Screening apparatus and method

Details Screening apparatus and method Screening apparatus and method

1979-01-22

1980-09-16

Chiesa, Richard L.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

209 17, 209 18, 209306, 210414, B07B 120

Patent

active

042228638

ABSTRACT:
A pressurized screening apparatus removes both bouyant contaminants and denser contaminants from a liquid suspension containing desirable fibers and contaminants. Both the undesirable bouyant contaminants and the undesirable denser contaminants are accumulated in the same section of the pressurized screening apparatus. If desired, the accumulating bouyant contaminants and denser contaminants may be intermittently removed from the pressurized screening apparatus.

REFERENCES:
patent: 3255883 (1966-06-01), Nelson et al.
patent: 4067800 (1978-01-01), Young

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