Development of an efficient electroflocculation technology integrated with dispersed-air flotation for harvesting microalgae
BACKGROUND: Various methods, including centrifugation, filtration, electroflocculation, flocculation and flotation, have been developed for harvesting microalgae. However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and runni...
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| Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2010-11, Vol.85 (11), p.1504-1507 |
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| container_title | Journal of chemical technology and biotechnology (1986) |
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| creator | Xu, Ling Wang, Feng Li, Hua-Zhong Hu, Zan-Min Guo, Chen Liu, Chun-Zhao |
| description | BACKGROUND: Various methods, including centrifugation, filtration, electroflocculation, flocculation and flotation, have been developed for harvesting microalgae. However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and running costs, flocculant toxicity or low separation efficiency. Therefore, there is great interest in developing new efficient approaches for harvesting microalgae.RESULT: An efficient electroflocculation method integrated with dispersed-air flotation has been developed for harvesting Botryococcus braunii. The recovery efficiency of B. braunii reached 93.6% after 30 min using an electroflocculation process. Microalgae recovery was improved significantly when the electroflocculation process was integrated with dispersed-air flotation; the recovery efficiency of B. braunii reached 98.9% after 14 min.CONCLUSION: The present work demonstrated that electroflocculation integrated with dispersed-air flotation is a promising method suitable for microalgae harvesting. The strategic air supply obviously shortened the algal recovery time in the process of electroflocculation due to facilitating algal aggregation and flotation to the solution surface. Copyright |
| doi_str_mv | 10.1002/jctb.2457 |
| format | Article |
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However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and running costs, flocculant toxicity or low separation efficiency. Therefore, there is great interest in developing new efficient approaches for harvesting microalgae.RESULT: An efficient electroflocculation method integrated with dispersed-air flotation has been developed for harvesting Botryococcus braunii. The recovery efficiency of B. braunii reached 93.6% after 30 min using an electroflocculation process. Microalgae recovery was improved significantly when the electroflocculation process was integrated with dispersed-air flotation; the recovery efficiency of B. braunii reached 98.9% after 14 min.CONCLUSION: The present work demonstrated that electroflocculation integrated with dispersed-air flotation is a promising method suitable for microalgae harvesting. The strategic air supply obviously shortened the algal recovery time in the process of electroflocculation due to facilitating algal aggregation and flotation to the solution surface. Copyright</description><identifier>ISSN: 0268-2575</identifier><identifier>ISSN: 1097-4660</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.2457</identifier><identifier>CODEN: JCTBDC</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>algal aggregation ; Applied sciences ; Biotechnology ; Botryococcus braunii ; Chemical engineering ; Chemical technology ; dispersed air flotation ; Dispersion ; electroflocculation ; Exact sciences and technology ; Filtration ; Flotation ; Harvesting ; Liquid-liquid and fluid-solid mechanical separations ; microalgae recovery ; Recovery ; Running ; Solid-solid systems ; Toxicity</subject><ispartof>Journal of chemical technology and biotechnology (1986), 2010-11, Vol.85 (11), p.1504-1507</ispartof><rights>Copyright © 2010 Society of Chemical Industry</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4617-fa328ccaf3936a0d4a17307f9aeb82fd71ba6e3828700b361e928c0f83c9f4f3</citedby><cites>FETCH-LOGICAL-c4617-fa328ccaf3936a0d4a17307f9aeb82fd71ba6e3828700b361e928c0f83c9f4f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjctb.2457$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjctb.2457$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23357146$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Ling</creatorcontrib><creatorcontrib>Wang, Feng</creatorcontrib><creatorcontrib>Li, Hua-Zhong</creatorcontrib><creatorcontrib>Hu, Zan-Min</creatorcontrib><creatorcontrib>Guo, Chen</creatorcontrib><creatorcontrib>Liu, Chun-Zhao</creatorcontrib><title>Development of an efficient electroflocculation technology integrated with dispersed-air flotation for harvesting microalgae</title><title>Journal of chemical technology and biotechnology (1986)</title><addtitle>J. Chem. Technol. Biotechnol</addtitle><description>BACKGROUND: Various methods, including centrifugation, filtration, electroflocculation, flocculation and flotation, have been developed for harvesting microalgae. However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and running costs, flocculant toxicity or low separation efficiency. Therefore, there is great interest in developing new efficient approaches for harvesting microalgae.RESULT: An efficient electroflocculation method integrated with dispersed-air flotation has been developed for harvesting Botryococcus braunii. The recovery efficiency of B. braunii reached 93.6% after 30 min using an electroflocculation process. Microalgae recovery was improved significantly when the electroflocculation process was integrated with dispersed-air flotation; the recovery efficiency of B. braunii reached 98.9% after 14 min.CONCLUSION: The present work demonstrated that electroflocculation integrated with dispersed-air flotation is a promising method suitable for microalgae harvesting. The strategic air supply obviously shortened the algal recovery time in the process of electroflocculation due to facilitating algal aggregation and flotation to the solution surface. Copyright</description><subject>algal aggregation</subject><subject>Applied sciences</subject><subject>Biotechnology</subject><subject>Botryococcus braunii</subject><subject>Chemical engineering</subject><subject>Chemical technology</subject><subject>dispersed air flotation</subject><subject>Dispersion</subject><subject>electroflocculation</subject><subject>Exact sciences and technology</subject><subject>Filtration</subject><subject>Flotation</subject><subject>Harvesting</subject><subject>Liquid-liquid and fluid-solid mechanical separations</subject><subject>microalgae recovery</subject><subject>Recovery</subject><subject>Running</subject><subject>Solid-solid systems</subject><subject>Toxicity</subject><issn>0268-2575</issn><issn>1097-4660</issn><issn>1097-4660</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kc1u1DAUhSMEEkNhwROQDQIWaf2T2MmSDrSAKlgQfsTGuuNcZ1w88WB7Wkbi4fEoo-5gZVn6zud7fYriKSWnlBB2dq3T6pTVjbxXLCjpZFULQe4XC8JEW7FGNg-LRzFeE0JEy8Si-PMGb9D57QanVHpTwlSiMVbbwx0d6hS8cV7rnYNk_VQm1OvJOz_uSzslHAMkHMpbm9blYOMWQ8ShAhvKnEpzxPhQriHcYEx2GsuN1cGDGwEfFw8MuIhPjudJ0V-87ZfvqqtPl--Xr68qXQsqKwOctVqD4R0XQIYaqOREmg5w1TIzSLoCgbxlrSRkxQXFLvPEtFx3pjb8pHgxa7fB_9rlKdTGRo3OwYR-F1Xb8vw9siWZfPlfkkopaSMIFxl9NaN5mRgDGrUNdgNhryhRhyrUoQp1qCKzz49aiBqcCTBpG-8CjPNG0vrgPJu5W-tw_2-h-rDsz4_mak7YmPD3XQLCTyUkl4369vFS9ReM1z_6r-p75p_NvAGvYAx5ii-fGaGc0C4_wQj_C7QRs54</recordid><startdate>201011</startdate><enddate>201011</enddate><creator>Xu, Ling</creator><creator>Wang, Feng</creator><creator>Li, Hua-Zhong</creator><creator>Hu, Zan-Min</creator><creator>Guo, Chen</creator><creator>Liu, Chun-Zhao</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>7U5</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope><scope>7QO</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>201011</creationdate><title>Development of an efficient electroflocculation technology integrated with dispersed-air flotation for harvesting microalgae</title><author>Xu, Ling ; Wang, Feng ; Li, Hua-Zhong ; Hu, Zan-Min ; Guo, Chen ; Liu, Chun-Zhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4617-fa328ccaf3936a0d4a17307f9aeb82fd71ba6e3828700b361e928c0f83c9f4f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>algal aggregation</topic><topic>Applied sciences</topic><topic>Biotechnology</topic><topic>Botryococcus braunii</topic><topic>Chemical engineering</topic><topic>Chemical technology</topic><topic>dispersed air flotation</topic><topic>Dispersion</topic><topic>electroflocculation</topic><topic>Exact sciences and technology</topic><topic>Filtration</topic><topic>Flotation</topic><topic>Harvesting</topic><topic>Liquid-liquid and fluid-solid mechanical separations</topic><topic>microalgae recovery</topic><topic>Recovery</topic><topic>Running</topic><topic>Solid-solid systems</topic><topic>Toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Ling</creatorcontrib><creatorcontrib>Wang, Feng</creatorcontrib><creatorcontrib>Li, Hua-Zhong</creatorcontrib><creatorcontrib>Hu, Zan-Min</creatorcontrib><creatorcontrib>Guo, Chen</creatorcontrib><creatorcontrib>Liu, Chun-Zhao</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Biotechnology Research Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Ling</au><au>Wang, Feng</au><au>Li, Hua-Zhong</au><au>Hu, Zan-Min</au><au>Guo, Chen</au><au>Liu, Chun-Zhao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Development of an efficient electroflocculation technology integrated with dispersed-air flotation for harvesting microalgae</atitle><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle><addtitle>J. Chem. Technol. Biotechnol</addtitle><date>2010-11</date><risdate>2010</risdate><volume>85</volume><issue>11</issue><spage>1504</spage><epage>1507</epage><pages>1504-1507</pages><issn>0268-2575</issn><issn>1097-4660</issn><eissn>1097-4660</eissn><coden>JCTBDC</coden><abstract>BACKGROUND: Various methods, including centrifugation, filtration, electroflocculation, flocculation and flotation, have been developed for harvesting microalgae. However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and running costs, flocculant toxicity or low separation efficiency. Therefore, there is great interest in developing new efficient approaches for harvesting microalgae.RESULT: An efficient electroflocculation method integrated with dispersed-air flotation has been developed for harvesting Botryococcus braunii. The recovery efficiency of B. braunii reached 93.6% after 30 min using an electroflocculation process. Microalgae recovery was improved significantly when the electroflocculation process was integrated with dispersed-air flotation; the recovery efficiency of B. braunii reached 98.9% after 14 min.CONCLUSION: The present work demonstrated that electroflocculation integrated with dispersed-air flotation is a promising method suitable for microalgae harvesting. The strategic air supply obviously shortened the algal recovery time in the process of electroflocculation due to facilitating algal aggregation and flotation to the solution surface. Copyright</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.2457</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0268-2575 |
| ispartof | Journal of chemical technology and biotechnology (1986), 2010-11, Vol.85 (11), p.1504-1507 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_883026780 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | algal aggregation Applied sciences Biotechnology Botryococcus braunii Chemical engineering Chemical technology dispersed air flotation Dispersion electroflocculation Exact sciences and technology Filtration Flotation Harvesting Liquid-liquid and fluid-solid mechanical separations microalgae recovery Recovery Running Solid-solid systems Toxicity |
| title | Development of an efficient electroflocculation technology integrated with dispersed-air flotation for harvesting microalgae |
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