Title:
改善された乾式精錬工程
Document Type and Number:
Japanese Patent JP7273819
Kind Code:
B2
Abstract:
A disclosed process produces at least one concentrated copper product together with at least one crude solder product, starting from a black copper composition with at least 50% of copper together with at least 1.0% wt of tin and at least 1.0% wt of lead The process includes the step of partially oxidizing the black copper thereby forming a first copper refining slag, followed by partially reducing the first copper refining slag to form a first lead-tin based metal composition and a first spent slag. The total feed to the reducing step includes an amount of copper that is at least 1.5 times as high as the sum of the amounts of Sn plus Pb present, and the first spent slag includes at most 20% wt total of copper, tin and lead together.
More Like This:
Inventors:
Colletti, Bart
Goris, Jean, Dark, A.
De Visa, Eve
Zinen, Charles
Guns, Walter
Moren, Nico
Smetz, Stephen
Belgermans, Andy
Goris, Jean, Dark, A.
De Visa, Eve
Zinen, Charles
Guns, Walter
Moren, Nico
Smetz, Stephen
Belgermans, Andy
Application Number:
JP2020532017A
Publication Date:
May 15, 2023
Filing Date:
December 11, 2018
Export Citation:
Assignee:
Aurbis Bease
International Classes:
C22B25/02; C22B5/18; C22B13/02; C22B15/00; C22C9/02; C22C9/08
Domestic Patent References:
| JP2011214021A |
Foreign References:
| CN104131170A | ||||
| DE102012005401A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Hiroe Associates Patent Office
Previous Patent: Improved pyrometallurgical process
Next Patent: Composite film, protective cover for electronic equipment, and method of making same
Next Patent: Composite film, protective cover for electronic equipment, and method of making same