EP 0065854 A2 19821201 - Removal of alkali metals and alkaline earth metals from molten aluminium.
Title (en)
Removal of alkali metals and alkaline earth metals from molten aluminium.
Title (de)
Entfernung von Alkali- und Erdalkalimetallen aus geschmolzenem Aluminium.
Title (fr)
Elimination des métaux alcalins et alcalino-terreux contenus dans de l'aluminium en fusion.
Publication
Application
Priority
US 26525481 A 19810519
Abstract (en)
A method of removing dissolved contaminant alkali metals and alkaline earth metals from molten aluminium by reaction of the contaminants with solid particulate materials comprising aluminium fluoride, wherein a body of the molten aluminium to be decontaminated is stirred, in the presence of the aluminium fluoride particles, in such manner as to generate and maintain a stable vortex in the molten body.
IPC 1-7
IPC 8 full level
C22B 21/06 (2006.01)
CPC (source: EP)
C22B 21/062 (2013.01)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 0065854 A2 19821201; EP 0065854 A3 19830126; EP 0065854 B1 19850828; AU 553304 B2 19860710; AU 8378082 A 19821125; CA 1188107 A 19850604; CH 651320 A5 19850913; DE 3265793 D1 19851003; ES 512288 A0 19831016; ES 519264 A0 19840301; ES 8400501 A1 19831016; ES 8403169 A1 19840301; FR 2506333 A1 19821126; FR 2506333 B1 19901207; JP S57198226 A 19821204; JP S6017009 B2 19850430; NO 160663 B 19890206; NO 160663 C 19890516; NO 821659 L 19821122
DOCDB simple family (application)
EP 82302448 A 19820513; AU 8378082 A 19820518; CA 402577 A 19820510; CH 314182 A 19820519; DE 3265793 T 19820513; ES 512288 A 19820518; ES 519264 A 19830126; FR 8208574 A 19820517; JP 8469282 A 19820519; NO 821659 A 19820518