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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0880467 A1 19981202 - RED MUD PROCESSING

Title (en)

RED MUD PROCESSING

Title (de)

BEHANDLUNG VON ROTSCHLAMM

Title (fr)

TRAITEMENT DES BOUES ROUGES

Publication

EP 0880467 A1 19981202 (EN)

Application

EP 97902107 A 19970211

Priority

AU 9700073 W 19970211
AU PN808196 A 19960215

Abstract (en)

[origin: WO9729992A1] Soda and/or alumina values are recovered from sodium-aluminium-silicate desilication product (DSP) found in red mud formed in a Bayer process. DSP is mechanically activated to induce a mechanochemical reaction whereby soda and/or alumina values are solubilised.

IPC 1-7

C01F 7/06

IPC 8 full level

C01D 1/28 (2006.01); C01F 7/066 (2022.01)

CPC (source: EP)

C01D 1/28 (2013.01); C01F 7/066 (2013.01)

Designated contracting state (EPC)

DE ES FR GB GR IE IT

DOCDB simple family (publication)

WO 9729992 A1 19970821; AU PN808196 A0 19960307; BR 9707549 A 20000104; EP 0880467 A1 19981202; EP 0880467 A4 19990519

DOCDB simple family (application)

AU 9700073 W 19970211; AU PN808196 A 19960215; BR 9707549 A 19970211; EP 97902107 A 19970211