About: Immobilization of Heavy Metals and Phenol on Altered Bituminous Coals

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Byla studována možnost adsorpčního využití alterovaných černých uhlí vůči vodným roztokům těžkých kovů a fenolu. Pro sorpci těžkých kovů byl potvrzen jako základní imobilizační mechanismus iontová výměna. Pro sorpci byla prokázána důležitá role nejen karboxylových skupin, ale i dalších funkčních seskupení. Během sorpce fenolu se uplatňují především interakce mezi aromatickými systémy fenolu a uhlí, tzv p-p interakce. Pro praktické adsorpční využití lze doporučit především oxidačně alterované uhlí, které vykazuje výrazné adsorpční kapacity jak vůči těžkým kovům, tak vůči fenolu. (cs) Ability of the altered bituminous coals to remove heavy metals and/or phenol from aqueous solutions is evaluated. As for heavy metals, copper (II), cadmium (II) and lead (II) cations were used. In addition to phenol, also cyclohexanol and 2-cyclohexen-1-ol were examined. Based on the investigations performed, cation exchange was confirmed as principal mechanism to immobilize heavy metalic ions on coals. During adsorption of phenol, p-p interactions between p-electrons of phenol and aromatic rings of coal proved to play the important role, however, no distinct correlation between adsorption capacities for phenol and hydrogen aromaticities of the coal was found As a result, for waste water treatment, oxidative altered bituminous coal can be recommended as suitable precursor. Ability of the altered bituminous coals to remove heavy metals and/or phenol from aqueous solutions is evaluated. As for heavy metals, copper (II), cadmium (II) and lead (II) cations were used. In addition to phenol, also cyclohexanol and 2-cyclohexen-1-ol were examined. Based on the investigations performed, cation exchange was confirmed as principal mechanism to immobilize heavy metalic ions on coals. During adsorption of phenol, p-p interactions between p-electrons of phenol and aromatic rings of coal proved to play the important role, however, no distinct correlation between adsorption capacities for phenol and hydrogen aromaticities of the coal was found As a result, for waste water treatment, oxidative altered bituminous coal can be recommended as suitable precursor. (en)
Title	Immobilization of Heavy Metals and Phenol on Altered Bituminous Coals Imobilizace těžkých kovů a fenolu na alterovaném černém uhlí (cs) Immobilization of Heavy Metals and Phenol on Altered Bituminous Coals (en)
skos:prefLabel	Immobilization of Heavy Metals and Phenol on Altered Bituminous Coals Imobilizace těžkých kovů a fenolu na alterovaném černém uhlí (cs) Immobilization of Heavy Metals and Phenol on Altered Bituminous Coals (en)
skos:notation	RIV/61988987:17310/07:A0800KRJ!RIV08-MPO-17310___
http://linked.open.../vavai/riv/strany	885;894
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(2A-1TP1/083), P(GA105/00/1416), P(GP105/07/P041)
http://linked.open...iv/cisloPeriodika	29
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Taraba, Boleslav Maršálek, Roman
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	Ostravská univerzita v Ostravě / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	425512
http://linked.open...ai/riv/idVysledku	RIV/61988987:17310/07:A0800KRJ
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	altered bituminous coals, heavy metals adsorption, phenol adsorption (en)
http://linked.open.../riv/klicoveSlovo	altered bituminous coals heavy metals adsorption phenol adsorption
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BA0851771602]
http://linked.open...i/riv/nazevZdroje	Energy Sources, Part A
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Immobilization of heavy metals from waste waters by using nature carbonaceous materials The zeta potential of carbonaceous materials - the mechanisms of collectors' adsorption Possibilities of inhibition process of coal oxidation
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Maršálek, Roman Taraba, Boleslav
issn	1556-7036
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	17310

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