C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 7/00 (2006.01) C22B 1/02 (2006.01) C22B 3/20 (2006.01) C22B 23/00 (2006.01) C22B 34/24 (2006.01) C22B 34/36 (2006.01) C22B 61/00 (2006.01)
Patent
CA 2654516
The invention relates to a method for decomposing superalloys, especially superalloy scraps in an alkali metal salt bath and then recovering the precious metals, very precious metals such as tungsten, tantalum, and rhenium being recovered.
L'invention concerne un procédé permettant de désagréger des superalliages, notamment des riblons de superalliages dans un bain de sels fondus contenant des métaux alcalinoterreux et de récupérer ensuite les métaux de valeur. Ce procédé permet de récupérer des métaux très précieux, tels le tungstène, le tantale et le rhénium.
Erb Michael
Heine Karl-Heinz
Jahn Matthias
Kutzler Uwe
Meese-Marktscheffel Juliane
Fetherstonhaugh & Co.
H.c. Starck Gmbh
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