Method of coal pretreatment
Patent
·
OSTI ID:6873382
IGT developed a simple and efficient method of pretreating caking coal before gasification without the need for external heat by contacting the carbonaceous material with hot gas reaction products from a fluidized gasification reaction. The treated particles are then passed directly to the gasification reactor for conversion into gaseous products. Generally, a contact time of 2-30 sec is sufficient to devolatilize the coal and destroy its caking properties.
- Assignee:
- Inst. of Gas Tech.
- Patent Number(s):
- US 3867110
- OSTI ID:
- 6873382
- Country of Publication:
- United States
- Language:
- English
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