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2012 | 1 | 53-59
Tytuł artykułu

CaO/Y2O3pellets for reversible CO2capture in sorption enhanced reforming process.

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Pellets of a novel, high temperature CO2 sorbent, made of CaO-impregnated porous Y2O3, were prepared. Yttria pellets were synthesized from a mixture of yttria powder and a softener. A combination of ethylene glycol, used as a softener, and a casting method yielded mechanically stable pellets after calcination at 800ºC. Treatment of the Y2O3 support at higher temperatures further increases the pellets strength. The same effect of pellets strengthening was observed after yttria impregnation with CaO. Sorption capacity of the pellets with CaO content of 9 wt. %, measured at isothermal conditions of 740ºC, reaches 7.5 wt. % for shorter recarbonation time of 20 min and 8.5 wt. % for a longer time of 1 hour. In this respect, sorption properties of pelletized CaO/Y2O3 are similar to those of powdered material. A distinctive feature of the pelletized CaO/Y2O3 sorbent pretreated at high temperatures is the increase in capacity during the initial cycles.
Słowa kluczowe
Wydawca

Rocznik
Tom
1
Strony
53-59
Opis fizyczny
Daty
otrzymano
2012-08-12
zaakceptowano
2012-08-18
online
2012-11-02
Twórcy
  • Novosibirsk state university, Str. Pirogova 2, 630090, Novosibirsk, Russian Federation
  • Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
  • Novosibirsk state university, Str. Pirogova 2, 630090, Novosibirsk, Russian Federation
  • Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
  • Novosibirsk state university, Str. Pirogova 2, 630090, Novosibirsk, Russian Federation, okunev@catalysis.ru
  • Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_cse-2012-0005
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