Effect of ozone and permanganate on algae coagulation removal – Pilot and bench scale tests
Both pilot and laboratory scale experiments are conducted to compare the effect of ozone and permanganate preoxidation on algae removal by alum coagulation. Both appropriately dosed preoxidants are shown to be beneficial to algae coagulation removal. This may be attributed to a decrease in cell stab...
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| Veröffentlicht in: | Chemosphere (Oxford) 2009-02, Vol.74 (6), p.840-846 |
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| creator | Chen, Jen-Jeng Yeh, Hsuan-Hsien Tseng, I-Cheng |
| description | Both pilot and laboratory scale experiments are conducted to compare the effect of ozone and permanganate preoxidation on algae removal by alum coagulation. Both appropriately dosed preoxidants are shown to be beneficial to algae coagulation removal. This may be attributed to a decrease in cell stability; however, overdosing may cause cell lysis and the release of organics, which could interfere with algae cell coagulation. The presence of calcium further enhances the beneficial effect of preoxidation on algae coagulation; however, this phenomenon is more significant for using permanganate than ozone. It is speculated that this is due to the fact that the positively charged calcium ions can serve as bridges to hold the negatively charged MnO
2 and algal cells together. Further, this behavior also explains the superior performance of permanganate preoxidation compared to that obtained using ozone for algae coagulation removal in pilot testing, as the source water contains high calcium content. |
| doi_str_mv | 10.1016/j.chemosphere.2008.10.009 |
| format | Article |
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2 and algal cells together. Further, this behavior also explains the superior performance of permanganate preoxidation compared to that obtained using ozone for algae coagulation removal in pilot testing, as the source water contains high calcium content.</description><subject>Algae</subject><subject>Alum Compounds - pharmacology</subject><subject>Applied sciences</subject><subject>Calcium - pharmacology</subject><subject>Coagulation</subject><subject>Eukaryota - drug effects</subject><subject>Eukaryota - isolation & purification</subject><subject>Exact sciences and technology</subject><subject>Manganese Compounds - pharmacology</subject><subject>Microscopy, Electron, Scanning</subject><subject>Oxidants - pharmacology</subject><subject>Oxidation-Reduction</subject><subject>Oxides - pharmacology</subject><subject>Ozone</subject><subject>Ozone - pharmacology</subject><subject>Permanganate</subject><subject>Pilot Projects</subject><subject>Pollution</subject><subject>Water Purification - methods</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkcFuEzEQhi0EoqHwCsg9wG2D7dje9RFFLVSqVA5wRNbEHieOdtfB3lQqJ96hb9gnwSER5cjJ0vj7PTOfCbngbM4Z1x-2c7fBIZXdBjPOBWNdrc8ZM8_IjHetabgw3XMyY0yqRquFOiOvStkyVsPKvCRn3LBOCs1m5PtlCOgmmgJNP9OIFEZPd5gHGNcwwoQ0jRT6NSB1Cdb7HqZYK7m2v4OePv56oF9in6Y_uRWObkOLgx7phGUqr8mLAH3BN6fznHy7uvy6_Nzc3H66Xn68aZxiYmokGN96xbvAVKuwlcYZ7lUdDLTUzHijRevRaYFcaq8whBV6KdrAu4ULuDgn74_v7nL6sa-d7RCLw76HEdO-WMHqsl0nK2iOoMuplIzB7nIcIN9bzuzBrd3af9zag9vDVXVbs29PTfarAf1T8iSzAu9OABwchAyji-UvJ7iSRmtdueWRw6rkLmK2xcWqDn3M9S-sT_E_xvkN05yflw</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Chen, Jen-Jeng</creator><creator>Yeh, Hsuan-Hsien</creator><creator>Tseng, I-Cheng</creator><general>Elsevier Ltd</general><general>Elsevier</general><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>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>M7N</scope></search><sort><creationdate>20090201</creationdate><title>Effect of ozone and permanganate on algae coagulation removal – Pilot and bench scale tests</title><author>Chen, Jen-Jeng ; Yeh, Hsuan-Hsien ; Tseng, I-Cheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c502t-4a9d7d518f0575e749c91d5feca64609d9627dec62e146d5effbed427f183cfe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Algae</topic><topic>Alum Compounds - pharmacology</topic><topic>Applied sciences</topic><topic>Calcium - pharmacology</topic><topic>Coagulation</topic><topic>Eukaryota - drug effects</topic><topic>Eukaryota - isolation & purification</topic><topic>Exact sciences and technology</topic><topic>Manganese Compounds - pharmacology</topic><topic>Microscopy, Electron, Scanning</topic><topic>Oxidants - pharmacology</topic><topic>Oxidation-Reduction</topic><topic>Oxides - pharmacology</topic><topic>Ozone</topic><topic>Ozone - pharmacology</topic><topic>Permanganate</topic><topic>Pilot Projects</topic><topic>Pollution</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Jen-Jeng</creatorcontrib><creatorcontrib>Yeh, Hsuan-Hsien</creatorcontrib><creatorcontrib>Tseng, I-Cheng</creatorcontrib><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>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Jen-Jeng</au><au>Yeh, Hsuan-Hsien</au><au>Tseng, I-Cheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of ozone and permanganate on algae coagulation removal – Pilot and bench scale tests</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2009-02-01</date><risdate>2009</risdate><volume>74</volume><issue>6</issue><spage>840</spage><epage>846</epage><pages>840-846</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><coden>CMSHAF</coden><abstract>Both pilot and laboratory scale experiments are conducted to compare the effect of ozone and permanganate preoxidation on algae removal by alum coagulation. 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| ispartof | Chemosphere (Oxford), 2009-02, Vol.74 (6), p.840-846 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Algae Alum Compounds - pharmacology Applied sciences Calcium - pharmacology Coagulation Eukaryota - drug effects Eukaryota - isolation & purification Exact sciences and technology Manganese Compounds - pharmacology Microscopy, Electron, Scanning Oxidants - pharmacology Oxidation-Reduction Oxides - pharmacology Ozone Ozone - pharmacology Permanganate Pilot Projects Pollution Water Purification - methods |
| title | Effect of ozone and permanganate on algae coagulation removal – Pilot and bench scale tests |
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