Exploitation of plastic wastes

Details Exploitation of plastic wastes Exploitation of plastic wastes

1993-09-07

1995-04-04

Eley, Timothy V.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 21, 241DIG38, B02C 2318

Patent

active

054029465

ABSTRACT:
A process for exploiting plastic wastes arising in the production or further processing or after use of the plastic, by, in a sewage treatment plant, comminuting the plastic wastes then mixing them with a sewage sludge to which organic flocculants are added with or without the addition of further amounts of finely divided coal and/or ash, if appropriate, modifying the surface properties of the plastic with binders in such a way that it binds better into the sludge, filtering the pretreated sludge mixture, where the plastic can assume the properties of a filtration aid, i.e. the filtering residue is reduced, incinerating the resulting filter cake, where the plastic assumes the function of an additional energy source and depositing the ash for example in a sanitary landfill or exploiting it.

REFERENCES:
patent: 3579320 (1971-05-01), Pesses
patent: 3736223 (1973-05-01), Marsh
patent: 3910775 (1975-10-01), Jackman
patent: 4586659 (1986-05-01), Easter, II

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