Method for reclaiming ink waste

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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Details

210774, 210781, 210805, C09D 1102

Patent

active

043916384

ABSTRACT:
An improved method for reclaiming waste printing ink is provided wherein waste offset ink is diluted and, thereafter, free water and waste fibrous material is separated through specific gravity differential. A centrifugal method is provided to facilitate separation and to produce an easily disposable waste cake. A heating step is also provided to minimize the quantity of dilutant necessary to reduce fluid friction.

REFERENCES:
patent: 181597 (1876-08-01), Robertson

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