Thermocondensed lignocellulose material, and a method and an ove

Details Thermocondensed lignocellulose material, and a method and an ove Thermocondensed lignocellulose material, and a method and an ove

1988-09-27

1990-09-04

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

162 9, 162 23, 162 47, 562515, C08G 1808

Patent

active

049546201

ABSTRACT:
This material which has a hemi-cellulose content of less than 2%, a benzopyrene content of less than 2 .mu.g/kg and a calorific value which is about 20% greater than that of the starting material is obtained by isothermal treatment between 220.degree. C. and 280.degree. C. for a period of thirty minutes using crossed flows of treated material and of oxygen-free hot gases in an oven including stirring means (6,9) and a gas generator (1) with the gas being circulated by a fan (3).

REFERENCES:
patent: 4553978 (1985-11-01), Yuan
patent: 4816572 (1989-03-01), Bourgeois

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