Solid-gas reactions: Study of sulphation of limestone using thermogravimetry
β Scribed by K. Wieczorek-Ciurowa
- Book ID
- 105398457
- Publisher
- Springer Netherlands
- Year
- 1988
- Tongue
- English
- Weight
- 200 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0022-5215
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π SIMILAR VOLUMES
The partially sintered spheres model is further developed to account for the influence of inert material present in the solid reactant. This model is applicable, for example, to the sulphation of CaO with a variable amount of inert material. An example is the reaction between calcined dolomite, CaO'
Prasannan et al. (1985, Chem. Engng Sci. 40, 1251-1261) developed a mathematical model to account for the effect of inerts on gas-solid reactions. The model is experimentally verified in this paper. A reaction system involving capture of CO2 by freshly prepared lime pellets was chosen and varying a
The paper describes two distinctive forma of thermal instability which can make their 8pp93u8nce in gas-solid reactions. The llrst is due to an unstable type of crossing of the curven which repreeent the rate of heat genemtion by reaction within the solid and the rate of heat loss from its surface.