IT1243406B - Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici - Google Patents

Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici

Info

Publication number: IT1243406B
Authority: IT; Italy
Prior art keywords: nitric acid; surface pickling; metal products; oxidation; free solutions
Prior art date: 1990-12-03

Application number

IT02227290A

Other languages

English (en)

Other versions

IT9022272A0 (it

IT9022272A1 (it

Inventor

Vittorio Degara

Original Assignee

Vittorio Degara

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.)

1990-12-03

Filing date

1990-12-03

Publication date

1994-06-10

1990-12-03 Application filed by Vittorio Degara filed Critical Vittorio Degara

1990-12-03 Priority to IT02227290A priority Critical patent/IT1243406B/it

1990-12-03 Publication of IT9022272A0 publication Critical patent/IT9022272A0/it

1992-06-04 Publication of IT9022272A1 publication Critical patent/IT9022272A1/it

1994-06-10 Application granted granted Critical

1994-06-10 Publication of IT1243406B publication Critical patent/IT1243406B/it

Links

238000002161 passivation Methods 0.000 title abstract 3
238000005554 pickling Methods 0.000 title abstract 3
229910052751 metal Inorganic materials 0.000 title abstract 2
239000002184 metal Substances 0.000 title abstract 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title 1
229910001448 ferrous ion Inorganic materials 0.000 title 1
230000003647 oxidation Effects 0.000 title 1
238000007254 oxidation reaction Methods 0.000 title 1
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
-1 Fe3+ ions Chemical class 0.000 abstract 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
239000000654 additive Substances 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
239000006185 dispersion Substances 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
229910021645 metal ion Inorganic materials 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
150000002823 nitrates Chemical class 0.000 abstract 1
229910017604 nitric acid Inorganic materials 0.000 abstract 1
GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 abstract 1
239000007800 oxidant agent Substances 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
239000012286 potassium permanganate Substances 0.000 abstract 1
238000010405 reoxidation reaction Methods 0.000 abstract 1
230000003019 stabilising effect Effects 0.000 abstract 1
229910001220 stainless steel Inorganic materials 0.000 abstract 1
239000010935 stainless steel Substances 0.000 abstract 1
238000004381 surface treatment Methods 0.000 abstract 1
239000002351 wastewater Substances 0.000 abstract 1

Landscapes

Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

IT02227290A 1990-12-03 1990-12-03 Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici IT1243406B (it)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
IT02227290A IT1243406B (it)	1990-12-03	1990-12-03	Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT02227290A IT1243406B (it)	1990-12-03	1990-12-03	Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici

Publications (3)

Publication Number	Publication Date
IT9022272A0 IT9022272A0 (it)	1990-12-03
IT9022272A1 IT9022272A1 (it)	1992-06-04
IT1243406B true IT1243406B (it)	1994-06-10

Family

ID=11193980

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT02227290A IT1243406B (it)	1990-12-03	1990-12-03	Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici

Country Status (1)

Country	Link
IT (1)	IT1243406B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004020700A1 (en) *	2002-08-30	2004-03-11	Henkel Kommanditgesellschaft Auf Aktien	An economic method for restoring the oxidation potential of a pickling solution

1990
- 1990-12-03 IT IT02227290A patent/IT1243406B/it active IP Right Grant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004020700A1 (en) *	2002-08-30	2004-03-11	Henkel Kommanditgesellschaft Auf Aktien	An economic method for restoring the oxidation potential of a pickling solution

Also Published As

Publication number	Publication date
IT9022272A0 (it)	1990-12-03
IT9022272A1 (it)	1992-06-04

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Legal Events

Date	Code	Title	Description
1994-06-10	0001	Granted