Title:
METHOD FOR PRODUCING SILICON
Document Type and Number:
WIPO Patent Application WO/2011/057947
Kind Code:
A3
Abstract:
The present invention relates to an improved process for producing silicon, preferably solar silicon, using novel high-purity graphite mouldings, especially graphite electrodes, and to an industrial process for production of the novel graphite mouldings.
Inventors:
KARL ALFONS (DE)
LANG JUERGEN ERWIN (DE)
RAULEDER HARTWIG (DE)
FRINGS BODO (DE)
LANG JUERGEN ERWIN (DE)
RAULEDER HARTWIG (DE)
FRINGS BODO (DE)
Application Number:
PCT/EP2010/066833
Publication Date:
July 21, 2011
Filing Date:
November 04, 2010
Export Citation:
Assignee:
EVONIK DEGUSSA GMBH (DE)
KARL ALFONS (DE)
LANG JUERGEN ERWIN (DE)
RAULEDER HARTWIG (DE)
FRINGS BODO (DE)
KARL ALFONS (DE)
LANG JUERGEN ERWIN (DE)
RAULEDER HARTWIG (DE)
FRINGS BODO (DE)
International Classes:
C01B31/02; C01B33/025; F27B3/08; F27B3/20; F27D11/08; F27D99/00
Domestic Patent References:
| WO2007106860A2 | 2007-09-20 | |||
| WO2003029496A1 | 2003-04-10 |
Foreign References:
| GB2046232A | 1980-11-12 | |||
| EP2072482A1 | 2009-06-24 |
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