Alum sludge conditioning with ferrous iron/peroxymonosulfate oxidation: Characterization and mechanism
Alum sludge produced by drinking water plants needs to be conditioned and dewatered before final disposal. In this study, a novel ferrous iron/peroxymonosulfate (PMS) oxidation process was employed to enhance alum sludge dewaterability The effect of oxidative sulfate radicals generated by Fe 2+ acti...
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| Veröffentlicht in: | The Korean journal of chemical engineering 2020, 37(4), 241, pp.663-669 |
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| container_title | The Korean journal of chemical engineering |
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| creator | Zhou, Xu Jin, Wenbiao Wang, Lan Che, Lin Chen, Chuan Li, Shao-feng Wang, Xue-Ting Tu, Renjie Han, Song-Fang Feng, Xiaochi Ren, Nan-Qi |
| description | Alum sludge produced by drinking water plants needs to be conditioned and dewatered before final disposal. In this study, a novel ferrous iron/peroxymonosulfate (PMS) oxidation process was employed to enhance alum sludge dewaterability The effect of oxidative sulfate radicals generated by Fe
2+
activated HSO
5
−
on alum sludge was studied. The results showed that the optimal conditioning conditions for addition of Fe
2+
and PMS were 0.5 g/g and 0.1 g/g TSS, respectively. Meanwhile, the capillary suction time (CST) and specific resistance to filtration (SRF) of alum sludge was reduced by 66% and 88%. Also found was that the absolute value of the zeta potential increased and the particle size decreased in alum sludge after Fe
2
+
-PMS conditioning, which indicated that oxidative sulfate radicals destroyed the floc structure of alum sludge and smaller particles were generated. At the same time, the water contained in sludge flocs was released and enhanced sludge dewaterability, while leaching of aluminum ions also characterized decomposition of alum sludge. |
| doi_str_mv | 10.1007/s11814-019-0457-x |
| format | Article |
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2+
activated HSO
5
−
on alum sludge was studied. The results showed that the optimal conditioning conditions for addition of Fe
2+
and PMS were 0.5 g/g and 0.1 g/g TSS, respectively. Meanwhile, the capillary suction time (CST) and specific resistance to filtration (SRF) of alum sludge was reduced by 66% and 88%. Also found was that the absolute value of the zeta potential increased and the particle size decreased in alum sludge after Fe
2
+
-PMS conditioning, which indicated that oxidative sulfate radicals destroyed the floc structure of alum sludge and smaller particles were generated. At the same time, the water contained in sludge flocs was released and enhanced sludge dewaterability, while leaching of aluminum ions also characterized decomposition of alum sludge.</description><identifier>ISSN: 0256-1115</identifier><identifier>EISSN: 1975-7220</identifier><identifier>DOI: 10.1007/s11814-019-0457-x</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Alum ; Aluminum ; Biotechnology ; Catalysis ; Chemistry ; Chemistry and Materials Science ; Chemistry, Multidisciplinary ; Conditioning ; Drinking water ; Engineering ; Engineering, Chemical ; Ferrous ions ; Industrial Chemistry/Chemical Engineering ; Iron ; Leaching ; Materials Science ; Oxidation ; Physical Sciences ; Radicals ; Science & Technology ; Sludge ; Suction ; Technology ; Zeta potential ; 화학공학</subject><ispartof>Korean Journal of Chemical Engineering, 2020, 37(4), 241, pp.663-669</ispartof><rights>Korean Institute of Chemical Engineering (KIChE) 2020</rights><rights>Korean Institute of Chemical Engineering (KIChE) 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>7</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000525674400011</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c387t-69db30a34e96ea2025bcfb41ff46f3509a492eeea08ce75985a68332bbef36433</citedby><cites>FETCH-LOGICAL-c387t-69db30a34e96ea2025bcfb41ff46f3509a492eeea08ce75985a68332bbef36433</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11814-019-0457-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11814-019-0457-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27928,27929,41492,42561,51323</link.rule.ids><backlink>$$Uhttps://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002568469$$DAccess content in National Research Foundation of Korea (NRF)$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhou, Xu</creatorcontrib><creatorcontrib>Jin, Wenbiao</creatorcontrib><creatorcontrib>Wang, Lan</creatorcontrib><creatorcontrib>Che, Lin</creatorcontrib><creatorcontrib>Chen, Chuan</creatorcontrib><creatorcontrib>Li, Shao-feng</creatorcontrib><creatorcontrib>Wang, Xue-Ting</creatorcontrib><creatorcontrib>Tu, Renjie</creatorcontrib><creatorcontrib>Han, Song-Fang</creatorcontrib><creatorcontrib>Feng, Xiaochi</creatorcontrib><creatorcontrib>Ren, Nan-Qi</creatorcontrib><title>Alum sludge conditioning with ferrous iron/peroxymonosulfate oxidation: Characterization and mechanism</title><title>The Korean journal of chemical engineering</title><addtitle>Korean J. Chem. Eng</addtitle><addtitle>KOREAN J CHEM ENG</addtitle><description>Alum sludge produced by drinking water plants needs to be conditioned and dewatered before final disposal. In this study, a novel ferrous iron/peroxymonosulfate (PMS) oxidation process was employed to enhance alum sludge dewaterability The effect of oxidative sulfate radicals generated by Fe
2+
activated HSO
5
−
on alum sludge was studied. The results showed that the optimal conditioning conditions for addition of Fe
2+
and PMS were 0.5 g/g and 0.1 g/g TSS, respectively. Meanwhile, the capillary suction time (CST) and specific resistance to filtration (SRF) of alum sludge was reduced by 66% and 88%. Also found was that the absolute value of the zeta potential increased and the particle size decreased in alum sludge after Fe
2
+
-PMS conditioning, which indicated that oxidative sulfate radicals destroyed the floc structure of alum sludge and smaller particles were generated. At the same time, the water contained in sludge flocs was released and enhanced sludge dewaterability, while leaching of aluminum ions also characterized decomposition of alum sludge.</description><subject>Alum</subject><subject>Aluminum</subject><subject>Biotechnology</subject><subject>Catalysis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry, Multidisciplinary</subject><subject>Conditioning</subject><subject>Drinking water</subject><subject>Engineering</subject><subject>Engineering, Chemical</subject><subject>Ferrous ions</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Iron</subject><subject>Leaching</subject><subject>Materials Science</subject><subject>Oxidation</subject><subject>Physical Sciences</subject><subject>Radicals</subject><subject>Science & Technology</subject><subject>Sludge</subject><subject>Suction</subject><subject>Technology</subject><subject>Zeta potential</subject><subject>화학공학</subject><issn>0256-1115</issn><issn>1975-7220</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><recordid>eNqNkV1rFDEUhoei4Fr9Ad4FeiUyNp8ziXfLYGuhUCj1OmQyJ7tpd5I1maFbf73ZHdErwasTwvMe3jypqg8EfyYYt5eZEEl4jYmqMRdtfTirVkS1om4pxa-qFaaiqQkh4k31NudHjIVoKF5Vbr2bR5R387ABZGMY_ORj8GGDnv20RQ5SinNGPsVwuYcUDy9jDDHPO2cmQPHgB3MMfEHd1iRjJ0j-5-kGmTCgEezWBJ_Hd9VrZ3YZ3v-e59X3q68P3bf69u76plvf1pbJdqobNfQMG8ZBNWBoKd1b13PiHG8cE1gZrigAGCwttEJJYRrJGO17cKzhjJ1XH5e9ITn9ZL2Oxp_mJuqnpNf3Dze6pZIpyQt7sbD7FH_MkCf9GOcUSj1NmZSYNooeN5KFsinmnMDpffKjSS-aYH1Urxf1uqjXR_X6UDJyyTxDH122HoKFPzlc5JffaDkvJ0I6P52EdXEOU4l--v9ooelC50KEDaS_T_h3u1899amV</recordid><startdate>20200401</startdate><enddate>20200401</enddate><creator>Zhou, Xu</creator><creator>Jin, Wenbiao</creator><creator>Wang, Lan</creator><creator>Che, Lin</creator><creator>Chen, Chuan</creator><creator>Li, Shao-feng</creator><creator>Wang, Xue-Ting</creator><creator>Tu, Renjie</creator><creator>Han, Song-Fang</creator><creator>Feng, Xiaochi</creator><creator>Ren, Nan-Qi</creator><general>Springer US</general><general>Korean Institute Chemical Engineers</general><general>Springer Nature B.V</general><general>한국화학공학회</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ACYCR</scope></search><sort><creationdate>20200401</creationdate><title>Alum sludge conditioning with ferrous iron/peroxymonosulfate oxidation: Characterization and mechanism</title><author>Zhou, Xu ; Jin, Wenbiao ; Wang, Lan ; Che, Lin ; Chen, Chuan ; Li, Shao-feng ; Wang, Xue-Ting ; Tu, Renjie ; Han, Song-Fang ; Feng, Xiaochi ; Ren, Nan-Qi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-69db30a34e96ea2025bcfb41ff46f3509a492eeea08ce75985a68332bbef36433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alum</topic><topic>Aluminum</topic><topic>Biotechnology</topic><topic>Catalysis</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry, Multidisciplinary</topic><topic>Conditioning</topic><topic>Drinking water</topic><topic>Engineering</topic><topic>Engineering, Chemical</topic><topic>Ferrous ions</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Iron</topic><topic>Leaching</topic><topic>Materials Science</topic><topic>Oxidation</topic><topic>Physical Sciences</topic><topic>Radicals</topic><topic>Science & Technology</topic><topic>Sludge</topic><topic>Suction</topic><topic>Technology</topic><topic>Zeta potential</topic><topic>화학공학</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Xu</creatorcontrib><creatorcontrib>Jin, Wenbiao</creatorcontrib><creatorcontrib>Wang, Lan</creatorcontrib><creatorcontrib>Che, Lin</creatorcontrib><creatorcontrib>Chen, Chuan</creatorcontrib><creatorcontrib>Li, Shao-feng</creatorcontrib><creatorcontrib>Wang, Xue-Ting</creatorcontrib><creatorcontrib>Tu, Renjie</creatorcontrib><creatorcontrib>Han, Song-Fang</creatorcontrib><creatorcontrib>Feng, Xiaochi</creatorcontrib><creatorcontrib>Ren, Nan-Qi</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>CrossRef</collection><collection>Korean Citation Index</collection><jtitle>The Korean journal of chemical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Xu</au><au>Jin, Wenbiao</au><au>Wang, Lan</au><au>Che, Lin</au><au>Chen, Chuan</au><au>Li, Shao-feng</au><au>Wang, Xue-Ting</au><au>Tu, Renjie</au><au>Han, Song-Fang</au><au>Feng, Xiaochi</au><au>Ren, Nan-Qi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Alum sludge conditioning with ferrous iron/peroxymonosulfate oxidation: Characterization and mechanism</atitle><jtitle>The Korean journal of chemical engineering</jtitle><stitle>Korean J. Chem. Eng</stitle><stitle>KOREAN J CHEM ENG</stitle><date>2020-04-01</date><risdate>2020</risdate><volume>37</volume><issue>4</issue><spage>663</spage><epage>669</epage><pages>663-669</pages><issn>0256-1115</issn><eissn>1975-7220</eissn><abstract>Alum sludge produced by drinking water plants needs to be conditioned and dewatered before final disposal. In this study, a novel ferrous iron/peroxymonosulfate (PMS) oxidation process was employed to enhance alum sludge dewaterability The effect of oxidative sulfate radicals generated by Fe
2+
activated HSO
5
−
on alum sludge was studied. The results showed that the optimal conditioning conditions for addition of Fe
2+
and PMS were 0.5 g/g and 0.1 g/g TSS, respectively. Meanwhile, the capillary suction time (CST) and specific resistance to filtration (SRF) of alum sludge was reduced by 66% and 88%. Also found was that the absolute value of the zeta potential increased and the particle size decreased in alum sludge after Fe
2
+
-PMS conditioning, which indicated that oxidative sulfate radicals destroyed the floc structure of alum sludge and smaller particles were generated. At the same time, the water contained in sludge flocs was released and enhanced sludge dewaterability, while leaching of aluminum ions also characterized decomposition of alum sludge.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11814-019-0457-x</doi><tpages>7</tpages></addata></record> |
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| language | eng |
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| source | SpringerNature Journals |
| subjects | Alum Aluminum Biotechnology Catalysis Chemistry Chemistry and Materials Science Chemistry, Multidisciplinary Conditioning Drinking water Engineering Engineering, Chemical Ferrous ions Industrial Chemistry/Chemical Engineering Iron Leaching Materials Science Oxidation Physical Sciences Radicals Science & Technology Sludge Suction Technology Zeta potential 화학공학 |
| title | Alum sludge conditioning with ferrous iron/peroxymonosulfate oxidation: Characterization and mechanism |
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