Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1991-04-10
1992-12-29
Jones, W. Gary
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
162 54, 162189, 159DIG5, 62541, 210774, B01D 904
Patent
active
051748592
ABSTRACT:
A method for treating a mechanical pulp plant effluent waste stream by freezing the effluent stream and separating frozen product. The frozen product contains between about 50 to 150 ppm chemical oxygen demand (COD), and may be reclaimed.
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Patel Jean-Claude
Rittof Timothy J.
Friedman Charles K.
HPD Incorporated
Jones W. Gary
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