C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/358
C01B 7/19 (2006.01) B01D 53/68 (2006.01)
Patent
CA 1250133
ABSTRACT A process for recovering hydrogen fluoride from waste stream gases containing hydrogen fluoride by contacting the waste stream with a scrubbing agent comprising a chlorinated pyridine.
505109
Friese David D.
Van Dort Mark A.
Smart & Biggar
The Dow Chemical Company
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