Submerged photocatalytic membrane reactor with suspended and immobilized N-doped TiO2 under visible irradiation for diclofenac removal from wastewater
•Photocatalytic membrane reactors with suspended and immobilized N-TiO2 were used for diclofenac removal.•Coupling H2O2 with the photocatalytic process could enhance the DCF removal efficiency.•Coupling H2O2 with the photocatalytic process yielded higher resistant permeate flux rates. A submerged ph...
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| Veröffentlicht in: | Process safety and environmental protection 2020-10, Vol.142, p.229-237 |
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| creator | Nguyen, Van-Huy Tran, Quoc Ba Nguyen, Xuan Cuong Hai, Le Thanh Ho, Thi Thanh Tam Shokouhimehr, Mohammadreza Vo, Dai-Viet N. Lam, Su Shiung Nguyen, Hai Phong Hoang, Cong Tin Ly, Quang Viet Peng, Wanxi Kim, Soo Young Tung, Tra Van Van Le, Quyet |
| description | •Photocatalytic membrane reactors with suspended and immobilized N-TiO2 were used for diclofenac removal.•Coupling H2O2 with the photocatalytic process could enhance the DCF removal efficiency.•Coupling H2O2 with the photocatalytic process yielded higher resistant permeate flux rates.
A submerged photocatalytic membrane reactor (SPMR) was used with suspended and immobilized N–TiO2 under visible irradiation for diclofenac (DCF) removal from wastewater. The effects of initial N–TiO2 concentrations for the SPMR with suspended N–TiO2 were determined for batch processes. Hydrogen peroxide was also coupled with the photocatalytic process. In continuous conditions, a reverse osmosis (RO) membrane was combined with the SPMR for enhancing effluent quality. DCF removal by the SPMR with suspended and immobilized N–TiO2 at a low N–TiO2 dosage (0.5g/L) was not much different between the two systems, but increased with higher N–TiO2 dosages for the reactor with suspended N–TiO2. Coupling H2O2 with the photocatalytic process under visible irradiation enhanced the DCF removal efficiency. In continuous conditions, DCF concentrations in the photoreactor increased during the reaction time, while those in the effluent (RO permeate) were steady for both systems and both processes. The permeate flux in the reactor with suspended N–TiO2 declined faster than in the reactor with the immobilized N–TiO2. Coupling H2O2 with the photocatalytic process yielded more resistant permeate flux rates. The cake layer formed on the microfiltration membrane of the SPMR with suspended N–TiO2 under visible irradiation was denser than others after completing the process. |
| doi_str_mv | 10.1016/j.psep.2020.05.041 |
| format | Article |
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A submerged photocatalytic membrane reactor (SPMR) was used with suspended and immobilized N–TiO2 under visible irradiation for diclofenac (DCF) removal from wastewater. The effects of initial N–TiO2 concentrations for the SPMR with suspended N–TiO2 were determined for batch processes. Hydrogen peroxide was also coupled with the photocatalytic process. In continuous conditions, a reverse osmosis (RO) membrane was combined with the SPMR for enhancing effluent quality. DCF removal by the SPMR with suspended and immobilized N–TiO2 at a low N–TiO2 dosage (0.5g/L) was not much different between the two systems, but increased with higher N–TiO2 dosages for the reactor with suspended N–TiO2. Coupling H2O2 with the photocatalytic process under visible irradiation enhanced the DCF removal efficiency. In continuous conditions, DCF concentrations in the photoreactor increased during the reaction time, while those in the effluent (RO permeate) were steady for both systems and both processes. The permeate flux in the reactor with suspended N–TiO2 declined faster than in the reactor with the immobilized N–TiO2. Coupling H2O2 with the photocatalytic process yielded more resistant permeate flux rates. The cake layer formed on the microfiltration membrane of the SPMR with suspended N–TiO2 under visible irradiation was denser than others after completing the process.</description><identifier>ISSN: 0957-5820</identifier><identifier>EISSN: 1744-3598</identifier><identifier>DOI: 10.1016/j.psep.2020.05.041</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Batch processes ; Batch processing ; Coupling ; Diclofenac ; Effluents ; Hydrogen peroxide ; Immobilized N-TiO2 ; Irradiation ; Membrane reactors ; Membranes ; Microfiltration ; Nonsteroidal anti-inflammatory drugs ; Photocatalysis ; Radiation ; Reaction time ; Reactors ; Reverse osmosis ; SPMR ; Suspended N-TiO2 ; Titanium dioxide ; Vis/N-TiO2 ; Vis/N–TiO2/H2O2 ; Wastewater ; Wastewater treatment</subject><ispartof>Process safety and environmental protection, 2020-10, Vol.142, p.229-237</ispartof><rights>2020 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. Oct 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-9ed3222ad6049be240eda3ff19d303a4598eefb242101564a1344cb49ce552a53</citedby><cites>FETCH-LOGICAL-c377t-9ed3222ad6049be240eda3ff19d303a4598eefb242101564a1344cb49ce552a53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.psep.2020.05.041$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Nguyen, Van-Huy</creatorcontrib><creatorcontrib>Tran, Quoc Ba</creatorcontrib><creatorcontrib>Nguyen, Xuan Cuong</creatorcontrib><creatorcontrib>Hai, Le Thanh</creatorcontrib><creatorcontrib>Ho, Thi Thanh Tam</creatorcontrib><creatorcontrib>Shokouhimehr, Mohammadreza</creatorcontrib><creatorcontrib>Vo, Dai-Viet N.</creatorcontrib><creatorcontrib>Lam, Su Shiung</creatorcontrib><creatorcontrib>Nguyen, Hai Phong</creatorcontrib><creatorcontrib>Hoang, Cong Tin</creatorcontrib><creatorcontrib>Ly, Quang Viet</creatorcontrib><creatorcontrib>Peng, Wanxi</creatorcontrib><creatorcontrib>Kim, Soo Young</creatorcontrib><creatorcontrib>Tung, Tra Van</creatorcontrib><creatorcontrib>Van Le, Quyet</creatorcontrib><title>Submerged photocatalytic membrane reactor with suspended and immobilized N-doped TiO2 under visible irradiation for diclofenac removal from wastewater</title><title>Process safety and environmental protection</title><description>•Photocatalytic membrane reactors with suspended and immobilized N-TiO2 were used for diclofenac removal.•Coupling H2O2 with the photocatalytic process could enhance the DCF removal efficiency.•Coupling H2O2 with the photocatalytic process yielded higher resistant permeate flux rates.
A submerged photocatalytic membrane reactor (SPMR) was used with suspended and immobilized N–TiO2 under visible irradiation for diclofenac (DCF) removal from wastewater. The effects of initial N–TiO2 concentrations for the SPMR with suspended N–TiO2 were determined for batch processes. Hydrogen peroxide was also coupled with the photocatalytic process. In continuous conditions, a reverse osmosis (RO) membrane was combined with the SPMR for enhancing effluent quality. DCF removal by the SPMR with suspended and immobilized N–TiO2 at a low N–TiO2 dosage (0.5g/L) was not much different between the two systems, but increased with higher N–TiO2 dosages for the reactor with suspended N–TiO2. Coupling H2O2 with the photocatalytic process under visible irradiation enhanced the DCF removal efficiency. In continuous conditions, DCF concentrations in the photoreactor increased during the reaction time, while those in the effluent (RO permeate) were steady for both systems and both processes. The permeate flux in the reactor with suspended N–TiO2 declined faster than in the reactor with the immobilized N–TiO2. Coupling H2O2 with the photocatalytic process yielded more resistant permeate flux rates. The cake layer formed on the microfiltration membrane of the SPMR with suspended N–TiO2 under visible irradiation was denser than others after completing the process.</description><subject>Batch processes</subject><subject>Batch processing</subject><subject>Coupling</subject><subject>Diclofenac</subject><subject>Effluents</subject><subject>Hydrogen peroxide</subject><subject>Immobilized N-TiO2</subject><subject>Irradiation</subject><subject>Membrane reactors</subject><subject>Membranes</subject><subject>Microfiltration</subject><subject>Nonsteroidal anti-inflammatory drugs</subject><subject>Photocatalysis</subject><subject>Radiation</subject><subject>Reaction time</subject><subject>Reactors</subject><subject>Reverse osmosis</subject><subject>SPMR</subject><subject>Suspended N-TiO2</subject><subject>Titanium dioxide</subject><subject>Vis/N-TiO2</subject><subject>Vis/N–TiO2/H2O2</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><issn>0957-5820</issn><issn>1744-3598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE9r3DAQxUVpodttvkBOgpzt6K8dQy4htEkhNIemZzGWxo0W23IkeZfkg-TzVsv23NNj4L03Mz9CzjmrOePN5a5eEi61YILVTNdM8Q9kw1ulKqm7q49kwzrdVvpKsM_kS0o7xhgXLd-Q919rP2H8g44uzyEHCxnG1-wtnXDqI8xII4LNIdKDz880rWnB2RU7zI76aQq9H_1bmX9WLixFn_yjoGuxRLr3yfcjUh8jOA_Zh5kOpcl5O4YBZ7ClfAp7GOkQw0QPkDIeIGP8Sj4NMCY8-6db8vv7t6fb--rh8e7H7c1DZWXb5qpDJ4UQ4Bqmuh6FYuhADgPvnGQSVPkdceiFEoWSbhRwqZTtVWdRawFabsnFqXeJ4WXFlM0urHEuK41QTcN013ayuMTJZWNIKeJglugniK-GM3Pkb3bmyN8c-RumTeFfQtenEJb79x6jSdbjbNH5iDYbF_z_4n8B3uOSIQ</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Nguyen, Van-Huy</creator><creator>Tran, Quoc Ba</creator><creator>Nguyen, Xuan Cuong</creator><creator>Hai, Le Thanh</creator><creator>Ho, Thi Thanh Tam</creator><creator>Shokouhimehr, Mohammadreza</creator><creator>Vo, Dai-Viet N.</creator><creator>Lam, Su Shiung</creator><creator>Nguyen, Hai Phong</creator><creator>Hoang, Cong Tin</creator><creator>Ly, Quang Viet</creator><creator>Peng, Wanxi</creator><creator>Kim, Soo Young</creator><creator>Tung, Tra Van</creator><creator>Van Le, Quyet</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TB</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>202010</creationdate><title>Submerged photocatalytic membrane reactor with suspended and immobilized N-doped TiO2 under visible irradiation for diclofenac removal from wastewater</title><author>Nguyen, Van-Huy ; Tran, Quoc Ba ; Nguyen, Xuan Cuong ; Hai, Le Thanh ; Ho, Thi Thanh Tam ; Shokouhimehr, Mohammadreza ; Vo, Dai-Viet N. ; Lam, Su Shiung ; Nguyen, Hai Phong ; Hoang, Cong Tin ; Ly, Quang Viet ; Peng, Wanxi ; Kim, Soo Young ; Tung, Tra Van ; Van Le, Quyet</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-9ed3222ad6049be240eda3ff19d303a4598eefb242101564a1344cb49ce552a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Batch processes</topic><topic>Batch processing</topic><topic>Coupling</topic><topic>Diclofenac</topic><topic>Effluents</topic><topic>Hydrogen peroxide</topic><topic>Immobilized N-TiO2</topic><topic>Irradiation</topic><topic>Membrane reactors</topic><topic>Membranes</topic><topic>Microfiltration</topic><topic>Nonsteroidal anti-inflammatory drugs</topic><topic>Photocatalysis</topic><topic>Radiation</topic><topic>Reaction time</topic><topic>Reactors</topic><topic>Reverse osmosis</topic><topic>SPMR</topic><topic>Suspended N-TiO2</topic><topic>Titanium dioxide</topic><topic>Vis/N-TiO2</topic><topic>Vis/N–TiO2/H2O2</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nguyen, Van-Huy</creatorcontrib><creatorcontrib>Tran, Quoc Ba</creatorcontrib><creatorcontrib>Nguyen, Xuan Cuong</creatorcontrib><creatorcontrib>Hai, Le Thanh</creatorcontrib><creatorcontrib>Ho, Thi Thanh Tam</creatorcontrib><creatorcontrib>Shokouhimehr, Mohammadreza</creatorcontrib><creatorcontrib>Vo, Dai-Viet N.</creatorcontrib><creatorcontrib>Lam, Su Shiung</creatorcontrib><creatorcontrib>Nguyen, Hai Phong</creatorcontrib><creatorcontrib>Hoang, Cong Tin</creatorcontrib><creatorcontrib>Ly, Quang Viet</creatorcontrib><creatorcontrib>Peng, Wanxi</creatorcontrib><creatorcontrib>Kim, Soo Young</creatorcontrib><creatorcontrib>Tung, Tra Van</creatorcontrib><creatorcontrib>Van Le, Quyet</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Process safety and environmental protection</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nguyen, Van-Huy</au><au>Tran, Quoc Ba</au><au>Nguyen, Xuan Cuong</au><au>Hai, Le Thanh</au><au>Ho, Thi Thanh Tam</au><au>Shokouhimehr, Mohammadreza</au><au>Vo, Dai-Viet N.</au><au>Lam, Su Shiung</au><au>Nguyen, Hai Phong</au><au>Hoang, Cong Tin</au><au>Ly, Quang Viet</au><au>Peng, Wanxi</au><au>Kim, Soo Young</au><au>Tung, Tra Van</au><au>Van Le, Quyet</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Submerged photocatalytic membrane reactor with suspended and immobilized N-doped TiO2 under visible irradiation for diclofenac removal from wastewater</atitle><jtitle>Process safety and environmental protection</jtitle><date>2020-10</date><risdate>2020</risdate><volume>142</volume><spage>229</spage><epage>237</epage><pages>229-237</pages><issn>0957-5820</issn><eissn>1744-3598</eissn><abstract>•Photocatalytic membrane reactors with suspended and immobilized N-TiO2 were used for diclofenac removal.•Coupling H2O2 with the photocatalytic process could enhance the DCF removal efficiency.•Coupling H2O2 with the photocatalytic process yielded higher resistant permeate flux rates.
A submerged photocatalytic membrane reactor (SPMR) was used with suspended and immobilized N–TiO2 under visible irradiation for diclofenac (DCF) removal from wastewater. The effects of initial N–TiO2 concentrations for the SPMR with suspended N–TiO2 were determined for batch processes. Hydrogen peroxide was also coupled with the photocatalytic process. In continuous conditions, a reverse osmosis (RO) membrane was combined with the SPMR for enhancing effluent quality. DCF removal by the SPMR with suspended and immobilized N–TiO2 at a low N–TiO2 dosage (0.5g/L) was not much different between the two systems, but increased with higher N–TiO2 dosages for the reactor with suspended N–TiO2. Coupling H2O2 with the photocatalytic process under visible irradiation enhanced the DCF removal efficiency. In continuous conditions, DCF concentrations in the photoreactor increased during the reaction time, while those in the effluent (RO permeate) were steady for both systems and both processes. The permeate flux in the reactor with suspended N–TiO2 declined faster than in the reactor with the immobilized N–TiO2. Coupling H2O2 with the photocatalytic process yielded more resistant permeate flux rates. The cake layer formed on the microfiltration membrane of the SPMR with suspended N–TiO2 under visible irradiation was denser than others after completing the process.</abstract><cop>Rugby</cop><pub>Elsevier B.V</pub><doi>10.1016/j.psep.2020.05.041</doi><tpages>9</tpages></addata></record> |
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| subjects | Batch processes Batch processing Coupling Diclofenac Effluents Hydrogen peroxide Immobilized N-TiO2 Irradiation Membrane reactors Membranes Microfiltration Nonsteroidal anti-inflammatory drugs Photocatalysis Radiation Reaction time Reactors Reverse osmosis SPMR Suspended N-TiO2 Titanium dioxide Vis/N-TiO2 Vis/N–TiO2/H2O2 Wastewater Wastewater treatment |
| title | Submerged photocatalytic membrane reactor with suspended and immobilized N-doped TiO2 under visible irradiation for diclofenac removal from wastewater |
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