System for removing bleed-throughs from old corrugated container fiber pulp
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United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Mar 6, 2001
filing date -
Mar 6, 2001
priority date (Note) -
Expired
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Abstract
A system for removing bleed-through contaminants from OCC fiber pulp includes a plurality of primary flotation cells, with each primary flotation cell having an inlet, an accept outlet and a reject outlet. The inlet and the accept outlets of the plurality of primary flotation cells are coupled together in a series configuration. The reject outlets are coupled together in parallel. A secondary flotation cell has an inlet, at least one accept outlet and a reject outlet. The secondary flotation cell inlet is fluidly coupled with the reject outlet of the primary flotation cells. A water clarifier has an inlet, a clarified water outlet and a sludge outlet. The inlet is connected with the reject outlet of the secondary flotation cell.
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