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:
May. 23, 2017
Filed:
Feb. 23, 2010
Hiroshi Kobayashi, Niihama, JP;
Norihisa Toki, Niihama, JP;
Hirofumi Shoji, Niihama, JP;
Keiji Kudo, Niihama, JP;
Tatsuya Higaki, Niihama, JP;
Hiroshi Kobayashi, Niihama, JP;
Norihisa Toki, Niihama, JP;
Hirofumi Shoji, Niihama, JP;
Keiji Kudo, Niihama, JP;
Tatsuya Higaki, Niihama, JP;
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Abstract
A removal method of manganese in which manganese is removed by precipitating manganese selectively from sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium. The removal method of manganese from waste water in which manganese is removed by precipitating manganese selectively from the sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium, characterized in that said waste water is subjected to the following steps (1) and (2).