Preparation of Hydrophobic Fly Ash by Surface Modification and Oil-water Separation Devices
A simple and effective superhydrophobic mesh was designed and made to separate oil-water mixture. Alkali-activated fly ash reacted with 1-bromooctadecane to prepare superhydrophobic modified fly ash (MFA) with low surface energy through Williamson ether synthesis. The MFA powder was then coated unif...
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| Veröffentlicht in: | Journal of Wuhan University of Technology. Materials science edition 2023-06, Vol.38 (3), p.695-700 |
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| container_title | Journal of Wuhan University of Technology. Materials science edition |
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| creator | Yu, Yangjian Liu, Peng Wang, Fazhou Hu, Chuanlin |
| description | A simple and effective superhydrophobic mesh was designed and made to separate oil-water mixture. Alkali-activated fly ash reacted with 1-bromooctadecane to prepare superhydrophobic modified fly ash (MFA) with low surface energy through Williamson ether synthesis. The MFA powder was then coated uniformly on a stainless steel mesh (SSM) along with the epoxy resin E44 and curing agent T31 to give the superhydrophobic MFA-modified stainless steel mesh (MFA-SSM). The MFA-SSM has a high static water contact angle (CA) of 150.1° and can separate various oil or organic solvent from water with >95% separation efficiency. The oil-water separation efficiency remained high after 30 runs of petroleum ether/water separation. The developed superhydrophobic stainless steel mesh is expected to have wider use in oil-water separation. |
| doi_str_mv | 10.1007/s11595-023-2748-7 |
| format | Article |
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Alkali-activated fly ash reacted with 1-bromooctadecane to prepare superhydrophobic modified fly ash (MFA) with low surface energy through Williamson ether synthesis. The MFA powder was then coated uniformly on a stainless steel mesh (SSM) along with the epoxy resin E44 and curing agent T31 to give the superhydrophobic MFA-modified stainless steel mesh (MFA-SSM). The MFA-SSM has a high static water contact angle (CA) of 150.1° and can separate various oil or organic solvent from water with >95% separation efficiency. The oil-water separation efficiency remained high after 30 runs of petroleum ether/water separation. 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The developed superhydrophobic stainless steel mesh is expected to have wider use in oil-water separation.</description><subject>Chemistry and Materials Science</subject><subject>Contact angle</subject><subject>Curing agents</subject><subject>Epoxy resins</subject><subject>Fly ash</subject><subject>Hydrophobicity</subject><subject>Materials Science</subject><subject>Organic Materials</subject><subject>Separation</subject><subject>Stainless steels</subject><subject>Surface energy</subject><issn>1000-2413</issn><issn>1993-0437</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kE1Lw0AURQdRsFZ_gLsB16PvTdJMsizVWqFSobpyMcxXbErNxJlUyb83JUJXrt5dnHsfHEKuEW4RQNxFxEkxYcATxkWaM3FCRlgUCYM0Ead9BgDGU0zOyUWMW4AUkiwbkfeX4BoVVFv5mvqSLjobfLPxujJ0vuvoNG6o7uh6H0plHH32tiorM-CqtnRV7diPal2g6-POvfuujIuX5KxUu-iu_u6YvM0fXmcLtlw9Ps2mS2Z4lrfMqtJCoVA7pXmmwXGuhdIasHDCGNRWa25Fniud67QApSCDLM-0RW6cwmRMbobdJvivvYut3Pp9qPuXkudYpCgmmPYUDpQJPsbgStmE6lOFTiLIg0M5OJS9Q3lwKEXf4UMn9mz94cJx-f_SLy6cdWg</recordid><startdate>20230601</startdate><enddate>20230601</enddate><creator>Yu, Yangjian</creator><creator>Liu, Peng</creator><creator>Wang, Fazhou</creator><creator>Hu, Chuanlin</creator><general>Wuhan University of Technology</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20230601</creationdate><title>Preparation of Hydrophobic Fly Ash by Surface Modification and Oil-water Separation Devices</title><author>Yu, Yangjian ; Liu, Peng ; Wang, Fazhou ; Hu, Chuanlin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c268t-dafd09a1beab26b0e22b7abb019e7cc1bdbb2d788ab8b490aa060686bd12cea13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Chemistry and Materials Science</topic><topic>Contact angle</topic><topic>Curing agents</topic><topic>Epoxy resins</topic><topic>Fly ash</topic><topic>Hydrophobicity</topic><topic>Materials Science</topic><topic>Organic Materials</topic><topic>Separation</topic><topic>Stainless steels</topic><topic>Surface energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Yangjian</creatorcontrib><creatorcontrib>Liu, Peng</creatorcontrib><creatorcontrib>Wang, Fazhou</creatorcontrib><creatorcontrib>Hu, Chuanlin</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of Wuhan University of Technology. 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| ispartof | Journal of Wuhan University of Technology. Materials science edition, 2023-06, Vol.38 (3), p.695-700 |
| issn | 1000-2413 1993-0437 |
| language | eng |
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| source | Springer Journals; Alma/SFX Local Collection |
| subjects | Chemistry and Materials Science Contact angle Curing agents Epoxy resins Fly ash Hydrophobicity Materials Science Organic Materials Separation Stainless steels Surface energy |
| title | Preparation of Hydrophobic Fly Ash by Surface Modification and Oil-water Separation Devices |
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