Characteristics of adsorbents made from biological, chemical and hybrid sludges and their effect on organics removal in wastewater treatment
Meso-macropore adsorbents were prepared from biological sludge, chemical sludge and hybrid sludge of biological and chemical sludges, by chemically activating with 18.0 M H2SO4 in the mass ratio of 1:3, and then pyrolyzing at 550 °C for 1 h in anoxic atmosphere. The physical and chemical characteris...
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| Veröffentlicht in: | Water research (Oxford) 2011-01, Vol.45 (2), p.819-827 |
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| creator | Pan, Zhi-hui Tian, Jia-yu Xu, Guo-ren Li, Jun-jing Li, Gui-bai |
| description | Meso-macropore adsorbents were prepared from biological sludge, chemical sludge and hybrid sludge of biological and chemical sludges, by chemically activating with 18.0 M H2SO4 in the mass ratio of 1:3, and then pyrolyzing at 550 °C for 1 h in anoxic atmosphere. The physical and chemical characteristics of the sludge-based adsorbents were examined in terms of surface physical morphology, specific surface area and pore size distribution, aluminum and iron contents, surface functional groups and crystal structure. Furthermore, the adsorption effect of these adsorbents on the organic substances in wastewater was also investigated. The results indicated that the adsorption capacities of the sludge-based adsorbents for UV254 were lower than that of commercial activated carbon (AC), whereas the adsorption capacities of the adsorbents prepared from hybrid sludge (HA) and chemical sludge (CA) for soluble CODCr (SCODCr) were comparable or even higher than that of the commercial AC. The reasons might be that the HA and CA possessed well-developed mesopore and macropore structure, as well as abundant acidic surface functional groups. However, the lowest adsorption efficiency was observed for the biological sludge-based adsorbent, which might be due to the lowest metal content and overabundance of surface acidic functional groups in this adsorbent. |
| doi_str_mv | 10.1016/j.watres.2010.09.008 |
| format | Article |
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The physical and chemical characteristics of the sludge-based adsorbents were examined in terms of surface physical morphology, specific surface area and pore size distribution, aluminum and iron contents, surface functional groups and crystal structure. Furthermore, the adsorption effect of these adsorbents on the organic substances in wastewater was also investigated. The results indicated that the adsorption capacities of the sludge-based adsorbents for UV254 were lower than that of commercial activated carbon (AC), whereas the adsorption capacities of the adsorbents prepared from hybrid sludge (HA) and chemical sludge (CA) for soluble CODCr (SCODCr) were comparable or even higher than that of the commercial AC. The reasons might be that the HA and CA possessed well-developed mesopore and macropore structure, as well as abundant acidic surface functional groups. However, the lowest adsorption efficiency was observed for the biological sludge-based adsorbent, which might be due to the lowest metal content and overabundance of surface acidic functional groups in this adsorbent.</description><identifier>ISSN: 0043-1354</identifier><identifier>EISSN: 1879-2448</identifier><identifier>DOI: 10.1016/j.watres.2010.09.008</identifier><identifier>PMID: 20884038</identifier><identifier>CODEN: WATRAG</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Acidic surface functional groups ; activated carbon ; Adsorbents ; Adsorption ; aluminum ; Aluminum - analysis ; Aluminum Compounds ; Applied sciences ; Biological ; Charcoal ; Chemical sludge ; Chlorides ; crystal structure ; Exact sciences and technology ; Ferric Compounds ; Functional groups ; Hybrid sludge ; hybrids ; Hydroxyapatite ; Iron - analysis ; Metal-oxides ; Metals - analysis ; Microscopy, Electron, Scanning ; Pollution ; Pore size distribution ; Porosity ; Sewage - chemistry ; Sludge ; Sludge-based adsorbent ; surface area ; Surface chemistry ; Surface Properties ; Waste Disposal, Fluid - methods ; Waste water ; wastewater ; Wastewater treatment ; Water treatment and pollution</subject><ispartof>Water research (Oxford), 2011-01, Vol.45 (2), p.819-827</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2010 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c480t-d3dee284fc1b21e2042666b1f843883432d7fbc3980f8df251983968ca5056273</citedby><cites>FETCH-LOGICAL-c480t-d3dee284fc1b21e2042666b1f843883432d7fbc3980f8df251983968ca5056273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.watres.2010.09.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23750746$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20884038$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pan, Zhi-hui</creatorcontrib><creatorcontrib>Tian, Jia-yu</creatorcontrib><creatorcontrib>Xu, Guo-ren</creatorcontrib><creatorcontrib>Li, Jun-jing</creatorcontrib><creatorcontrib>Li, Gui-bai</creatorcontrib><title>Characteristics of adsorbents made from biological, chemical and hybrid sludges and their effect on organics removal in wastewater treatment</title><title>Water research (Oxford)</title><addtitle>Water Res</addtitle><description>Meso-macropore adsorbents were prepared from biological sludge, chemical sludge and hybrid sludge of biological and chemical sludges, by chemically activating with 18.0 M H2SO4 in the mass ratio of 1:3, and then pyrolyzing at 550 °C for 1 h in anoxic atmosphere. The physical and chemical characteristics of the sludge-based adsorbents were examined in terms of surface physical morphology, specific surface area and pore size distribution, aluminum and iron contents, surface functional groups and crystal structure. Furthermore, the adsorption effect of these adsorbents on the organic substances in wastewater was also investigated. The results indicated that the adsorption capacities of the sludge-based adsorbents for UV254 were lower than that of commercial activated carbon (AC), whereas the adsorption capacities of the adsorbents prepared from hybrid sludge (HA) and chemical sludge (CA) for soluble CODCr (SCODCr) were comparable or even higher than that of the commercial AC. The reasons might be that the HA and CA possessed well-developed mesopore and macropore structure, as well as abundant acidic surface functional groups. However, the lowest adsorption efficiency was observed for the biological sludge-based adsorbent, which might be due to the lowest metal content and overabundance of surface acidic functional groups in this adsorbent.</description><subject>Acidic surface functional groups</subject><subject>activated carbon</subject><subject>Adsorbents</subject><subject>Adsorption</subject><subject>aluminum</subject><subject>Aluminum - analysis</subject><subject>Aluminum Compounds</subject><subject>Applied sciences</subject><subject>Biological</subject><subject>Charcoal</subject><subject>Chemical sludge</subject><subject>Chlorides</subject><subject>crystal structure</subject><subject>Exact sciences and technology</subject><subject>Ferric Compounds</subject><subject>Functional groups</subject><subject>Hybrid sludge</subject><subject>hybrids</subject><subject>Hydroxyapatite</subject><subject>Iron - analysis</subject><subject>Metal-oxides</subject><subject>Metals - analysis</subject><subject>Microscopy, Electron, Scanning</subject><subject>Pollution</subject><subject>Pore size distribution</subject><subject>Porosity</subject><subject>Sewage - chemistry</subject><subject>Sludge</subject><subject>Sludge-based adsorbent</subject><subject>surface area</subject><subject>Surface chemistry</subject><subject>Surface Properties</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Waste water</subject><subject>wastewater</subject><subject>Wastewater treatment</subject><subject>Water treatment and pollution</subject><issn>0043-1354</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkstu1DAUQC0EokPhDxB4g2BBhutHEmdTCY14SZVYQNeWY1_PeJTExc606j_w0XjIALuysnV17kvnEvKcwZoBa97t17dmTpjXHEoIujWAekBWTLVdxaVUD8kKQIqKiVqekSc57wGAc9E9JmcclJIg1Ir83OxMMnbGFPIcbKbRU-NyTD1Oc6ajcUh9iiPtQxziNlgzvKV2h-PxR83k6O6uT8HRPBzcFvPv0LzDkCh6j3amcaIxbc10LJ5wjDclL0z01uQZywaYaNnCzGPp95Q88mbI-Oz0npOrjx--bz5Xl18_fdm8v6ysVDBXTjhErqS3rOcMOUjeNE3PvJJCKSEFd63vregUeOU8r1mnRNcoa2qoG96Kc_J6qXud4o8D5lmPIVscBjNhPGStGimhE1L-n-RMqq7ULuSbe0nWtiDKSJIXVC6oTTHnhF5fpzCadKcZ6KNbvdeLW310q6HTxW1Je3HqcOhHdH-T_sgswKsTYHKx45OZbMj_ONHW0MqmcC8XzpuozbaY11ffSqe6HAiDWtWFuFgILBZuAiadbcDJogupONUuhvtn_QW4f85h</recordid><startdate>201101</startdate><enddate>201101</enddate><creator>Pan, Zhi-hui</creator><creator>Tian, Jia-yu</creator><creator>Xu, Guo-ren</creator><creator>Li, Jun-jing</creator><creator>Li, Gui-bai</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7X8</scope><scope>7QH</scope><scope>7QO</scope><scope>7ST</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>201101</creationdate><title>Characteristics of adsorbents made from biological, chemical and hybrid sludges and their effect on organics removal in wastewater treatment</title><author>Pan, Zhi-hui ; Tian, Jia-yu ; Xu, Guo-ren ; Li, Jun-jing ; Li, Gui-bai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-d3dee284fc1b21e2042666b1f843883432d7fbc3980f8df251983968ca5056273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Acidic surface functional groups</topic><topic>activated carbon</topic><topic>Adsorbents</topic><topic>Adsorption</topic><topic>aluminum</topic><topic>Aluminum - analysis</topic><topic>Aluminum Compounds</topic><topic>Applied sciences</topic><topic>Biological</topic><topic>Charcoal</topic><topic>Chemical sludge</topic><topic>Chlorides</topic><topic>crystal structure</topic><topic>Exact sciences and technology</topic><topic>Ferric Compounds</topic><topic>Functional groups</topic><topic>Hybrid sludge</topic><topic>hybrids</topic><topic>Hydroxyapatite</topic><topic>Iron - analysis</topic><topic>Metal-oxides</topic><topic>Metals - analysis</topic><topic>Microscopy, Electron, Scanning</topic><topic>Pollution</topic><topic>Pore size distribution</topic><topic>Porosity</topic><topic>Sewage - chemistry</topic><topic>Sludge</topic><topic>Sludge-based adsorbent</topic><topic>surface area</topic><topic>Surface chemistry</topic><topic>Surface Properties</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Waste water</topic><topic>wastewater</topic><topic>Wastewater treatment</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Zhi-hui</creatorcontrib><creatorcontrib>Tian, Jia-yu</creatorcontrib><creatorcontrib>Xu, Guo-ren</creatorcontrib><creatorcontrib>Li, Jun-jing</creatorcontrib><creatorcontrib>Li, Gui-bai</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environmental Engineering 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>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Water research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Zhi-hui</au><au>Tian, Jia-yu</au><au>Xu, Guo-ren</au><au>Li, Jun-jing</au><au>Li, Gui-bai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characteristics of adsorbents made from biological, chemical and hybrid sludges and their effect on organics removal in wastewater treatment</atitle><jtitle>Water research (Oxford)</jtitle><addtitle>Water Res</addtitle><date>2011-01</date><risdate>2011</risdate><volume>45</volume><issue>2</issue><spage>819</spage><epage>827</epage><pages>819-827</pages><issn>0043-1354</issn><eissn>1879-2448</eissn><coden>WATRAG</coden><abstract>Meso-macropore adsorbents were prepared from biological sludge, chemical sludge and hybrid sludge of biological and chemical sludges, by chemically activating with 18.0 M H2SO4 in the mass ratio of 1:3, and then pyrolyzing at 550 °C for 1 h in anoxic atmosphere. The physical and chemical characteristics of the sludge-based adsorbents were examined in terms of surface physical morphology, specific surface area and pore size distribution, aluminum and iron contents, surface functional groups and crystal structure. Furthermore, the adsorption effect of these adsorbents on the organic substances in wastewater was also investigated. The results indicated that the adsorption capacities of the sludge-based adsorbents for UV254 were lower than that of commercial activated carbon (AC), whereas the adsorption capacities of the adsorbents prepared from hybrid sludge (HA) and chemical sludge (CA) for soluble CODCr (SCODCr) were comparable or even higher than that of the commercial AC. The reasons might be that the HA and CA possessed well-developed mesopore and macropore structure, as well as abundant acidic surface functional groups. However, the lowest adsorption efficiency was observed for the biological sludge-based adsorbent, which might be due to the lowest metal content and overabundance of surface acidic functional groups in this adsorbent.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>20884038</pmid><doi>10.1016/j.watres.2010.09.008</doi><tpages>9</tpages></addata></record> |
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| subjects | Acidic surface functional groups activated carbon Adsorbents Adsorption aluminum Aluminum - analysis Aluminum Compounds Applied sciences Biological Charcoal Chemical sludge Chlorides crystal structure Exact sciences and technology Ferric Compounds Functional groups Hybrid sludge hybrids Hydroxyapatite Iron - analysis Metal-oxides Metals - analysis Microscopy, Electron, Scanning Pollution Pore size distribution Porosity Sewage - chemistry Sludge Sludge-based adsorbent surface area Surface chemistry Surface Properties Waste Disposal, Fluid - methods Waste water wastewater Wastewater treatment Water treatment and pollution |
| title | Characteristics of adsorbents made from biological, chemical and hybrid sludges and their effect on organics removal in wastewater treatment |
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