Adsorption of copper and cadmium from aqueous solution by
various types of sediments under static and dynamic conditions

J 2003

Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions

MÜLLEROVÁ, Hana, Ondřej KRUML, Karel VYBÍHAL, Josef ZEMAN, Pavel MÜLLER et. al.

Základní údaje

Originální název

Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions

Autoři

MÜLLEROVÁ, Hana (203 Česká republika), Ondřej KRUML (203 Česká republika), Karel VYBÍHAL (203 Česká republika), Josef ZEMAN (203 Česká republika, garant) a Pavel MÜLLER (203 Česká republika)

Vydání

Bulletin of Geosciences, Praha, Czech geological survey, 2003, 1214-1119

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

Geochemie

Stát vydavatele

Česká republika

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Kód RIV

RIV/00216224:14310/03:00009000

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Cu; Cd; adsorption; isotherm; soil; leaching column; sequential extraction analysis

Štítky

adsorption, Cd, Cu, isotherm, leaching column, sequential extraction analysis, soil

Změněno: 13. 7. 2005 07:52, doc. RNDr. Josef Zeman, CSc.

Anotace

V originále

Themobilityofheavymetalsinsedimentsandsoilsdependsstronglyonphysicalpropertiesandchemicalandmineralogicalcompositionofsuchenvironments.Fivetypesofsampleswithdifferentamountsofcarbonates,organicmatter,chemicalcompositionandvariousgrainsizeswerecho-sen.ExperimentalsorptiondatafrombatchtestswereevaluatedbyLangmuirandFreundlichtypeisotherms,whichprovidedmainsorptioncharacteris-ticsofsedimentsamplesforheavymetals(Cu,Cd).Inordertosimulatenaturalconditionsmorerealistically,severalleachingcolumntestswerealsoper-formed.Thesamplesorptioncapacitiesunderstaticanddynamicconditionswereevaluated.AllchosensamplesbondedCumoreefficientlyandfirmlythanCd.Distilledwaterwashedoutabout6%ofCuand44%ofCdfromHBS2(quartz-dominatedsamplewith74wt%ofsand-sizedfraction)and6%ofCuand9%ofCdfromHBS6(finer-grainedsamplewithsomeamountoforganicmatterandcarbonates).Carbonatesprovedtobecrucialforthemo-bilityofheavymetalsinnaturalsamples.Freemetalswerewashedoutofporesattheverybeginningofthedesorptionexperiments.Then,weaklyad-sorbedmetals(electricdoublelayer)werewashedoutandfinally,alowstationarymetalconcentrationwasestablished.Suchbehaviourshouldresultinaslow release of small amounts of a heavy metal, which should therefore not represent significant danger to the environment

Návaznosti

MSM 143100004, záměr

Název: Geologické procesy a jejich environmentální vyústění - styk variscid a alpid

Investor: Ministerstvo školství, mládeže a tělovýchovy ČR, Geologické procesy a jejich environmentální vyústění - styk variscid a alpid

Citovat

MÜLLEROVÁ, Hana, Ondřej KRUML, Karel VYBÍHAL, Josef ZEMAN a Pavel MÜLLER. Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions. Bulletin of Geosciences. Praha: Czech geological survey, 2003, roč. 78, č. 3, s. 169-178. ISSN 1214-1119.

@article{489641,
   author = {Müllerová, Hana and Kruml, Ondřej and Vybíhal, Karel and Zeman, Josef and Müller, Pavel},
   article_location = {Praha},
   article_number = {3},
   keywords = {Cu; Cd; adsorption; isotherm; soil; leaching column; sequential extraction analysis},
   language = {eng},
   issn = {1214-1119},
   journal = {Bulletin of Geosciences},
   title = {Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions},
   url = {http://nts2.cgu.cz/servlet/page?_pageid=245,247,273&_dad=portal30&_schema=PORTAL30&453_TOC_140721.p_subid=71882&453_TOC_140721.p_sub_siteid=33&453_TOC_140721.p_edit=0},
   volume = {78},
   year = {2003}
}

TY  - JOUR
ID  - 489641
AU  - Müllerová, Hana - Kruml, Ondřej - Vybíhal, Karel - Zeman, Josef - Müller, Pavel
PY  - 2003
TI  - Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions
JF  - Bulletin of Geosciences
VL  - 78
IS  - 3
SP  - 169-178
EP  - 169-178
PB  - Czech geological survey
SN  - 12141119
KW  - Cu
KW  - Cd
KW  - adsorption
KW  - isotherm
KW  - soil
KW  - leaching column
KW  - sequential extraction analysis
UR  - http://nts2.cgu.cz/servlet/page?_pageid=245,247,273&_dad=portal30&_schema=PORTAL30&453_TOC_140721.p_subid=71882&453_TOC_140721.p_sub_siteid=33&453_TOC_140721.p_edit=0
N2  - Themobilityofheavymetalsinsedimentsandsoilsdependsstronglyonphysicalpropertiesandchemicalandmineralogicalcompositionofsuchenvironments.Fivetypesofsampleswithdifferentamountsofcarbonates,organicmatter,chemicalcompositionandvariousgrainsizeswerecho-sen.ExperimentalsorptiondatafrombatchtestswereevaluatedbyLangmuirandFreundlichtypeisotherms,whichprovidedmainsorptioncharacteris-ticsofsedimentsamplesforheavymetals(Cu,Cd).Inordertosimulatenaturalconditionsmorerealistically,severalleachingcolumntestswerealsoper-formed.Thesamplesorptioncapacitiesunderstaticanddynamicconditionswereevaluated.AllchosensamplesbondedCumoreefficientlyandfirmlythanCd.Distilledwaterwashedoutabout6%ofCuand44%ofCdfromHBS2(quartz-dominatedsamplewith74wt%ofsand-sizedfraction)and6%ofCuand9%ofCdfromHBS6(finer-grainedsamplewithsomeamountoforganicmatterandcarbonates).Carbonatesprovedtobecrucialforthemo-bilityofheavymetalsinnaturalsamples.Freemetalswerewashedoutofporesattheverybeginningofthedesorptionexperiments.Then,weaklyad-sorbedmetals(electricdoublelayer)werewashedoutandfinally,alowstationarymetalconcentrationwasestablished.Suchbehaviourshouldresultinaslow release of small amounts of a heavy metal, which should therefore not represent significant danger to the environment
ER  -

MÜLLEROVÁ, Hana, Ondřej KRUML, Karel VYBÍHAL, Josef ZEMAN a Pavel MÜLLER. Adsorption of copper and cadmium from aqueous solution by various types of sediments under static and dynamic conditions. \textit{Bulletin of Geosciences}. Praha: Czech geological survey, 2003, roč.~78, č.~3, s.~169-178. ISSN~1214-1119.

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