Copper removal by dry and re-hydrated biomass of Spirulina platensis.
Identifieur interne : 000517 ( PubMed/Corpus ); précédent : 000516; suivant : 000518Copper removal by dry and re-hydrated biomass of Spirulina platensis.
Auteurs : C. Solisio ; A. Lodi ; P. Torre ; A. Converti ; M. Del BorghiSource :
- Bioresource technology [ 0960-8524 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- chemical , isolation & purification : Copper, Water Pollutants.
- growth & development : Cyanobacteria.
- metabolism : Cyanobacteria.
- methods : Water Purification.
- Adsorption, Biomass.
Abstract
Dried and re-hydrated biomass of Spirulina platensis was employed as a sorbent in tests of copper removal from water. Biomass re-hydrated for 24 h before use exhibited a shorter adsorption time as well as an increased percentage removal when compared with simply dried biomass. The combined effects of the concentrations of re-hydrated biomass (from 1.0 to 4.0 g l-1) and copper (from 0.1 to 0.4 g l-1) were then investigated. Copper was almost entirely removed (91% removal) at relatively high biomass levels (X0>or=2.0 gDM l-1), while 1.0 gDM l-1 removed only 81% of copper present initially, suggesting a situation of excess metal with respect to the adsorption capacity of biomass. Additional tests performed with biomass re-hydrated for variable time demonstrated that no less than 48 h of this treatment are needed to ensure a satisfactory copper removal, while no significant improvement was detected using biomass re-hydrated for longer times.
DOI: 10.1016/j.biortech.2005.07.018
PubMed: 16162407
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pubmed:16162407Le document en format XML
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Del Borghi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="doi">10.1016/j.biortech.2005.07.018</idno><idno type="RBID">pubmed:16162407</idno><idno type="pmid">16162407</idno><idno type="wicri:Area/PubMed/Corpus">000517</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Copper removal by dry and re-hydrated biomass of Spirulina platensis.</title><author><name sortKey="Solisio, C" sort="Solisio, C" uniqKey="Solisio C" first="C" last="Solisio">C. Solisio</name><affiliation><nlm:affiliation>Department of Chemical and Process Engineering, G.B. Bonino, Genoa University, Via Opera Pia 15, I-16145 Genoa, Italy.</nlm:affiliation></affiliation></author><author><name sortKey="Lodi, A" sort="Lodi, A" uniqKey="Lodi A" first="A" last="Lodi">A. Lodi</name></author><author><name sortKey="Torre, P" sort="Torre, P" uniqKey="Torre P" first="P" last="Torre">P. Torre</name></author><author><name sortKey="Converti, A" sort="Converti, A" uniqKey="Converti A" first="A" last="Converti">A. Converti</name></author><author><name sortKey="Del Borghi, M" sort="Del Borghi, M" uniqKey="Del Borghi M" first="M" last="Del Borghi">M. Del Borghi</name></author></analytic><series><title level="j">Bioresource technology</title><idno type="ISSN">0960-8524</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption</term><term>Biomass</term><term>Copper (isolation & purification)</term><term>Cyanobacteria (growth & development)</term><term>Cyanobacteria (metabolism)</term><term>Water Pollutants (isolation & purification)</term><term>Water Purification (methods)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Copper</term><term>Water Pollutants</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Cyanobacteria</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cyanobacteria</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Water Purification</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Biomass</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Dried and re-hydrated biomass of Spirulina platensis was employed as a sorbent in tests of copper removal from water. Biomass re-hydrated for 24 h before use exhibited a shorter adsorption time as well as an increased percentage removal when compared with simply dried biomass. The combined effects of the concentrations of re-hydrated biomass (from 1.0 to 4.0 g l-1) and copper (from 0.1 to 0.4 g l-1) were then investigated. Copper was almost entirely removed (91% removal) at relatively high biomass levels (X0>or=2.0 gDM l-1), while 1.0 gDM l-1 removed only 81% of copper present initially, suggesting a situation of excess metal with respect to the adsorption capacity of biomass. Additional tests performed with biomass re-hydrated for variable time demonstrated that no less than 48 h of this treatment are needed to ensure a satisfactory copper removal, while no significant improvement was detected using biomass re-hydrated for longer times.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">16162407</PMID><DateCreated><Year>2006</Year><Month>06</Month><Day>19</Day></DateCreated><DateCompleted><Year>2006</Year><Month>08</Month><Day>25</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0960-8524</ISSN><JournalIssue CitedMedium="Print"><Volume>97</Volume><Issue>14</Issue><PubDate><Year>2006</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour. Technol.</ISOAbbreviation></Journal><ArticleTitle>Copper removal by dry and re-hydrated biomass of Spirulina platensis.</ArticleTitle><Pagination><MedlinePgn>1756-60</MedlinePgn></Pagination><Abstract><AbstractText>Dried and re-hydrated biomass of Spirulina platensis was employed as a sorbent in tests of copper removal from water. Biomass re-hydrated for 24 h before use exhibited a shorter adsorption time as well as an increased percentage removal when compared with simply dried biomass. The combined effects of the concentrations of re-hydrated biomass (from 1.0 to 4.0 g l-1) and copper (from 0.1 to 0.4 g l-1) were then investigated. Copper was almost entirely removed (91% removal) at relatively high biomass levels (X0>or=2.0 gDM l-1), while 1.0 gDM l-1 removed only 81% of copper present initially, suggesting a situation of excess metal with respect to the adsorption capacity of biomass. Additional tests performed with biomass re-hydrated for variable time demonstrated that no less than 48 h of this treatment are needed to ensure a satisfactory copper removal, while no significant improvement was detected using biomass re-hydrated for longer times.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Solisio</LastName><ForeName>C</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Chemical and Process Engineering, G.B. Bonino, Genoa University, Via Opera Pia 15, I-16145 Genoa, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lodi</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Torre</LastName><ForeName>P</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Converti</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Del Borghi</LastName><ForeName>M</ForeName><Initials>M</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2005</Year><Month>09</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014873">Water Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>789U1901C5</RegistryNumber><NameOfSubstance UI="D003300">Copper</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000327">Adsorption</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D018533">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003300">Copper</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000302">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000458">Cyanobacteria</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000254">growth & development</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000378">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014873">Water Pollutants</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000302">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D018508">Water Purification</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000379">methods</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2004</Year><Month>6</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2005</Year><Month>6</Month><Day>9</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2005</Year><Month>7</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2005</Year><Month>9</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>9</Month><Day>16</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2006</Year><Month>8</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>9</Month><Day>16</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">S0960-8524(05)00366-4</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2005.07.018</ArticleId><ArticleId IdType="pubmed">16162407</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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