Process for regenerating foundry sand

Details Process for regenerating foundry sand Process for regenerating foundry sand

1976-10-08

1978-09-12

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 25R, 134 27, 134 29, 134 38, 134 39, 164 5, B08B 308

Patent

active

041135105

ABSTRACT:
Foundry sand particles are regenerated by contact with a liquid containing ither a peroxide oxidant or an oxidizing salt to remove resinous binder material accumulated around each of the particles.

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patent: 3787239 (1974-01-01), Schroeder et al.
patent: 3796601 (1974-03-01), Kindron et al.
patent: 3871438 (1975-03-01), Vissers et al.

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