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; Ondřej KRUML; Karel VYBÍHAL; Josef ZEMAN a Pavel MÜLLER

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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