B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
241/142
B09B 3/00 (2006.01) B03B 9/06 (2006.01) B07B 9/00 (2006.01)
Patent
CA 1205062
ABSTRACT In order to avoid producing any secondary waste in the pro- duction of a fibrous and a granular material from house- hold, agricultural, forestry waste, organic waste of the manufacturing and/or service industries, the primary waste first undergoes an opening treatment in an opening unit and then, after removal of any metallic components by mag- netic separation units, is divided into three fractions. Such division is effected by a fractionating unit into (a) a fine fraction not exceeding the required final product particle size, (b) a coarse fraction easy to process mecha- nically, and (c) a coarse fraction difficult to process me- chanically. The two coarse fractions are then separately reduced to the required final product particle size in re- ducing units optimally suited to the particular coarse fraction. Then all three fractions are dried to a specific maximum residual moisture content and sterilized in a dry- ing unit by heating and extraction of the resultant steam, are re-united and jointly fractionated by a further frac- tionating unit and air separators into a heavy fraction consisting chiefly of inorganic granulate, a light frac- tion consisting chiefly of organic fibres, and a dust frac- tion consisting chiefly of organic dust particles.
392898
Frei Josef
Schweri Hans
Marks & Clerk
Orfa A.g.
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