Using hydrated lime and dolomite for sulfur dioxide removal from flue gases

Ayşe Özyuǧuran*, Ayşegül Ersoy-Meriçboyu

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Özet

The sulfation properties of six hydrated lime and three hydrated dolomite sorbents were studied and compared. To distinguish between the weight gain by water adsorption and by sulfation, the samples were first exposed to a gaseous mixture consisting of 5% O2, 10% CO2, and the balance nitrogen with 55% relative humidity. After this pre-conditioning, SO2 was added to the gaseous mixture for sulfation with a concentration of 5000 ppm. The total sulfation capacities and Ca(OH)2 conversion values of hydrated lime sorbents varied between 70.19-123.36 (mg SO2/g sorbent) and 15.08%-23.50%, respectively. The total sulfation capacity and conversion values of sorbents changed depending on the physical properties of sorbents. This is an abstract of a paper presented at the CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES (Prague, Czech Republic 8/25-29/2012).

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???event.eventtypes.event.conference???20th International Congress of Chemical and Process Engineering, CHISA 2012 and 15th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2012
Ülke/BölgeCzech Republic
ŞehirPrague
Periyot25/08/1229/08/12

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