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Typ záznamu * :	článek v odborném periodiku (J)
Domácí pracoviště * :	Katedra chemie (31500)
Název * :	Effect of pyrolysis temperature and thermal oxidation on the adsorption properties of carbon cryogels
Citace :	HOTOVÁ, G. a Slovák, V. Effect of pyrolysis temperature and thermal oxidation on the adsorption properties of carbon cryogels. THERMOCHIM ACTA. 2015, roč. 614, s. 45-51. ISSN 0040-6031.

Podnázev :
Rok * :	2015
Obor * :	Analytická chemie, separace
Kód ISSN * :	0040-6031
Oficiální název periodika * :	THERMOCHIM ACTA
Stát vydavatele periodika * :	Nizozemsko
Svazek periodika * :	Neuveden
Číslo periodika v rámci svazku * :	-
Číslo článku :
Ročník :	614
Počet stran článku * :	7
Strana od * :	45
Strana do * :	51
Kód UT WoS :
EID :
Poddruh recenzovaného článku :	Článek v impaktovaném časopise (Jimp)

Klíčová slova anglicky * :	Pyrolysis; Low-temperature oxidation; Carbon cryogels; Adsorption; Pb(II); Methylene blue
Popis v původním jazyce * :	The effect of pyrolysis temperature (500 °C and 930 °C) and partial oxidation by oxygen (250 °C-450 °C) of resorcinol-formaldehyde cryogels (RF) and their graphene derivatives (RFGO) on adsorption capacity for Pb(II) and methylene blue were investigated. Increasing temperature of partial oxidation causes increase in adsorption capacity for Pb(II) from 0.09 to 0.20 (RF) and 0.10 to 0.29 mmol g?1 (RFGO) for samples pyrolysed at 500 °C resp. from 0.20 to 0.23 (RF) and 0.16 to 0.27 mmol g?1 (RFGO) for samples pyrolysed at 930 °C. Partial oxidation does not affect adsorption capacity for methylene blue. The adsorption capacity of carbon cryogels for both adsorbates increased with higher pyrolysis temperature about 90% for RF and 60% for RFGO. The presence of graphene in the structure does not improve the adsorption properties of prepared carbon cryogels.
Popis v anglickém jazyce * :	The effect of pyrolysis temperature (500 °C and 930 °C) and partial oxidation by oxygen (250 °C-450 °C) of resorcinol-formaldehyde cryogels (RF) and their graphene derivatives (RFGO) on adsorption capacity for Pb(II) and methylene blue were investigated. Increasing temperature of partial oxidation causes increase in adsorption capacity for Pb(II) from 0.09 to 0.20 (RF) and 0.10 to 0.29 mmol g?1 (RFGO) for samples pyrolysed at 500 °C resp. from 0.20 to 0.23 (RF) and 0.16 to 0.27 mmol g?1 (RFGO) for samples pyrolysed at 930 °C. Partial oxidation does not affect adsorption capacity for methylene blue. The adsorption capacity of carbon cryogels for both adsorbates increased with higher pyrolysis temperature about 90% for RF and 60% for RFGO. The presence of graphene in the structure does not improve the adsorption properties of prepared carbon cryogels.

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R01:	RIV/61988987:17310/15:A1601EEI

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