OperaV1, Main, Exploration, bibRecord, 001816

Copper removal by dry and re-hydrated biomass of Spirulina platensis.

Identifieur interne : 001816 ( Main/Exploration ); précédent : 001815; suivant : 001817

Copper removal by dry and re-hydrated biomass of Spirulina platensis.

Auteurs : C. Solisio [Italie] ; A. Lodi ; P. Torre ; A. Converti ; M. Del Borghi

Source :

Bioresource technology [ 0960-8524 ] ; 2006.

RBID : pubmed:16162407

English descriptors

KwdEn :
- Adsorption, Biomass, Copper (isolation & purification), Cyanobacteria (growth & development), Cyanobacteria (metabolism), Water Pollutants (isolation & purification), Water Purification (methods).
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

Affiliations:

Italie

Le document en format XML

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<author><name sortKey="Solisio, C" sort="Solisio, C" uniqKey="Solisio C" first="C" last="Solisio">C. Solisio</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Chemical and Process Engineering, G.B. Bonino, Genoa University, Via Opera Pia 15, I-16145 Genoa, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Department of Chemical and Process Engineering, G.B. Bonino, Genoa University, Via Opera Pia 15, I-16145 Genoa</wicri:regionArea>
<wicri:noRegion>I-16145 Genoa</wicri:noRegion>
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<author><name sortKey="Lodi, A" sort="Lodi, A" uniqKey="Lodi A" first="A" last="Lodi">A. Lodi</name>
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<author><name sortKey="Torre, P" sort="Torre, P" uniqKey="Torre P" first="P" last="Torre">P. Torre</name>
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<author><name sortKey="Converti, A" sort="Converti, A" uniqKey="Converti A" first="A" last="Converti">A. Converti</name>
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<author><name sortKey="Del Borghi, M" sort="Del Borghi, M" uniqKey="Del Borghi M" first="M" last="Del Borghi">M. Del Borghi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Copper removal by dry and re-hydrated biomass of Spirulina platensis.</title>
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<affiliation wicri:level="1"><nlm:affiliation>Department of Chemical and Process Engineering, G.B. Bonino, Genoa University, Via Opera Pia 15, I-16145 Genoa, Italy.</nlm:affiliation>
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<author><name sortKey="Lodi, A" sort="Lodi, A" uniqKey="Lodi A" first="A" last="Lodi">A. Lodi</name>
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<author><name sortKey="Torre, P" sort="Torre, P" uniqKey="Torre P" first="P" last="Torre">P. Torre</name>
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<author><name sortKey="Converti, A" sort="Converti, A" uniqKey="Converti A" first="A" last="Converti">A. Converti</name>
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<author><name sortKey="Del Borghi, M" sort="Del Borghi, M" uniqKey="Del Borghi M" first="M" last="Del Borghi">M. Del Borghi</name>
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<series><title level="j">Bioresource technology</title>
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<term>Cyanobacteria (metabolism)</term>
<term>Water Pollutants (isolation & purification)</term>
<term>Water Purification (methods)</term>
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<term>Water Pollutants</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cyanobacteria</term>
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<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>
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<name sortKey="Lodi, A" sort="Lodi, A" uniqKey="Lodi A" first="A" last="Lodi">A. Lodi</name>
<name sortKey="Torre, P" sort="Torre, P" uniqKey="Torre P" first="P" last="Torre">P. Torre</name>
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<country name="Italie"><noRegion><name sortKey="Solisio, C" sort="Solisio, C" uniqKey="Solisio C" first="C" last="Solisio">C. Solisio</name>
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Copper removal by dry and re-hydrated biomass of Spirulina platensis.

Copper removal by dry and re-hydrated biomass of Spirulina platensis.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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Pour mettre un lien sur cette page dans le réseau Wicri

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