B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/1
B01D 53/02 (2006.01) C02F 1/00 (2006.01) C02F 1/28 (2006.01)
Patent
CA 1047411
ABSTRACT OF THE DISCLOSURE The waste water of a sulfite pulp mill containing lignin and lignin derivatives which are not bio-degradable is puri- fied by contact with a fixed bed of granular, porous ?-alumina having a particle size of 0.5 - 10 mm and a specific surface area of at least 140 m2/g.
237871
Foerster Hans
Solbach Hermann
LandOfFree
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