Liquid purification or separation – Processes – Separating
Patent
1991-07-29
1993-06-15
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210767, 55 52, 55199, 162 4, 162 28, 162 55, 162 60, 162 63, 4151691, B01D 1900
Patent
active
052194728
ABSTRACT:
A method and apparatus for improving the treatment of a gas containing fiber suspension in the pulp and paper industry, especially for increasing the capacity of a screening department, a washing department, a thickening department, a press, a curved screen, or the like, includes the simultaneous separation and removal of the gases prior to the respective treatment stage.
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patent: 3810347 (1974-05-01), Kartinen
patent: 4877424 (1989-10-01), Perkola et al.
patent: 4921400 (1990-05-01), Niskanen
patent: 5087171 (1992-02-01), Dosch et al.
Gullichsen, Johan, et al., Tappi, Sep. 1981, "Medium-consistency technology," 64(9):113-116.
Elonen Jorma
Henricson Kaj
Pikka Olavi
Pitkanen Raimo
A. Ahlstrom Corporation
Dawson Robert A.
Reifsnyder David
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