Liquid purification or separation – Flow – fluid pressure or material level – responsive
Patent
1997-02-26
1999-03-16
Reifsnyder, David A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
2101951, 2101953, 2102571, 210258, 210254, 210294, 210304, 2105121, 137 56R, 137109, B01D 2126, B01D 2102, B01D 2134
Patent
active
058825096
ABSTRACT:
Apparatus for treating wash water is disclosed. The apparatus includes a settling tank in which sludge is separated from the wash water, a circulation tank for temporary storage of the clean wash water from the settling tank, and from which the clean wash water can be recycled for washing further chips, and a hydrocyclone for separating water from the sludge for recycle to the settling tank. Methods for treating wash water utilizing such apparatus are also disclosed.
REFERENCES:
patent: 3279597 (1966-10-01), Reinhall
patent: 4714558 (1987-12-01), Barbee et al.
patent: 4865751 (1989-09-01), Smisson
patent: 5062963 (1991-11-01), Marcinkowski et al.
patent: 5421883 (1995-06-01), Bowden
Reifsnyder David A.
Sunds Defibrator Industries AB
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