Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers
The feasibility of improving mass transfer characteristics of inclined tubular photobioreactors by installation of static mixers was investigated. The mass transfer characteristics of the tubular photobioreactor varied depending on the type (shape) and the number of static mixers. The volumetric oxy...
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| Veröffentlicht in: | Applied microbiology and biotechnology 2002-04, Vol.58 (5), p.600-607 |
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| creator | Ugwu, C.U Ogbonna, J.C Tanaka, H |
| description | The feasibility of improving mass transfer characteristics of inclined tubular photobioreactors by installation of static mixers was investigated. The mass transfer characteristics of the tubular photobioreactor varied depending on the type (shape) and the number of static mixers. The volumetric oxygen transfer coefficient (k(L)a) and gas hold up of the photobioreactor with internal static mixers were significantly higher than those of the photobioreactor without static mixers. The k(L)a and gas hold up increased with the number of static mixers but the mixing time became longer due to restricted liquid flow through the static mixers. By installing the static mixers, the liquid flow changed from plug flow to turbulent mixing so that cells were moved between the surface and bottom of the photobioreactor. In outdoor culture of Chlorella sorokiniana, the photobioreactor with static mixers gave higher biomass productivities irrespective of the standing biomass concentration and solar radiation. The effectiveness of the static mixers (average percentage increase in the productivities of the photobioreactor with static mixers over the productivities obtained without static mixers) was higher at higher standing biomass concentrations and on cloudy days (solar radiation below 6 MJ m(-2) day(-1)). |
| doi_str_mv | 10.1007/s00253-002-0940-9 |
| format | Article |
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The mass transfer characteristics of the tubular photobioreactor varied depending on the type (shape) and the number of static mixers. The volumetric oxygen transfer coefficient (k(L)a) and gas hold up of the photobioreactor with internal static mixers were significantly higher than those of the photobioreactor without static mixers. The k(L)a and gas hold up increased with the number of static mixers but the mixing time became longer due to restricted liquid flow through the static mixers. By installing the static mixers, the liquid flow changed from plug flow to turbulent mixing so that cells were moved between the surface and bottom of the photobioreactor. In outdoor culture of Chlorella sorokiniana, the photobioreactor with static mixers gave higher biomass productivities irrespective of the standing biomass concentration and solar radiation. The effectiveness of the static mixers (average percentage increase in the productivities of the photobioreactor with static mixers over the productivities obtained without static mixers) was higher at higher standing biomass concentrations and on cloudy days (solar radiation below 6 MJ m(-2) day(-1)).</description><identifier>ISSN: 0175-7598</identifier><identifier>EISSN: 1432-0614</identifier><identifier>DOI: 10.1007/s00253-002-0940-9</identifier><identifier>PMID: 11956741</identifier><identifier>CODEN: AMBIDG</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Absorption ; Biological and medical sciences ; Biomass ; biomass production ; Bioreactors ; Biotechnology ; Biotechnology - instrumentation ; Chlorella - growth & development ; Chlorella sorokiniana ; Equipment Design ; Fundamental and applied biological sciences. Psychology ; Gases ; Light ; Mass transfer ; Methods. Procedures. Technologies ; mixers ; mixing ; Models, Theoretical ; oxygen ; Oxygen transfer ; Plug flow ; Radiation ; Solar radiation ; Studies ; turbulent flow ; Various methods and equipments</subject><ispartof>Applied microbiology and biotechnology, 2002-04, Vol.58 (5), p.600-607</ispartof><rights>2002 INIST-CNRS</rights><rights>Springer-Verlag 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c512t-8fad8e6a439b181d73bd226c9dddb846f2d82dcc0cac74551f91cb592c1b16fa3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13597366$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11956741$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ugwu, C.U</creatorcontrib><creatorcontrib>Ogbonna, J.C</creatorcontrib><creatorcontrib>Tanaka, H</creatorcontrib><title>Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers</title><title>Applied microbiology and biotechnology</title><addtitle>Appl Microbiol Biotechnol</addtitle><description>The feasibility of improving mass transfer characteristics of inclined tubular photobioreactors by installation of static mixers was investigated. The mass transfer characteristics of the tubular photobioreactor varied depending on the type (shape) and the number of static mixers. The volumetric oxygen transfer coefficient (k(L)a) and gas hold up of the photobioreactor with internal static mixers were significantly higher than those of the photobioreactor without static mixers. The k(L)a and gas hold up increased with the number of static mixers but the mixing time became longer due to restricted liquid flow through the static mixers. By installing the static mixers, the liquid flow changed from plug flow to turbulent mixing so that cells were moved between the surface and bottom of the photobioreactor. In outdoor culture of Chlorella sorokiniana, the photobioreactor with static mixers gave higher biomass productivities irrespective of the standing biomass concentration and solar radiation. The effectiveness of the static mixers (average percentage increase in the productivities of the photobioreactor with static mixers over the productivities obtained without static mixers) was higher at higher standing biomass concentrations and on cloudy days (solar radiation below 6 MJ m(-2) day(-1)).</description><subject>Absorption</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>biomass production</subject><subject>Bioreactors</subject><subject>Biotechnology</subject><subject>Biotechnology - instrumentation</subject><subject>Chlorella - growth & development</subject><subject>Chlorella sorokiniana</subject><subject>Equipment Design</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gases</subject><subject>Light</subject><subject>Mass transfer</subject><subject>Methods. Procedures. Technologies</subject><subject>mixers</subject><subject>mixing</subject><subject>Models, Theoretical</subject><subject>oxygen</subject><subject>Oxygen transfer</subject><subject>Plug flow</subject><subject>Radiation</subject><subject>Solar radiation</subject><subject>Studies</subject><subject>turbulent flow</subject><subject>Various methods and equipments</subject><issn>0175-7598</issn><issn>1432-0614</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkcuKFTEQhoMoznH0AdxoEHTXmkp357KUwcvAgAuddUjn4mTo7hxT6cF5CZ_ZHM6BATduqqjw_T9V-Ql5Cew9MCY_IGN87LtWO6YH1ulHZAdD3yYBw2OyYyDHTo5anZFniLeMAVdCPCVnAHoUcoAd-XO57Eu-C0tYK82RLhaR1mJXjKFQd2OLdTWUhDU5pHb1tOF-czXdpZoCHjRpdXNag6d1m7bZFrq_yTVPKZfQxLkgne4bhNXOs60pr0dRs13tTNtz86ZL-h0KPidPop0xvDj1c3L9-dOPi6_d1bcvlxcfrzo3Aq-ditarIOzQ6wkUeNlPnnPhtPd-UoOI3CvunWPOOjmMI0QNbho1dzCBiLY_J--Ovu2aX1vAapaELrT91pA3NBLE0LdP-i8Iqlec86GBb_4Bb_N2OBCNahsNXHLWIDhCrmTEEqLZl7TYcm-AmUOk5hipadUcIjW6aV6djLdpCf5BccqwAW9PgEVn59jCcwkfuH7Usheica-PXLTZ2J8tU3P9nTMQjDEtBZf9X31FtpI</recordid><startdate>20020401</startdate><enddate>20020401</enddate><creator>Ugwu, C.U</creator><creator>Ogbonna, J.C</creator><creator>Tanaka, H</creator><general>Springer</general><general>Springer Nature B.V</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>3V.</scope><scope>7QL</scope><scope>7T7</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X7</scope><scope>7XB</scope><scope>87Z</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>FYUFA</scope><scope>F~G</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>K9.</scope><scope>L.-</scope><scope>LK8</scope><scope>M0C</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7QO</scope><scope>7X8</scope></search><sort><creationdate>20020401</creationdate><title>Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers</title><author>Ugwu, C.U ; Ogbonna, J.C ; Tanaka, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c512t-8fad8e6a439b181d73bd226c9dddb846f2d82dcc0cac74551f91cb592c1b16fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Absorption</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>biomass production</topic><topic>Bioreactors</topic><topic>Biotechnology</topic><topic>Biotechnology - instrumentation</topic><topic>Chlorella - growth & development</topic><topic>Chlorella sorokiniana</topic><topic>Equipment Design</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gases</topic><topic>Light</topic><topic>Mass transfer</topic><topic>Methods. Procedures. Technologies</topic><topic>mixers</topic><topic>mixing</topic><topic>Models, Theoretical</topic><topic>oxygen</topic><topic>Oxygen transfer</topic><topic>Plug flow</topic><topic>Radiation</topic><topic>Solar radiation</topic><topic>Studies</topic><topic>turbulent flow</topic><topic>Various methods and equipments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ugwu, C.U</creatorcontrib><creatorcontrib>Ogbonna, J.C</creatorcontrib><creatorcontrib>Tanaka, H</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>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Access via ABI/INFORM (ProQuest)</collection><collection>ABI/INFORM Global (PDF only)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ABI/INFORM Global (Alumni Edition)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ABI/INFORM Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Business Premium Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Business Premium Collection (Alumni)</collection><collection>Health Research Premium Collection</collection><collection>ABI/INFORM Global (Corporate)</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Business Collection (Alumni Edition)</collection><collection>ProQuest Business Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ABI/INFORM Professional Advanced</collection><collection>ProQuest Biological Science Collection</collection><collection>ABI/INFORM Global</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Business</collection><collection>ProQuest One Business (Alumni)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Biotechnology Research Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Applied microbiology and biotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ugwu, C.U</au><au>Ogbonna, J.C</au><au>Tanaka, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers</atitle><jtitle>Applied microbiology and biotechnology</jtitle><addtitle>Appl Microbiol Biotechnol</addtitle><date>2002-04-01</date><risdate>2002</risdate><volume>58</volume><issue>5</issue><spage>600</spage><epage>607</epage><pages>600-607</pages><issn>0175-7598</issn><eissn>1432-0614</eissn><coden>AMBIDG</coden><abstract>The feasibility of improving mass transfer characteristics of inclined tubular photobioreactors by installation of static mixers was investigated. The mass transfer characteristics of the tubular photobioreactor varied depending on the type (shape) and the number of static mixers. The volumetric oxygen transfer coefficient (k(L)a) and gas hold up of the photobioreactor with internal static mixers were significantly higher than those of the photobioreactor without static mixers. The k(L)a and gas hold up increased with the number of static mixers but the mixing time became longer due to restricted liquid flow through the static mixers. By installing the static mixers, the liquid flow changed from plug flow to turbulent mixing so that cells were moved between the surface and bottom of the photobioreactor. In outdoor culture of Chlorella sorokiniana, the photobioreactor with static mixers gave higher biomass productivities irrespective of the standing biomass concentration and solar radiation. The effectiveness of the static mixers (average percentage increase in the productivities of the photobioreactor with static mixers over the productivities obtained without static mixers) was higher at higher standing biomass concentrations and on cloudy days (solar radiation below 6 MJ m(-2) day(-1)).</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>11956741</pmid><doi>10.1007/s00253-002-0940-9</doi><tpages>8</tpages></addata></record> |
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| issn | 0175-7598 1432-0614 |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Absorption Biological and medical sciences Biomass biomass production Bioreactors Biotechnology Biotechnology - instrumentation Chlorella - growth & development Chlorella sorokiniana Equipment Design Fundamental and applied biological sciences. Psychology Gases Light Mass transfer Methods. Procedures. Technologies mixers mixing Models, Theoretical oxygen Oxygen transfer Plug flow Radiation Solar radiation Studies turbulent flow Various methods and equipments |
| title | Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers |
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