METHOD FOR PRIMARY PROCESSING OF WASTE AT LEAST PARTIALLY CONTAINING SECONDARILY UTILIZED RAW MATERIAL Russian patent published in 2001 - IPC

Abstract RU 2169075 C2

FIELD: processing of waste. SUBSTANCE: big plastic waste contained in the waste is coarsely milled, suspension is formed of soluble waste. Heavy fraction is extracted from the suspension, and fine solid waste is separated from the suspension. At first the waste for primary processing is mechanically agitated in water, soluble waste, mainly board, is dissolved with formation of suspension. Metal waste in the form of heavy fraction is extracted from this suspension. After that the rest coarsely milled waste, mainly plastics, is poured out together with the suspension and mechanically separated from the suspension. Suspended small solid waste is separated in the form of fine fraction by dewatering. EFFECT: enhanced percentage of extraction of secondary raw material at primary processing. 17 cl, 2 dwg

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RU 2 169 075 C2

Authors

Khajnts Khoberg

Ioakhim Kristiani

Mikhael' Langen

Martin Bender

Dates

2001-06-20—Published

1997-10-24—Filed