Heavy metal collection system

Details Heavy metal collection system Heavy metal collection system

2011-08-23

2011-08-23

Hruskoci, Peter A (Department: 1778)

Liquid purification or separation

With preliminary chemical manufacture

C204S660000, C210S195100, C210S199000, C210S202000, C210S205000

Reexamination Certificate

active

08002980

ABSTRACT:
A former (11) 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 (12) 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 (13) supplies hydrogen sulfide acquired by the acquirer to the former, and a collection line (20) collects heavy metal ions.

REFERENCES:
patent: 4218431 (1980-08-01), Spevack
patent: 4354937 (1982-10-01), Hallberg
patent: 4424126 (1984-01-01), Santhanam et al.
patent: 6852305 (2005-02-01), Buisman et al.
patent: 7264733 (2007-09-01), Matsunami et al.
patent: 7279103 (2007-10-01), Burckle et al.
patent: 7862721 (2011-01-01), Ollivier et al.
patent: 1326512 (2001-12-01), None
patent: 62-193697 (1987-08-01), None
patent: 2002-210436 (2002-07-01), None
patent: WO 00/29605 (2000-05-01), None
First Office Action issued by the Chinese Patent Office on Jun. 7, 2010, for Chinese Patent Application No. 200810212573.5, and English-language translation of main text of First Office Action.

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