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MD1173F1 - Process for extraction of nonferrous metals from sewage sludges - Google Patents

Process for extraction of nonferrous metals from sewage sludges

Info

Publication number
MD1173F1
MD1173F1 MD980100A MD980100A MD1173F1 MD 1173 F1 MD1173 F1 MD 1173F1 MD 980100 A MD980100 A MD 980100A MD 980100 A MD980100 A MD 980100A MD 1173 F1 MD1173 F1 MD 1173F1
Authority
MD
Moldova
Prior art keywords
extraction
nonferrous metals
metals
sewage sludges
nonferrous
Prior art date
Application number
MD980100A
Other languages
Romanian (ro)
Other versions
MD1173G2 (en
Inventor
Olga Covaliova
Victor Covaliov
Gheorghe DUCA
Original Assignee
Univ De Stat Din Moldova
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ De Stat Din Moldova filed Critical Univ De Stat Din Moldova
Priority to MD98-0100A priority Critical patent/MD1173G2/en
Publication of MD1173F1 publication Critical patent/MD1173F1/en
Publication of MD1173G2 publication Critical patent/MD1173G2/en

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to the nonferrous and precious metals extraction technology from sludges resulting from the sewage treatment and can be used in the galvanic productions and hydrometall The summary of the invention consists in the fact that in the process, including the nonferrous metals compounds dissolution with the subsequent reduction of the metals by means of reducers
MD98-0100A 1998-04-24 1998-04-24 Process for extraction of nonferrous metals from sewage sludges MD1173G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD98-0100A MD1173G2 (en) 1998-04-24 1998-04-24 Process for extraction of nonferrous metals from sewage sludges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MD98-0100A MD1173G2 (en) 1998-04-24 1998-04-24 Process for extraction of nonferrous metals from sewage sludges

Publications (2)

Publication Number Publication Date
MD1173F1 true MD1173F1 (en) 1999-03-31
MD1173G2 MD1173G2 (en) 2000-02-29

Family

ID=19739153

Family Applications (1)

Application Number Title Priority Date Filing Date
MD98-0100A MD1173G2 (en) 1998-04-24 1998-04-24 Process for extraction of nonferrous metals from sewage sludges

Country Status (1)

Country Link
MD (1) MD1173G2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD488G2 (en) * 1996-02-21 1997-05-31 Государственный Университет Молд0 Process of extraction of heavy metals from the drainage water precipitations

Also Published As

Publication number Publication date
MD1173G2 (en) 2000-02-29

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Legal Events

Date Code Title Description
IF99 Valid patent on 19990615

Free format text: EXPIRES: 20180424