The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 1984
Filed:
Feb. 23, 1982
Applicant:
Inventors:
Hartmut Pietsch, Bad Homburg, DE;
Wolfgang Turke, Schoneck, DE;
Hubert Bings, Lunen, DE;
Karl-Josef Memmel, Staufenberg, DE;
Assignees:
Metallgesellschaft AG, Frankfurt am Main, DE;
Vereinigte Aluminium-Werke AG, Bonn, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423 20 ; 423-1 ; 4236585 ; 423150 ; 422202 ;
Abstract
A process of leaching ores, ore concentrates, intermediate metallurgical products and the like, which contain acid-soluble constituents, by a treatment in an acid aqueous solution under pressure in a tubular reactor. The slurry contains suitably 300 to 1100 g starting material per liter of water and a velocity of flow of 0.5 to 4.0 m/sec. is suitably maintained throughout the flow path in the tubular reactor of the slurry and of the leached suspension.