PROCESS FOR THE TRANSFORMATION OF HALOGENATED REFRIGERANT GASES

WIPO Patent Application WO1997003749

A3

The high temperature combustion of hydrogen and oxygen is used to transform halogenated refrigerant gases (HRGs) and halons to produce calcium fluoride salts. Calcium carbonate is also produced by a series of chemical processes. Calcium chloride is partially consumed by the process by reaction with fluoride released during the high temperature combustion of the HRGs. Calcium chloride is also produced in the process during scrubbing of chlorine and during the recovery of ammonia used to remove carbon dioxide. The calcium chloride produced during the process can be used in the combustion reaction to further produce calcium fluoride.

JP2005230351	METHOD OF TREATING ORGANIC HALOGEN COMPOUND
JP2004167232	METHOD FOR DECOMPOSING HARDLY DECOMPOSABLE HALOGENATED ORGANIC COMPOUND
JP2003089521	FINE OXIDE PARTICLE WHICH SUPPRESSES GENERATION OF HARMFUL SUBSTANCE IN COMBUSTION AND DECOMPOSES THE SUBSTANCE, METHOD FOR PRODUCING THE FINE PARTICLE, ORGANIC MATTER CONTAINING THE FINE PARTICLE, AND METHOD FOR DISPOSING OF ORGANIC MATTER USING THE FINE PARTICLE

JOHANSING P G JR

PCT/US1996/011708

May 09, 1997

July 15, 1996

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TRANSFORMATION TECHNOLOGIES LT (US)

A62D3/34; A62D3/00; A62D3/36; C01F11/18; C01F11/20; C01F11/22; C01F11/24; F23G7/06; F23J7/00; A62D101/22; (IPC1-7): B01J/

US3804386A	1974-04-16
US5250267A	1993-10-05
US4125593A	1978-11-14
US5185134A	1993-02-09
US4937065A	1990-06-26
US2941860A	1960-06-21
EP0212410A2	1987-03-04

See also references of EP 0851780A4

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