DE69411333D1 - Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen - Google Patents

Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen

Info

Publication number: DE69411333D1
Authority: DE; Germany
Prior art keywords: recovery; used metal; etching solutions; metal etching; solutions
Prior art date: 1993-08-13
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

DE69411333T

Other languages

English (en)

Other versions

DE69411333T2 (de

Inventor

Antonio Maria Celi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ECOSCIENT S. A., LUXENBOURG, LU

Original Assignee

IN TEC ITALIA INT ENV TECH Srl

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.)

1993-08-13

Filing date

1994-08-10

Publication date

1998-08-06

1994-08-10 Application filed by IN TEC ITALIA INT ENV TECH Srl filed Critical IN TEC ITALIA INT ENV TECH Srl

1998-08-06 Publication of DE69411333D1 publication Critical patent/DE69411333D1/de

2000-05-04 Application granted granted Critical

2000-05-04 Publication of DE69411333T2 publication Critical patent/DE69411333T2/de

2014-08-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
ing And Chemical Polishing (AREA)
Electrolytic Production Of Metals (AREA)
Manufacture And Refinement Of Metals (AREA)
Weting (AREA)
Removal Of Specific Substances (AREA)

DE69411333T 1993-08-13 1994-08-10 Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen Expired - Fee Related DE69411333T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ITRM930558A IT1261515B (it)	1993-08-13	1993-08-13	Procedimento per il recupero delle soluzioni di incisione dei metalli spente.

Publications (2)

Publication Number	Publication Date
DE69411333D1 true DE69411333D1 (de)	1998-08-06
DE69411333T2 DE69411333T2 (de)	2000-05-04

Family

ID=11401921

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69411333T Expired - Fee Related DE69411333T2 (de)	1993-08-13	1994-08-10	Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen

Country Status (5)

Country	Link
US (1)	US5520814A (de)
EP (1)	EP0638662B1 (de)
DE (1)	DE69411333T2 (de)
ES (1)	ES2123744T3 (de)
IT (1)	IT1261515B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1262420B (it) *	1993-11-03	1996-06-19	In Tec Italia Int Env Tech Srl	Dispositivo e procedimento per il pretrattamento di rottame elettronico.
US5582737A (en) *	1995-11-07	1996-12-10	Eichrom Industries, Inc.	Ion exchange and regeneration process for separation and removal of iron (III) ions from aqueous sulfuric acid metal ion-containing solutions
EP1019565A1 (de) *	1997-09-10	2000-07-19	GRS Recycling GmbH & Co. KG	Verfahren zur aufbereitung alkalischer metallhaltiger ätzlösungen
US5948264A (en) *	1998-02-06	1999-09-07	Eichrom Industries, Inc.	Ion exchange and regeneration process for separation and removal of iron (III) ions from aqueous sulfuric acid metal ion-containing solutions
DE19815287A1 (de) *	1998-04-06	1999-10-07	Celi Ivo Letterio	Mehrstufen Gegenstrom Extraktionsturm mit statischem Mischer und integriertem Koaleszenzer
DE19815288A1 (de) *	1998-04-06	1999-10-07	Celi Ivo Letterio	Verfahren zur energiesparenden und abwasserfreien Aufbereitung ammoniakalischer Metallösung aus dem Ätzvorgang zur Herstellung der Leiterplatten
US7175819B2 (en) *	2005-03-04	2007-02-13	Phibro-Tech, Inc.	Regeneration of cupric etchants and recovery of copper sulfate
CN102320703B (zh) *	2011-06-02	2013-01-02	广州科城环保科技有限公司	一种蚀刻废液生产碱式氯化铜后的母液的回收方法
CN102583819B (zh) *	2012-02-03	2013-04-24	广州科城环保科技有限公司	一种酸性蚀刻废液提取氧化铜后废水的处理方法
CN110359051B (zh) *	2019-06-18	2020-09-22	龙建国	线路板蚀刻废液循环再利用的方法
EP3875643A3 (de) *	2020-03-04	2021-12-08	AT & S Austria Technologie & Systemtechnik Aktiengesellschaft	Verfahren zur verarbeitung eines ätzabfallmediums aus der leiterplatten- und/oder substratherstellung
JP7700427B2 (ja) *	2021-03-02	2025-07-01	エーティーアンドエスオーストリアテクノロジーアンドシステムテクニックアクツィエンゲゼルシャフト	サーキットボード及び／又は基板製造からのエッチング廃棄溶媒を処理する方法、及び、サーキットボード及び／又は基板製造産業プラント

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3224873A (en) *	1963-02-25	1965-12-21	Gen Mills Inc	Liquid-liquid recovery of copper values using alpha-hydroxy oximes
US3440036A (en) *	1966-05-16	1969-04-22	Nassau Smelting & Refining Co	Recovery of copper from copper-bearing solutions
CA902931A (en) *	1970-03-11	1972-06-20	H. Lucas Bernard	Copper extraction from ammoniacal solutions
US4083758A (en) *	1976-09-27	1978-04-11	Criterion	Process for regenerating and for recovering metallic copper from chloride-containing etching solutions
SE411231B (sv) *	1978-05-02	1979-12-10	Mx Processer Reinhardt	Forfarande for atervinning av ett ammonialkaliskt etsbad
JPS5591979A (en) *	1978-12-29	1980-07-11	Yamatoya Shokai:Kk	Recovering and circulating apparatus for alkaline etching waste solution
JPS55145177A (en) *	1979-04-28	1980-11-12	Kagaku Gijutsu Shinkoukai	Treating method of alkali etchant waste solution
US4272492A (en) *	1979-05-31	1981-06-09	Jensen Wayne H	Selective extraction and recovery of copper
SE420737B (sv) *	1980-03-18	1981-10-26	Mx Processer Reinhardt	Forfarande for extraktion av koppar ur en ammoniakalisk kopparlosning samt medel for utforande av forfarandet
US4329210A (en) *	1980-03-28	1982-05-11	Robert W. Becker	Method of regenerating etchant and recovering etched metal

1993
- 1993-08-13 IT ITRM930558A patent/IT1261515B/it active IP Right Grant
1994
- 1994-08-10 DE DE69411333T patent/DE69411333T2/de not_active Expired - Fee Related
- 1994-08-10 ES ES94830399T patent/ES2123744T3/es not_active Expired - Lifetime
- 1994-08-10 EP EP94830399A patent/EP0638662B1/de not_active Expired - Lifetime
1995
- 1995-08-30 US US08/521,280 patent/US5520814A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ITRM930558A0 (it)	1993-08-13
US5520814A (en)	1996-05-28
IT1261515B (it)	1996-05-23
ITRM930558A1 (it)	1995-02-13
EP0638662A1 (de)	1995-02-15
EP0638662B1 (de)	1998-07-01
DE69411333T2 (de)	2000-05-04
ES2123744T3 (es)	1999-01-16

Publication	Publication Date	Title
DE59403519D1 (de)	1997-09-04	Verfahren zur Rückgewinnung von fluorierten Carbonsäuren
DE69627613D1 (de)	2003-05-28	Verfahren zur Rückgewinnung von Substraten
DE69423400D1 (de)	2000-04-20	Verfahren zur Rückgewinnung von Benutzerdaten
DE69807157D1 (de)	2002-09-19	Verfahren zur Rückgewinnung von Acrylsäure
DE69433731D1 (de)	2004-05-27	Verfahren zur Wiedergewinnung von Lithium Ionen
DE69406167D1 (de)	1997-11-20	Verfahren zur Rückgewinnung von Carbonylierungsprodukten
DE69400257D1 (de)	1996-07-25	Verfahren zur Reinigung von Pentafluorethan
DE69024977D1 (de)	1996-02-29	Verfahren zur eliminierung von ätzsperrehinterschneidungen
DE69319711D1 (de)	1998-08-20	Verfahren zur entfernung von fluorwasserstoff
DE59301635D1 (de)	1996-03-28	Verfahren zur Wiedergewinnung von Jod
DE69007993D1 (de)	1994-05-19	Verfahren zur Wiedergewinnung von Bromwasserstoffsäure und Methanol.
DE69411333D1 (de)	1998-08-06	Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen
DE69216795D1 (de)	1997-02-27	Verfahren zur Dekontaminierung von Übergangsmetall
DE69633579D1 (de)	2004-11-11	Verfahren zur Rückgewinnung von Quecksilber
DE59404520D1 (de)	1997-12-11	Verfahren zur Hydroformylierung von Butadien-1.3
DE69806074D1 (de)	2002-07-25	Verfahren zur Rückgewinnung von Acrylsäure
DE69401036D1 (de)	1997-01-16	Verfahren zur Entfernung von Stickstoffoxiden
DE69433634D1 (de)	2004-04-22	Verfahren zur Umsetzung von Kohlenwasserstoffen
DE69301353D1 (de)	1996-02-29	Verfahren zur Wiedergewinnung von Thiocyanat
DE59305994D1 (de)	1997-04-30	Verfahren zur durchführung von stabilen niederdruck-glimmprozessen
DE59201246D1 (de)	1995-03-09	Verfahren zur Rückgewinnung von Adipinsäure.
DE69621533D1 (de)	2002-07-11	Verfahren zur Rückgewinnung von Pullulan
DE69304638D1 (de)	1996-10-17	Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE59400707D1 (de)	1996-10-31	Verfahren zur Dekontamination von radioaktiven Metalloberflächen
DE69404683D1 (de)	1997-09-11	Verfahren zur Dehydrierung von Fluoridmischungen

Legal Events

Date	Code	Title	Description
1999-07-29	8364	No opposition during term of opposition
2000-02-24	8327	Change in the person/name/address of the patent owner	Owner name: ECOSCIENT S. A., LUXENBOURG, LU
2000-02-24	8328	Change in the person/name/address of the agent	Free format text: PRUEFER UND KOLLEGEN, 81545 MUENCHEN
2001-09-06	8339	Ceased/non-payment of the annual fee