D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/36.8
D21C 11/04 (2006.01) B01D 33/09 (2006.01) B01D 33/21 (2006.01) B01D 37/02 (2006.01)
Patent
CA 1270608
ABSTRACT In a causticising process for separating at least white liquor and lime sludge out of the process, filters, in the form of disc or drum filters are arranged. The filtrations take place under positive pressure and the filters are arranged in a closed system. Such a pressure filter can also be arranged for the separation of sludge.
508263
Ragnegard Samuel
Sjoberg Arne
Celleco-Hedemora Aktiebolag
Mccarthy Tetrault Llp
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