQS) with superhydrophilic and underwater superoleophobic properties and superoleophilic and underoil highly hydrophobic properties. The contact angles of the underwater oil and underoil water with CSQS were more than 151.2° and 134.2°, respectively. A continuous oil/water separation device was designed. The separation device filled with CSQS can separate oil/water mixture (whether heavy or light oil) into water and oil at the same time with a separation efficiency of above 99.92%. The filter layer can be recovered through reverse extrusion even after lyophobic liquid penetrated the filter layer; hence, the separation efficiency of the filter layer was still above 99.99% for diesel and water mixture. Simultaneously, CSQS can effectively adsorb methylene blue with the highest removal rate as 98.94%. CSQS can maintain stable wettability under harsh environment conditions. This paper provides a new idea on continuous and efficient oil/water separation and simultaneous dye adsorption. |
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The contact angles of the underwater oil and underoil water with CSQS were more than 151.2° and 134.2°, respectively. A continuous oil/water separation device was designed. The separation device filled with CSQS can separate oil/water mixture (whether heavy or light oil) into water and oil at the same time with a separation efficiency of above 99.92%. The filter layer can be recovered through reverse extrusion even after lyophobic liquid penetrated the filter layer; hence, the separation efficiency of the filter layer was still above 99.99% for diesel and water mixture. Simultaneously, CSQS can effectively adsorb methylene blue with the highest removal rate as 98.94%. CSQS can maintain stable wettability under harsh environment conditions. This paper provides a new idea on continuous and efficient oil/water separation and simultaneous dye adsorption.</description><identifier>ISSN: 2227-9717</identifier><identifier>EISSN: 2227-9717</identifier><identifier>DOI: 10.3390/pr8091083</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Adsorption ; Contact angle ; Dip coatings ; Dyes ; Efficiency ; Extrusion ; Hydrophobic surfaces ; Hydrophobicity ; Immersion coating ; Membrane separation ; Methylene blue ; Oil ; Oxidation ; Quartz ; Research methodology ; Sand ; Sand filters ; Separation ; Stainless steel ; Underwater ; Water purification ; Wettability</subject><ispartof>Processes, 2020-09, Vol.8 (9), p.1083</ispartof><rights>2020. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c292t-20ebc7460aa17493770b0c4f38405ce4cec2b586a1fe381d2a3c1bbab83518c73</citedby><cites>FETCH-LOGICAL-c292t-20ebc7460aa17493770b0c4f38405ce4cec2b586a1fe381d2a3c1bbab83518c73</cites><orcidid>0000-0001-7803-4540</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Wei, Bigui</creatorcontrib><creatorcontrib>Luo, Xuying</creatorcontrib><creatorcontrib>Song, Xiaosan</creatorcontrib><creatorcontrib>Guo, Hanyue</creatorcontrib><creatorcontrib>Dai, Liang</creatorcontrib><creatorcontrib>Zhang, Hongwei</creatorcontrib><creatorcontrib>Wang, Gang</creatorcontrib><title>Quartz Sand Filter Media with Special Wettability for Continuous and Efficient Oil/Water Separation and Dye Adsorption</title><title>Processes</title><description>For continuous and efficient oil/water separation and adsorption of dyes, coconut shell powder was grafted onto the surface of quartz sand by dip-coating method to make coconut shell powder-covered quartz sand filter media (CSQS) with superhydrophilic and underwater superoleophobic properties and superoleophilic and underoil highly hydrophobic properties. The contact angles of the underwater oil and underoil water with CSQS were more than 151.2° and 134.2°, respectively. A continuous oil/water separation device was designed. The separation device filled with CSQS can separate oil/water mixture (whether heavy or light oil) into water and oil at the same time with a separation efficiency of above 99.92%. The filter layer can be recovered through reverse extrusion even after lyophobic liquid penetrated the filter layer; hence, the separation efficiency of the filter layer was still above 99.99% for diesel and water mixture. Simultaneously, CSQS can effectively adsorb methylene blue with the highest removal rate as 98.94%. CSQS can maintain stable wettability under harsh environment conditions. This paper provides a new idea on continuous and efficient oil/water separation and simultaneous dye adsorption.</description><subject>Adsorption</subject><subject>Contact angle</subject><subject>Dip coatings</subject><subject>Dyes</subject><subject>Efficiency</subject><subject>Extrusion</subject><subject>Hydrophobic surfaces</subject><subject>Hydrophobicity</subject><subject>Immersion coating</subject><subject>Membrane separation</subject><subject>Methylene blue</subject><subject>Oil</subject><subject>Oxidation</subject><subject>Quartz</subject><subject>Research methodology</subject><subject>Sand</subject><subject>Sand filters</subject><subject>Separation</subject><subject>Stainless steel</subject><subject>Underwater</subject><subject>Water purification</subject><subject>Wettability</subject><issn>2227-9717</issn><issn>2227-9717</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpNkF9LwzAUxYMoOOYe_AYBn3yoy7826eOYmwqTIVP2WG7TFDNqU5NUmZ_e1Yl4X-7l8jvnwEHokpIbznMy7bwiOSWKn6ARY0wmuaTy9N99jiYh7MhhcspVmo3Qx1MPPn7hDbQVXtomGo8fTWUBf9r4ijed0RYavDUxQmkbG_e4dh7PXRtt27s-4EG4qGurrWkjXttmuoXBZWM68BCta3-Q273Bsyo43w2vC3RWQxPM5HeP0cty8Ty_T1bru4f5bJVolrOYMGJKLUVGAKgUOZeSlESLmitBUm2ENpqVqcqA1oYrWjHgmpYllIqnVGnJx-jq6Nt5996bEIud6317iCyYEETQTGX8QF0fKe1dCN7UReftG_h9QUkxNFv8Ncu_ATq1a8Y</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Wei, Bigui</creator><creator>Luo, Xuying</creator><creator>Song, Xiaosan</creator><creator>Guo, Hanyue</creator><creator>Dai, Liang</creator><creator>Zhang, Hongwei</creator><creator>Wang, Gang</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>LK8</scope><scope>M7P</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0001-7803-4540</orcidid></search><sort><creationdate>20200901</creationdate><title>Quartz Sand Filter Media with Special Wettability for Continuous and Efficient Oil/Water Separation and Dye Adsorption</title><author>Wei, Bigui ; Luo, Xuying ; Song, Xiaosan ; Guo, Hanyue ; Dai, Liang ; Zhang, Hongwei ; Wang, Gang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-20ebc7460aa17493770b0c4f38405ce4cec2b586a1fe381d2a3c1bbab83518c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorption</topic><topic>Contact angle</topic><topic>Dip coatings</topic><topic>Dyes</topic><topic>Efficiency</topic><topic>Extrusion</topic><topic>Hydrophobic surfaces</topic><topic>Hydrophobicity</topic><topic>Immersion coating</topic><topic>Membrane separation</topic><topic>Methylene blue</topic><topic>Oil</topic><topic>Oxidation</topic><topic>Quartz</topic><topic>Research methodology</topic><topic>Sand</topic><topic>Sand filters</topic><topic>Separation</topic><topic>Stainless steel</topic><topic>Underwater</topic><topic>Water purification</topic><topic>Wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wei, Bigui</creatorcontrib><creatorcontrib>Luo, Xuying</creatorcontrib><creatorcontrib>Song, Xiaosan</creatorcontrib><creatorcontrib>Guo, Hanyue</creatorcontrib><creatorcontrib>Dai, Liang</creatorcontrib><creatorcontrib>Zhang, Hongwei</creatorcontrib><creatorcontrib>Wang, Gang</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Biological Science Collection</collection><collection>Biological Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Processes</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, Bigui</au><au>Luo, Xuying</au><au>Song, Xiaosan</au><au>Guo, Hanyue</au><au>Dai, Liang</au><au>Zhang, Hongwei</au><au>Wang, Gang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quartz Sand Filter Media with Special Wettability for Continuous and Efficient Oil/Water Separation and Dye Adsorption</atitle><jtitle>Processes</jtitle><date>2020-09-01</date><risdate>2020</risdate><volume>8</volume><issue>9</issue><spage>1083</spage><pages>1083-</pages><issn>2227-9717</issn><eissn>2227-9717</eissn><abstract>For continuous and efficient oil/water separation and adsorption of dyes, coconut shell powder was grafted onto the surface of quartz sand by dip-coating method to make coconut shell powder-covered quartz sand filter media (CSQS) with superhydrophilic and underwater superoleophobic properties and superoleophilic and underoil highly hydrophobic properties. The contact angles of the underwater oil and underoil water with CSQS were more than 151.2° and 134.2°, respectively. A continuous oil/water separation device was designed. The separation device filled with CSQS can separate oil/water mixture (whether heavy or light oil) into water and oil at the same time with a separation efficiency of above 99.92%. The filter layer can be recovered through reverse extrusion even after lyophobic liquid penetrated the filter layer; hence, the separation efficiency of the filter layer was still above 99.99% for diesel and water mixture. Simultaneously, CSQS can effectively adsorb methylene blue with the highest removal rate as 98.94%. CSQS can maintain stable wettability under harsh environment conditions. 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source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute |
subjects | Adsorption Contact angle Dip coatings Dyes Efficiency Extrusion Hydrophobic surfaces Hydrophobicity Immersion coating Membrane separation Methylene blue Oil Oxidation Quartz Research methodology Sand Sand filters Separation Stainless steel Underwater Water purification Wettability |
title | Quartz Sand Filter Media with Special Wettability for Continuous and Efficient Oil/Water Separation and Dye Adsorption |
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