EP 2021285 A2 20090211 - METHOD FOR OBTAINING MAGNETITE
Title (en)
METHOD FOR OBTAINING MAGNETITE
Title (de)
VERFAHREN ZUR GEWINNUNG VON MAGNETIT
Title (fr)
PROCÉDÉ DE PRODUCTION DE MAGNÉTITE
Publication
Application
Priority
- EP 2007054056 W 20070425
- DE 102006020840 A 20060504
Abstract (en)
[origin: CA2651956A1] The invention relates to a method for obtaining magnetite using red mud, which is produced by the method used by Bayer for the manufacture of alumini um. The method according to the invention comprises at least the reduction o f haematite and/or goethite to form magnetite using at least one reductant, said reductant containing at least one vegetable oil and/or a fat and/or car bon.
IPC 8 full level
C01F 7/066 (2022.01); C01G 49/08 (2006.01); C04B 18/04 (2006.01)
CPC (source: EP US)
C01F 7/066 (2013.01 - EP US); C01G 49/08 (2013.01 - EP US); C04B 18/0409 (2013.01 - EP US); Y02W 30/91 (2015.05 - EP US)
Citation (search report)
See references of WO 2007128695A2
Citation (examination)
- DE 1206411 B 19651209 - MONTEDISON SPA
- EUROPÄISCHE KOMMISSION: "Staatliche Beihilfe N 685/2002 - Deutschland; Mineralölsteuerbefreiung für Biokraftstoffe", 6 April 2004 (2004-04-06), pages 1 - 8, XP055006540, Retrieved from the Internet <URL:http://ec.europa.eu/eu_law/state_aids/comp-2002/n685-02.pdf> [retrieved on 20110908]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
DE 102006020840 A1 20071115; DE 102006020840 B4 20100812; AU 2007247252 A1 20071115; AU 2007247252 B2 20120705; BR PI0711307 A2 20111206; CA 2651956 A1 20071115; CA 2651956 C 20140211; CN 101437759 A 20090520; EP 2021285 A2 20090211; ME P50208 A 20110210; RU 2008143358 A 20100510; RU 2433956 C2 20111120; US 2009175782 A1 20090709; US 9199856 B2 20151201; WO 2007128695 A2 20071115; WO 2007128695 A3 20080131
DOCDB simple family (application)
DE 102006020840 A 20060504; AU 2007247252 A 20070425; BR PI0711307 A 20070425; CA 2651956 A 20070425; CN 200780016096 A 20070425; EP 07728511 A 20070425; EP 2007054056 W 20070425; ME P50208 A 20070425; RU 2008143358 A 20070425; US 29857507 A 20070425