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:
Dec. 10, 2013
Filed:
Oct. 30, 2006
Masayoshi Konishi, Chiyoda-ku, JP;
Masayoshi Konishi, Chiyoda-ku, JP;
Abstract
The present invention has an object to provide a method and an apparatus for removing metals in waste water, such as thallium contained in waste water generated by rinsing waste containing chlorine, ash obtained by burning garbage, fly ash, etc. and reduces the concentration of metals in the waste water to a discharge standard, and the present invention provides a method for removing metals comprising applying direct-current electricity by an electrolyzerto waste water S, which contains metal aggregate, discharged via a reaction tank, a settler, and a reaction tank, and thereby the waste water Sis electrolyzed together with depositing metals dissolve in the waste water Sas metal oxides, separating the waste water containing deposited metal oxides in a precision filtration apparatusinto suspended solid MP and waste water S, and removing a small amount of metals dissolve in the waste water Safter removing the suspended solid MP in an ion exchange unit