About: Biosorption of mercury on magnetically modified yeast cells

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Brewer’s yeast (Saccharomyces cerevisiae subsp. uvarum) cells were magnetically modified with water based magnetic fluid and used for biosorption of mercury in batch system. The biosorption process was fast; 80% of biosorption occured within 60 min and equilibrium was achieved at around 90 min. The maximum Hg2+ biosorption capacity was 114.6 mg/g at 35 C. The results were well fitted to the Langmuir isotherm. The applicability of two kinetic models including pseudo-first order and pseudo-second order model was estimated on the basis of comparative analysis of the corresponding rate parameters, equilibrium capacity and correlation coefficients. Results suggest that chemisorption processes could be the ratelimiting step in the biosorption process. Biosorption of heavy metal ions from artificial wastewater was also studied. Brewer’s yeast (Saccharomyces cerevisiae subsp. uvarum) cells were magnetically modified with water based magnetic fluid and used for biosorption of mercury in batch system. The biosorption process was fast; 80% of biosorption occured within 60 min and equilibrium was achieved at around 90 min. The maximum Hg2+ biosorption capacity was 114.6 mg/g at 35 C. The results were well fitted to the Langmuir isotherm. The applicability of two kinetic models including pseudo-first order and pseudo-second order model was estimated on the basis of comparative analysis of the corresponding rate parameters, equilibrium capacity and correlation coefficients. Results suggest that chemisorption processes could be the ratelimiting step in the biosorption process. Biosorption of heavy metal ions from artificial wastewater was also studied. (en) Pivovarské kvasinky (Saccharomyces cerevisiae subsp. uvarum) byly modifikovány magnetickou kapalinou a použity pro biosorpci mědnatých iontů ve vsádkovém uspořádání. Proces biosorpce byl rychlý; 80% iontů bylo adsorbováno do 60 min a rovnováhy bylo dosaženo po 90 min. Maximální kapacita pro Hg2+ byla 114.6 mg/g při 35 C, adsorpce odpovídala modelu Langmuirovy izotermy. Byly navrženy kinetické modely pseudo-prvního a pseudo-druhého řádu. (cs)
Title	Biosorption of mercury on magnetically modified yeast cells Biosorption of mercury on magnetically modified yeast cells (en) Biosorpce mědi magneticky modifikovanými kvasinkami (cs)
skos:prefLabel	Biosorption of mercury on magnetically modified yeast cells Biosorption of mercury on magnetically modified yeast cells (en) Biosorpce mědi magneticky modifikovanými kvasinkami (cs)
skos:notation	RIV/67179843:_____/06:00047642!RIV07-MSM-67179843
http://linked.open.../vavai/riv/strany	253;260
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC 108), Z(AV0Z60870520)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Šafařík, Ivo Šafaříková, Miroslava
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	467124
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/06:00047642
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mercury removal; magnetic biosorbents; yeast (en)
http://linked.open.../riv/klicoveSlovo	magnetic biosorbents yeast mercury removal
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5C3C55F98746]
http://linked.open...i/riv/nazevZdroje	Separation and Purification Technology
http://linked.open...in/vavai/riv/obor	EI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20108
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Denizli, A. Šafařík, Ivo Šafaříková, Miroslava Gungunes, H. Yavuz, H.
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change
issn	1383-5866
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Biosorption of mercury on magnetically modified yeast cells Biosorption of mercury on magnetically modified yeast cells

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