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:
Jul. 10, 1990
Filed:
Sep. 05, 1989
Applicant:
Inventors:
Assignees:
Toppan Printing Co., Ltd., all of, JP;
Mitsubishi Rayon Engineering Co., Ltd., all of, JP;
Harima Chemial Industrial Co., Ltd., all of, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; B01F / ; B01J / ;
U.S. Cl.
CPC ...
366148 ; 366187 ; 366228 ; 210912 ; 422209 ;
Abstract
The present invention provides a stirring apparatus for mixing, with metallic iron masses, a concentrated strongly acidic ferric chloride waste fluid containing iron and one or more other heavy metals in which the content of nickel is highest, the stirring apparatus being characterized by comprising a rotating mechanism for rotating a container, and a passage which is disposed in a rotary shaft and through which excess gas and liquid generated during stirring is discharged into the outside.