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:
Aug. 23, 2011
Filed:
Sep. 05, 2008
Ryoichi Arimura, Musashino, JP;
Nobuyuki Ashikaga, Kawasaki, JP;
Takashi Menju, Kawasaki, JP;
Atsushi Yukawa, Tokyo, JP;
Hiromi Tsukui, Tokyo, JP;
Hirofumi Noguchi, Yokohama, JP;
Shinji Oono, Tokyo, JP;
Ryoichi Arimura, Musashino, JP;
Nobuyuki Ashikaga, Kawasaki, JP;
Takashi Menju, Kawasaki, JP;
Atsushi Yukawa, Tokyo, JP;
Hiromi Tsukui, Tokyo, JP;
Hirofumi Noguchi, Yokohama, JP;
Shinji Oono, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A former () works, when supplied with wastewater containing heavy metals and hydrogen sulfide, to react heavy metals contained in wastewater with hydrogen sulfide to form sulfide salts, an acquirer () works, when supplied with sulfide salts and acid, to acquire hydrogen sulfide and heavy metal ions produced by reactions between sulfide salts and acid, a hydrogen sulfide supply line () supplies hydrogen sulfide acquired by the acquirer to the former, and a collection line () collects heavy metal ions.