JPH11507700A - 金属アンモニア溶液の再生法 - Google Patents
金属アンモニア溶液の再生法Info
- Publication number
- JPH11507700A JPH11507700A JP50256497A JP50256497A JPH11507700A JP H11507700 A JPH11507700 A JP H11507700A JP 50256497 A JP50256497 A JP 50256497A JP 50256497 A JP50256497 A JP 50256497A JP H11507700 A JPH11507700 A JP H11507700A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- organic
- water
- weight
- ammonia
- Prior art date
- 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.)
- Ceased
Links
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/30—Oximes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Water Treatments (AREA)
- ing And Chemical Polishing (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.アンモニア、少なくとも1つのアンモニウム塩および金属イオンを溶解し た形態で含むと共に、有用な金属を含む基質、特に銅含有電子素子の処理によっ て負荷された水溶液、特にエッチング液を処理する方法であって、 少なくとも以下の工程: a)有用な金属を含む溶液を水不混和性の有機抽出剤に接触させる、1または それ以上の抽出工程、 b)分離した有用な金属を含む有機抽出剤を水含有液体で洗浄する、1または それ以上の連続洗浄工程、および c)有用な金属を有機相から水性層に移動させる、1またはそれ以上のストリ ッピング工程 を含むこと、および 第1洗浄工程において6.5を越えるpH値の水を使用し、洗浄工程後であっ て再使用の前に、洗浄水を有機抽出液に接触させることを特徴とする方法。 2.0.1〜10重量%の塩化アンモニウムを含む水を、第1洗浄工程で用い る請求項1記載の方法。 3.0.5〜5重量%、好適には0.5〜1.5重量%の塩化アンモニウムを含 む水を、第1洗浄工程で使用する請求項1または2記載の方法。 4.第2洗浄工程において、4.5〜6.0のpH値の水を使用する請求項1〜 3のいずれかに記載の方法。 5.有機溶剤中に、金属イオンを含む有機抽出液に可溶性の錯体を形成する1 またはそれ以上の錯生成剤含む有機抽出液を使用する請求項1〜4のいずれかに 記載の方法。 6.錯生成剤として、アルドキシムおよび/またはケトキシムを用いる請求項 1〜5のいずれかに記載の方法。 7.1〜99重量%、好適には5〜35重量%、より好適には10〜30重量 %の錯生成剤を含む有機抽出剤を用いる請求項1〜6のいずれかに記載の方法。 8.有用な金属として、銅を回収する請求項1〜7のいずれかに記載の方法。 9.銅は、銅含有電子素子の処理によって得られる請求項8記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995121352 DE19521352A1 (de) | 1995-06-12 | 1995-06-12 | Verfahren zur Aufarbeitung ammoniakalischer Metallösungen |
DE19521352.1 | 1995-06-12 | ||
PCT/EP1996/002385 WO1996041902A1 (de) | 1995-06-12 | 1996-06-03 | Verfahren zur aufarbeitung ammoniakalischer metallösungen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11507700A true JPH11507700A (ja) | 1999-07-06 |
Family
ID=7764192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50256497A Ceased JPH11507700A (ja) | 1995-06-12 | 1996-06-03 | 金属アンモニア溶液の再生法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6045763A (ja) |
EP (1) | EP0833961B1 (ja) |
JP (1) | JPH11507700A (ja) |
KR (1) | KR19980702743A (ja) |
AU (1) | AU692108B2 (ja) |
CA (1) | CA2224322A1 (ja) |
DE (2) | DE19521352A1 (ja) |
TW (1) | TW388774B (ja) |
WO (1) | WO1996041902A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1141399A (en) * | 1997-09-10 | 1999-03-29 | In.Tec. Environment Technology Gmbh & Co Vertriebs Kg | Method for preparing alkaline metal-containing etching solutions |
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 |
US6596053B2 (en) | 1999-07-08 | 2003-07-22 | Cognis Corporation | Processes for the recovery of copper from aqueous solutions containing nitrate ions |
US6432167B1 (en) * | 1999-07-08 | 2002-08-13 | Cognis Corporation | Processes for the recovery of copper from aqueous solutions containing nitrate ions |
US6503363B2 (en) * | 2000-03-03 | 2003-01-07 | Seh America, Inc. | System for reducing wafer contamination using freshly, conditioned alkaline etching solution |
CN100406591C (zh) * | 2006-10-31 | 2008-07-30 | 东华大学 | 一种从电子废弃物中提取金属铜的方法 |
SE531697C2 (sv) * | 2007-07-11 | 2009-07-07 | Sigma Engineering Ab | Etsnings- och återvinningsförfarande |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743585A (en) * | 1971-10-12 | 1973-07-03 | Sec Corp | Metal recovery process |
US3981968A (en) * | 1973-10-19 | 1976-09-21 | Freeport Minerals Company | Solvent extraction of nickel from ammoniacal solutions |
US4012482A (en) * | 1975-07-21 | 1977-03-15 | Kennecott Copper Corporation | Scrubbing of ammonia from oxime liquid ion exchange reagents |
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 |
US4222832A (en) * | 1979-05-07 | 1980-09-16 | Kennecott Copper Corporation | Cascading electrolyte bleed streams |
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 |
US4507268A (en) * | 1982-01-25 | 1985-03-26 | Henkel Corporation | Solvent extraction |
DE4334696A1 (de) * | 1993-10-12 | 1995-04-13 | Vulkan Eng Gmbh | Verfahren zum Regenerieren von Ätzlösungen |
US5788844A (en) * | 1995-06-08 | 1998-08-04 | Henkel Corporation | Process for removing and recovering ammonia from organic metal extractant solutions in a liquid-liquid metal extraction process |
-
1995
- 1995-06-12 DE DE1995121352 patent/DE19521352A1/de not_active Withdrawn
-
1996
- 1996-03-11 TW TW85102937A patent/TW388774B/zh not_active IP Right Cessation
- 1996-06-03 EP EP96917489A patent/EP0833961B1/de not_active Expired - Lifetime
- 1996-06-03 CA CA 2224322 patent/CA2224322A1/en not_active Abandoned
- 1996-06-03 KR KR1019970706150A patent/KR19980702743A/ko not_active Application Discontinuation
- 1996-06-03 DE DE59603091T patent/DE59603091D1/de not_active Expired - Fee Related
- 1996-06-03 AU AU60044/96A patent/AU692108B2/en not_active Ceased
- 1996-06-03 WO PCT/EP1996/002385 patent/WO1996041902A1/de not_active Application Discontinuation
- 1996-06-03 JP JP50256497A patent/JPH11507700A/ja not_active Ceased
- 1996-06-03 US US08/983,064 patent/US6045763A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2224322A1 (en) | 1996-12-27 |
TW388774B (en) | 2000-05-01 |
DE59603091D1 (de) | 1999-10-21 |
AU692108B2 (en) | 1998-05-28 |
WO1996041902A1 (de) | 1996-12-27 |
US6045763A (en) | 2000-04-04 |
AU6004496A (en) | 1997-01-09 |
DE19521352A1 (de) | 1996-12-19 |
EP0833961A1 (de) | 1998-04-08 |
EP0833961B1 (de) | 1999-09-15 |
MX9710101A (es) | 1998-03-31 |
KR19980702743A (ko) | 1998-08-05 |
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