Role of Calcium Hydroxide in Supercritical Water Gasification of Low-Rank Coal
β Scribed by Wang, Jie; Takarada, Takayuki
- Book ID
- 126330526
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 328 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0887-0624
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This study attempts to predict the gasification behaviour of low rank coals from their properties, particularly from their content of catalytically active elements. A low rank coal (lignite) was deashed and then impregnated with catalytically active elements, and its gasification behaviour was compa
Calcium and magnesium were removed from a brown coal and two subbituminous coals by treating with CO, dissolved in water under a pressure of 600kPa. The results were compared with treatment in a hydrochloric acid solution. Removal of calcium was significantly dependent on the chemical form of calciu