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Titolo:
REVERSIBLE ADSORPTION OF CARBON-DIOXIDE ON AMINE SURFACE-BONDED SILICA-GEL
Autore:
LEAL O; BOLIVAR C; OVALLES C; GARCIA JJ; ESPIDEL Y;
Indirizzi:
CENT UNIV VENEZUELA,FAC CIENCIES,ESCUELA QUIM,APARTADO 47102 CARACAS 1040 VENEZUELA INTEVEP SA LOS TEQUES VENEZUELA
Titolo Testata:
Inorganica Chimica Acta
fascicolo: 1-2, volume: 240, anno: 1995,
pagine: 183 - 189
SICI:
0020-1693(1995)240:1-2<183:RAOCOA>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
GASES;
Keywords:
CHEMISORPTION; CARBON DIOXIDE; REVERSIBLE ADSORPTION; SURFACE MODIFICATION; ALKOXYSILANE; SILICA GEL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
O. Leal et al., "REVERSIBLE ADSORPTION OF CARBON-DIOXIDE ON AMINE SURFACE-BONDED SILICA-GEL", Inorganica Chimica Acta, 240(1-2), 1995, pp. 183-189

Abstract

Carbon dioxide adsorbs reversibly on a silica gel containing 3-aminopropyl groups bonded to surface atoms of silicon. These act as the active sites for the chemisorption of CO2 at room temperature which is liberated by temperature programmed desorption at about 100 degrees C. The material is capable of adsorbing about 10 STP cm(3) of dry CO2 per gram and can be regenerated upon heating. It might be used as scrubber for carbon dioxide from industrial gaseous streams. Adsorption of humid CO2 produces a small amount of formaldehyde which suggests activation of the carbon dioxide molecule.

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Documento generato il 03/07/20 alle ore 01:40:51