TY - BOOK ED - Soviet Union. Ministry for the Coal Industry TI - Latest world achievements in coal preparation and coal processing for possible application in coal-producing countries of Africa U1 - 622.334 PY - 1983/// CY - Addis Ababa PB - Ministry for the Coal Industry KW - Carbón KW - Tecnología N1 - 06222; At present, organic fuel estraction and utilisation exceed 10 thousand million tons of coal equivalent fuel per year and will keep increasing in the future. A substantial portion of fuels is being used after appropriate processing in different sectors of consumption. As a result, the end products differ essentially in quality and proporties from these of the initial materials. The bulk of organic fuel is subjected, at present, to extensive chemical procesaing rwsulting in the production of synthetic product ER -