Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Patent
1997-07-14
1999-08-31
Nguyen, Ngoc-Yen
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
4232452, B01D 5346, B01D 5368
Patent
active
059450789
ABSTRACT:
A process for the scrubbing of species of an element of Group 3, 4 and 5(b) of the Periodic Table from a gas stream. The process comprises contacting the gas stream with an aqueous solution of hydrofluoric acid (HF) or a solution containing the hydrogen fluoride ion HF.sub.2.sup.- and an oxidizing agent.
REFERENCES:
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patent: 5182088 (1993-01-01), Leondaridis et al.
patent: 5527517 (1996-06-01), Bridges et al.
Taylor Mark Philip
Timms Peter Leslie
Nguyen Ngoc-Yen
Pace Salvatore P.
The BOC Group plc
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