Process for removing inorganic components that form ash on ignit

Details Process for removing inorganic components that form ash on ignit Process for removing inorganic components that form ash on ignit

1993-04-26

1995-02-14

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 8, D21C 502

Patent

active

053892003

ABSTRACT:
A process for treating wastepaper to remove oily waste and inorganic components, which comprises: (a) forming an organoclay treating composition in a wastepaper aqueous system; (b) contacting the wastepaper aqueous system with an amount of the organoclay effective to remove from the wastepaper oily waste and inorganic components; and (c) recovering paper pulp from the aqueous system. The process is effective in wastepaper treatment systems using both air flotation removal as well as systems utilizing water-washing processes.

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patent: 5151155 (1992-09-01), Cody et al.
patent: 5176831 (1993-01-01), Rowsell

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