Chip treatment

Details Chip treatment Chip treatment

1981-02-23

1982-10-26

Hoffman, James R.

Coating processes

Particles, flakes, or granules coated or encapsulated

162 17, 162 19, 162 60, 162 68, B05D 118, B05D 304

Patent

active

043562132

ABSTRACT:
A treatment for wood chips in the manufacture of pulp is described. Prior to chip washing, the chips are placed in contact with an impregnation liquid such that all readily fillable cavities in the chips become filled with the liquid. The chips can be steamed prior to the impregnation process to increase the liquid absorption. After the impregnated chips are drained of the excess liquid, no appreciable amount of washing liquid is absorbed by them during a subsequent washing cycle used to remove included gravel and sand.

REFERENCES:
patent: 3558428 (1971-01-01), Apslund

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