Production of High Value Solid Fuels From Cellulosic Feed Materials by the Koppelman Process

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Abstract
When wet cellulosic material is heated to 500 C in an autoclave at 100 atmospheric pressure, the resulting solid product is dry and has a heating value ranging from 6700 to 7800 cal/g (12,00 to 14,00 Btu/lb). This treatment is the basis for the Koppelman Process covered in U.S. Patent 4,052,168. Test results and product characteristics are described.

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