JPS55145177A - Treating method of alkali etchant waste solution - Google Patents

Treating method of alkali etchant waste solution

Info

Publication number
JPS55145177A
JPS55145177A JP5274179A JP5274179A JPS55145177A JP S55145177 A JPS55145177 A JP S55145177A JP 5274179 A JP5274179 A JP 5274179A JP 5274179 A JP5274179 A JP 5274179A JP S55145177 A JPS55145177 A JP S55145177A
Authority
JP
Japan
Prior art keywords
tank
soln
copper
extraction
delivered
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.)
Granted
Application number
JP5274179A
Other languages
Japanese (ja)
Other versions
JPS5617430B2 (en
Inventor
Saburo Ikeda
Yoshio Nakano
Kazuhide Honda
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.)
KAGAKU GIJUTSU SHINKOUKAI
DIC Corp
Original Assignee
KAGAKU GIJUTSU SHINKOUKAI
Dainippon Ink and Chemicals Co Ltd
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 KAGAKU GIJUTSU SHINKOUKAI, Dainippon Ink and Chemicals Co Ltd filed Critical KAGAKU GIJUTSU SHINKOUKAI
Priority to JP5274179A priority Critical patent/JPS55145177A/en
Publication of JPS55145177A publication Critical patent/JPS55145177A/en
Publication of JPS5617430B2 publication Critical patent/JPS5617430B2/ja
Granted legal-status Critical Current

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

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)
  • Physical Water Treatments (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

PURPOSE:To regenerate alkali etchant waste soln. and to recover copper simultaneously thereby treating waste soln. effectively, by treating alkali etchant waste soln. with naphthenic acid to remove copper. CONSTITUTION:Raw soln. sent from an alkali etchant waste soln. tank 1 is mixed in a primary extraction tank 2 with naphthenic acid for removing copper sent from a secondary reverse extraction and settling tank R2, then it is delivered to a primary extraction and settling tank T1. Regenerated soln. separated in the tank T1 is mixed in a secondary extraction tank 3 with copper-removing naphthenic acid sent from a reverse extraction ans settling tank R1 and is delivered to a secondary extraction and settling tank T2. The final regenerated soln. separated in the tank T2 is delivered through a solvent-separating cylinder 9 to a regenerated etchant tank 4. Dil. sulfuric acid sent from a sulfuric acid tank 5 is delivered to a reverse extraction tank 6, where it is mixed with copper naphthenate, then separated from the naphthenic acid in the reverse extraction tank R1 to form sulfuric acid soln. contg. copper sulphate, which is mixed in a reverse extraction tank 7 with copper naphthenate then copper is reversely extracted from the soln. in the reverse extraction and settling tank R2. These procedures permits to produce regenerated soln. which is similar to a fresh etchant.
JP5274179A 1979-04-28 1979-04-28 Treating method of alkali etchant waste solution Granted JPS55145177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5274179A JPS55145177A (en) 1979-04-28 1979-04-28 Treating method of alkali etchant waste solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5274179A JPS55145177A (en) 1979-04-28 1979-04-28 Treating method of alkali etchant waste solution

Publications (2)

Publication Number Publication Date
JPS55145177A true JPS55145177A (en) 1980-11-12
JPS5617430B2 JPS5617430B2 (en) 1981-04-22

Family

ID=12923343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5274179A Granted JPS55145177A (en) 1979-04-28 1979-04-28 Treating method of alkali etchant waste solution

Country Status (1)

Country Link
JP (1) JPS55145177A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638662A1 (en) * 1993-08-13 1995-02-15 IN.TEC. ITALIA INTERNATIONAL ENVIRONMENT TECHNOLOGY S.r.l. A process for recovering spent metal etching solutions
WO1999013130A1 (en) * 1997-09-10 1999-03-18 Grs Recycling Gmbh & Co. Kg Method for preparing alkaline metal-containing etching solutions
CN114314954A (en) * 2021-12-06 2022-04-12 深圳市祺鑫环保科技有限公司 Brown waste liquid treatment process

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221141Y2 (en) * 1981-05-26 1987-05-29
JPS61112835A (en) * 1984-11-05 1986-05-30 Kiriyuu Kikai Kk Brake disk having balance weight

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638662A1 (en) * 1993-08-13 1995-02-15 IN.TEC. ITALIA INTERNATIONAL ENVIRONMENT TECHNOLOGY S.r.l. A process for recovering spent metal etching solutions
WO1999013130A1 (en) * 1997-09-10 1999-03-18 Grs Recycling Gmbh & Co. Kg Method for preparing alkaline metal-containing etching solutions
CN114314954A (en) * 2021-12-06 2022-04-12 深圳市祺鑫环保科技有限公司 Brown waste liquid treatment process

Also Published As

Publication number Publication date
JPS5617430B2 (en) 1981-04-22

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