Classifying – separating – and assorting solids – Special applications
Patent
1992-10-13
1994-02-15
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Special applications
209 17, 2101952, 210636, 210650, 210805, B03B 900, C02F 100
Patent
active
052859037
ABSTRACT:
A thin film membrane filtration system recovers particulate from the waste water stream of a wood panel fabrication process to a desired concentration of approximately 30-50% solid by weight. The high concentration level enables improved transport or disposal. Rather than discard the concentrate, however, the concentrate is added into subsequent wood panel "particle board" batches at a rate of approximately 0.5 to 0.65 gallons per 1000 pounds of wood product. The concentrate reduces press time, serves as a scavenger for tying up formaldehyde and serves as a resin extender for strengthening internal bonds of fabricated panels. The membranes capture the particulate into an accumulated concentrate, while passing permeate output to a recycle water stream.
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DESAL Application Bulletins; DESAL-5 Nos. 101-110; Desalination Systems, Inc. Escondido, Calif. 92029.
Raemhild Gary A.
Sorenson Blaine F.
Dayoan D. Glenn
Folise Michael J.
Nguyen Tuan N.
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