IT1243902B - Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico - Google Patents

Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico

Info

Publication number: IT1243902B
Authority: IT; Italy
Prior art keywords: slags; recovery; nitric acid; leaching; emerging
Prior art date: 1990-11-07

Application number

IT2199190A

Other languages

English (en)

Other versions

IT9021991A1 (it

Inventor

Gioacchino Sandro Di

Andrea Robertiello

Original Assignee

Eniricerche Spa

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.)

1990-11-07

Filing date

1990-11-07

Publication date

1994-06-28

1990-11-07 Application filed by Eniricerche Spa filed Critical Eniricerche Spa

1990-11-07 Priority to IT2199190A priority Critical patent/IT1243902B/it

1992-05-07 Publication of IT9021991A1 publication Critical patent/IT9021991A1/it

1994-06-28 Application granted granted Critical

1994-06-28 Publication of IT1243902B publication Critical patent/IT1243902B/it

Links

239000002893 slag Substances 0.000 title abstract 5
229910052751 metal Inorganic materials 0.000 title abstract 4
239000002184 metal Substances 0.000 title abstract 4
150000002739 metals Chemical class 0.000 title abstract 4
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title abstract 3
229910017604 nitric acid Inorganic materials 0.000 title abstract 3
238000011084 recovery Methods 0.000 title abstract 3
238000002386 leaching Methods 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 2
239000001099 ammonium carbonate Substances 0.000 abstract 2
239000000243 solution Substances 0.000 abstract 2
229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract 1
239000003929 acidic solution Substances 0.000 abstract 1
230000002378 acidificating effect Effects 0.000 abstract 1
235000012538 ammonium bicarbonate Nutrition 0.000 abstract 1
235000012501 ammonium carbonate Nutrition 0.000 abstract 1
238000000605 extraction Methods 0.000 abstract 1
238000001914 filtration Methods 0.000 abstract 1
238000005469 granulation Methods 0.000 abstract 1
230000003179 granulation Effects 0.000 abstract 1
238000006386 neutralization reaction Methods 0.000 abstract 1
238000001556 precipitation Methods 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1

Landscapes

Manufacture And Refinement Of Metals (AREA)
Electrolytic Production Of Metals (AREA)

IT2199190A 1990-11-07 1990-11-07 Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico IT1243902B (it)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
IT2199190A IT1243902B (it)	1990-11-07	1990-11-07	Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2199190A IT1243902B (it)	1990-11-07	1990-11-07	Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico

Publications (2)

Publication Number	Publication Date
IT9021991A1 IT9021991A1 (it)	1992-05-07
IT1243902B true IT1243902B (it)	1994-06-28

Family

ID=11189890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2199190A IT1243902B (it)	1990-11-07	1990-11-07	Procedimento per il recupero dei metalli presenti nelle scorie in uscita dagli impianti di produzione di piombo mediante lisciviazione con acido nitrico

Country Status (1)

Country	Link
IT (1)	IT1243902B (it)

1990
- 1990-11-07 IT IT2199190A patent/IT1243902B/it active IP Right Grant

Also Published As

Publication number	Publication date
IT9021991A1 (it)	1992-05-07

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Legal Events

Date	Code	Title	Description
1994-06-28	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19971113