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Title:
TREATMENT OF FLUOROCARBON FEEDSTOCKS
Document Type and Number:
WIPO Patent Application WO2001058840
Kind Code:
A3
Abstract:
A method of treating a fluorocarbon feedstock includes generating, in a high temperature zone, an electrical arc between at least one cathode and at least one anode, generating in the high temperature zone and by means of the electrical arc and a plasma gas, an upwardly burning thermal plasma having a tail flame, allowing a solid particulate fluorocarbon feedstock comprising at least on fluorocarbon compound to form a reactive thermal mixture with the thermal plasma tail flame, with the fluorocarbon compound dissociating into at least one fluorocarbon precursor or reactive species, and cooling the reactive thermal mixture to form, from the fluorocarbon precursor of reactive species, at least one more desirable fluorocarbon compound.

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Inventors:
VAN DER WALT IZAK JACOBUS (ZA)
HINTZER KLAUS (US)
LOEHR GERNOT (DE)
Application Number:
PCT/IB2001/000156
Publication Date:
February 14, 2002
Filing Date:
February 09, 2001
Export Citation:
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Assignee:
NUCLEAR ENERGY CORP OF SOUTH A (ZA)
3M INNOVATIVE PROPERTIES CO (US)
WALT IZAK JACOBUS V D (ZA)
HINTZER KLAUS (US)
LOEHR GERNOT (DE)
International Classes:
B01D5/00; B01J19/08; C07C17/361; C07C17/367; C07C19/08; H01J17/02; H01J17/50; H05H1/48; C07C; (IPC1-7): C07C17/367; H05H1/24; B01D5/00
Foreign References:
EP0282827A21988-09-21
GB766324A1957-01-23
US3555823A1971-01-19
EP0039517A11981-11-11
EP0093632A11983-11-09
US4606760A1986-08-19
US5399833A1995-03-21
GB2066227A1981-07-08
Other References:
PATENT ABSTRACTS OF JAPAN vol. 015, no. 112 (C - 0815) 18 March 1991 (1991-03-18)
DATABASE WPI Week 199514, Derwent World Patents Index; AN 1995-105138, XP002172596, BALAKIN P D ET AL: "Toothed gear and friction transmission system"
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