EP4317537A4 - METHOD FOR REMOVING FERRIC ION FROM A SULFATE-BASED IRON ELECTROPLATING SOLUTION - Google Patents

METHOD FOR REMOVING FERRIC ION FROM A SULFATE-BASED IRON ELECTROPLATING SOLUTION Download PDF

Info

Publication number
EP4317537A4
EP4317537A4 EP21933323.4A EP21933323A EP4317537A4 EP 4317537 A4 EP4317537 A4 EP 4317537A4 EP 21933323 A EP21933323 A EP 21933323A EP 4317537 A4 EP4317537 A4 EP 4317537A4
Authority
EP
European Patent Office
Prior art keywords
sulfate
electroplating solution
ferric ions
based iron
removing ferric
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.)
Pending
Application number
EP21933323.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4317537A1 (en
Inventor
Jin-Ho Jung
Won-Hwi LEE
Kkoch-Nim OH
Sang-Bae Lim
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.)
Posco Holdings Inc
Original Assignee
Posco 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4317537A1 publication Critical patent/EP4317537A1/en
Publication of EP4317537A4 publication Critical patent/EP4317537A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • C25D21/18—Regeneration of process solutions of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/06—Filtering particles other than ions
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/20—Electroplating: Baths therefor from solutions of iron
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
EP21933323.4A 2021-03-22 2021-03-22 METHOD FOR REMOVING FERRIC ION FROM A SULFATE-BASED IRON ELECTROPLATING SOLUTION Pending EP4317537A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2021/003533 WO2022203095A1 (ko) 2021-03-22 2021-03-22 황산계 철 전기도금용액의 제2철 이온 제거 방법

Publications (2)

Publication Number Publication Date
EP4317537A1 EP4317537A1 (en) 2024-02-07
EP4317537A4 true EP4317537A4 (en) 2024-05-22

Family

ID=83395812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21933323.4A Pending EP4317537A4 (en) 2021-03-22 2021-03-22 METHOD FOR REMOVING FERRIC ION FROM A SULFATE-BASED IRON ELECTROPLATING SOLUTION

Country Status (6)

Country Link
US (1) US20240150924A1 (ko)
EP (1) EP4317537A4 (ko)
JP (1) JP2024509312A (ko)
KR (1) KR20230159574A (ko)
CN (1) CN117460867A (ko)
WO (1) WO2022203095A1 (ko)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5964800A (ja) * 1982-10-04 1984-04-12 Sumitomo Metal Ind Ltd 鉄系電気メツキ液の再生処理方法
JPS5983799A (ja) * 1982-11-02 1984-05-15 Nippon Steel Corp 金属めつき方法およびめつき装置
JPS63171899A (ja) * 1987-01-12 1988-07-15 Nisshin Steel Co Ltd 鉄イオンの還元方法
CN1096332A (zh) * 1993-04-22 1994-12-14 川崎制铁株式会社 镀锡液的回收再生方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63259089A (ja) 1987-04-16 1988-10-26 Kawasaki Steel Corp 鉄系めつき液中の第二鉄イオン電解還元方法
JPH06181533A (ja) 1992-03-12 1994-06-28 Hitachi Ltd コンパクトビデオカメラ，光学システム，電子ズーム付きビデオカメラ用レンズ及びコンパクトビデオカメラシステム
JP3234671B2 (ja) * 1993-04-23 2001-12-04 川崎製鉄株式会社 鉄系電気めっき液中の３価のＦｅイオンの高効率還元方法
KR0138617B1 (ko) * 1994-12-19 1998-07-15 김만제 철-망간 도금액 중의 제2철 이온제거방법
JPH09165698A (ja) * 1995-12-15 1997-06-24 Toyota Motor Corp 鉄系めっき液中の第二鉄イオンの電解還元方法
JPH10102300A (ja) * 1996-09-27 1998-04-21 Nippon Parkerizing Co Ltd 不溶性陽極を用いる鉄含有金属めっき用めっき液の管理方法
KR101105154B1 (ko) 2010-06-17 2012-01-17 주식회사 실리콘웍스 출력 드라이버의 출력 전압 안정화 회로
CN210163184U (zh) * 2019-06-05 2020-03-20 山东申龙水务有限公司 一种新型高级氧化铁盐污泥三价铁还原成二价铁装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5964800A (ja) * 1982-10-04 1984-04-12 Sumitomo Metal Ind Ltd 鉄系電気メツキ液の再生処理方法
JPS5983799A (ja) * 1982-11-02 1984-05-15 Nippon Steel Corp 金属めつき方法およびめつき装置
JPS63171899A (ja) * 1987-01-12 1988-07-15 Nisshin Steel Co Ltd 鉄イオンの還元方法
CN1096332A (zh) * 1993-04-22 1994-12-14 川崎制铁株式会社 镀锡液的回收再生方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022203095A1 *

Also Published As

Publication number Publication date
KR20230159574A (ko) 2023-11-21
WO2022203095A1 (ko) 2022-09-29
JP2024509312A (ja) 2024-02-29
CN117460867A (zh) 2024-01-26
US20240150924A1 (en) 2024-05-09
EP4317537A1 (en) 2024-02-07

Similar Documents

Publication Publication Date Title
EP4108349A4 (en) METHOD FOR TREATING AN ALLOY
EP3988175A4 (en) Method for treating malignant tumor
IL310975A (en) LOU064 for the treatment of multiple sclerosis
EP4317537A4 (en) METHOD FOR REMOVING FERRIC ION FROM A SULFATE-BASED IRON ELECTROPLATING SOLUTION
PL4061972T3 (pl) Ulepszony sposób wytapiania miedzi
EP3906218A4 (en) METHOD OF TREATMENT OF ELECTROLYTES FROM AN ELECTROREFINEMENT PROCESS
EP4048284A4 (en) METHOD FOR TREATING CANCER
EP3921285A4 (en) CONFIGURATIONS OF ELECTROLYZER SYSTEMS FOR EXTENSION OF ULTRAVIOLET ADVANCED OXIDATION PROCESSES
SG11202007020SA (en) Process kit for processing reduced sized substrates
MY162839A (en) Process for removing a coating from workpieces
PH12018502416A1 (en) Method for monitoring the total amount of brighteners in an acidic copper/copper alloy plating bath and controlled process for plating
EP3816109C0 (en) METHOD FOR TREATING A SOLUTION CONTAINING METAL
ZA202209709B (en) Method for pretreating high pyrrhotite-containing copper ore
EP3749616C0 (de) Verfahren zur abwasserbehandlung
EP3831781C0 (en) PROCESS FOR THE TREATMENT OF WASTE WATER
EP4129506A4 (en) METHOD FOR TREATING AN ALLOY
GB202312733D0 (en) Apparatus for separating ions
AU2019904089A0 (en) Method for treating wastewater
GB202314929D0 (en) Reduction process
EP4153791A4 (en) METHOD FOR PROCESSING ADVANCED HIGH-STRENGTH STEEL
EP4051437A4 (en) METHOD FOR PROCESS WATER TREATMENT
GB202312412D0 (en) Processing method
AU2020904604A0 (en) Process for treating water
GB202312154D0 (en) Casting process
ZA202003134B (en) Copper electrowinning pre-cell settler

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20240418

RIC1 Information provided on ipc code assigned before grant

Ipc: C25D 3/20 20060101ALI20240412BHEP

Ipc: C25D 21/06 20060101ALI20240412BHEP

Ipc: C25D 21/18 20060101AFI20240412BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)