SE8002396L - Sett och apparat for regenerering av kromsyrabad - Google Patents

Sett och apparat for regenerering av kromsyrabad

Info

Publication number: SE8002396L
Authority: SE; Sweden
Prior art keywords: acid bath; regulation; chromic acid; chrome acid; catholyte
Prior art date: 1979-03-30

Application number

SE8002396A

Other languages

English (en)

Other versions

SE446198B (sv

Inventor

Jr L S Wright

Original Assignee

Ladney M Jr

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.)

1979-03-30

Filing date

1980-03-28

Publication date

1980-10-01

1980-03-28 Application filed by Ladney M Jr filed Critical Ladney M Jr

1980-10-01 Publication of SE8002396L publication Critical patent/SE8002396L/sv

1986-08-18 Publication of SE446198B publication Critical patent/SE446198B/sv

Links

239000002253 acid Substances 0.000 title 1
KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 abstract 2
AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
229910052787 antimony Inorganic materials 0.000 abstract 1
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
150000001768 cations Chemical class 0.000 abstract 1
238000000909 electrodialysis Methods 0.000 abstract 1
239000012528 membrane Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
230000001172 regenerating effect Effects 0.000 abstract 1
150000003839 salts Chemical class 0.000 abstract 1
229910052709 silver Inorganic materials 0.000 abstract 1
239000004332 silver Substances 0.000 abstract 1
229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
235000011152 sodium sulphate Nutrition 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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
- 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
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/13—Purification and treatment of electroplating baths and plating wastes

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

SE8002396A 1979-03-30 1980-03-28 Elektrodialysforfarande SE446198B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/025,381 US4243501A (en)	1979-03-30	1979-03-30	Process and apparatus for the regeneration of chromic acid baths

Publications (2)

Publication Number	Publication Date
SE8002396L true SE8002396L (sv)	1980-10-01
SE446198B SE446198B (sv)	1986-08-18

Family

ID=21825702

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8002396A SE446198B (sv)	1979-03-30	1980-03-28	Elektrodialysforfarande

Country Status (13)

Country	Link
US (1)	US4243501A (sv)
AU (1)	AU517783B2 (sv)
BR (1)	BR8001824A (sv)
CA (1)	CA1141701A (sv)
DE (1)	DE3009956C2 (sv)
DK (1)	DK137280A (sv)
ES (1)	ES8102599A1 (sv)
FR (1)	FR2452303A1 (sv)
GB (1)	GB2046793B (sv)
IT (1)	IT1128101B (sv)
MX (1)	MX153036A (sv)
NO (1)	NO155451C (sv)
SE (1)	SE446198B (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4318789A (en) *	1979-08-20	1982-03-09	Kennecott Corporation	Electrochemical removal of heavy metals such as chromium from dilute wastewater streams using flow through porous electrodes
US4437968A (en)	1980-09-10	1984-03-20	Zerpol Corporation	Boiler apparatus
US4670118A (en) *	1981-01-02	1987-06-02	Dorr-Oliver Incorporated	Electrode assembly and process for electrically augmented vacuum filtration
US4439293A (en) *	1981-03-09	1984-03-27	Vaughan Daniel J	Electrodialytic purification process
US4636288A (en) *	1984-01-06	1987-01-13	Vaughan Daniel J	Electrodialytic conversion of multivalent metal salts
US4701246A (en) *	1985-03-07	1987-10-20	Kabushiki Kaisha Toshiba	Method for production of decontaminating liquid
US4654137A (en) *	1985-04-15	1987-03-31	Vaughan Daniel J	Multicompartmented cell with freely-extendible tubular membrane
DE4007297C2 (de) *	1990-03-08	1995-12-14	Heraeus Elektrochemie	Elektrolysezelle zur elektrolytischen Behandlung von Prozeßflüssigkeit
GB2248070A (en) *	1990-09-20	1992-03-25	Huang Yun Fu	An apparatus for removing impurities contained in chrome plating bath
US5246559A (en) *	1991-11-29	1993-09-21	Eltech Systems Corporation	Electrolytic cell apparatus
DE4315411C2 (de) *	1993-05-10	1995-04-27	Lpw Anlagen Gmbh	Verfahren zur Regenerierung von verbrauchten Chromsäurelösungen
US6063252A (en) *	1997-08-08	2000-05-16	Raymond; John L.	Method and apparatus for enriching the chromium in a chromium plating bath
RU2208067C2 (ru) *	2001-09-20	2003-07-10	Закрытое акционерное общество "Научно-производственное предприятие "Машпром"	Способ регенерации хромовых электролитов (его варианты)
GB2399349A (en) *	2003-03-13	2004-09-15	Kurion Technologies Ltd	Regeneration of chromic acid etching and pickling baths
KR100790889B1 (ko) *	2006-09-26	2008-01-02	삼성전자주식회사	전기 투석 장치 및 이를 이용한 전기 투석 방법
EP3825441A1 (en)	2019-11-21	2021-05-26	COVENTYA S.p.A.	An electrolytic treatment device for preparing plastic parts to be metallized and a method for etching plastic parts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT213191B (de) *	1958-06-19	1961-01-25	Chem Fab Budenheim Ag	Verfahren zum Regenerieren von Beizsäuren
US3375179A (en) *	1964-10-29	1968-03-26	Litton Systems Inc	Method of anodizing beryllium and product thereof
GB1388204A (en) *	1971-04-05	1975-03-26	Fuji Kuromu Sha Kk	Process for the treatment of exhausted chromium-plating solutions
US3761369A (en) *	1971-10-18	1973-09-25	Electrodies Inc	Process for the electrolytic reclamation of spent etching fluids
US3764503A (en) *	1972-01-19	1973-10-09	Dart Ind Inc	Electrodialysis regeneration of metal containing acid solutions
US4006067A (en) *	1973-03-05	1977-02-01	Gussack Mark C	Oxidation-reduction process
US3948738A (en) *	1974-01-29	1976-04-06	Kabushiki Kaisha Fuji Kuromu Sha	Process for the regeneration of exhausted chromium-plating solutions by two-stage diaphragm electrolysis
US3909381A (en) *	1974-11-18	1975-09-30	Raymond John L	Purification of chromium plating solutions by electrodialysis
US4118295A (en) *	1976-04-20	1978-10-03	Dart Industries Inc.	Regeneration of plastic etchants

1979
- 1979-03-30 US US06/025,381 patent/US4243501A/en not_active Expired - Lifetime
1980
- 1980-03-04 AU AU56124/80A patent/AU517783B2/en not_active Ceased
- 1980-03-06 CA CA000347111A patent/CA1141701A/en not_active Expired
- 1980-03-14 DE DE3009956A patent/DE3009956C2/de not_active Expired
- 1980-03-14 IT IT48172/80A patent/IT1128101B/it active
- 1980-03-26 BR BR8001824A patent/BR8001824A/pt unknown
- 1980-03-27 ES ES490005A patent/ES8102599A1/es not_active Expired
- 1980-03-27 GB GB8010346A patent/GB2046793B/en not_active Expired
- 1980-03-28 MX MX181771A patent/MX153036A/es unknown
- 1980-03-28 FR FR8007027A patent/FR2452303A1/fr active Granted
- 1980-03-28 DK DK137280A patent/DK137280A/da not_active Application Discontinuation
- 1980-03-28 SE SE8002396A patent/SE446198B/sv not_active IP Right Cessation
- 1980-03-28 NO NO800904A patent/NO155451C/no unknown

Also Published As

Publication number	Publication date
AU5612480A (en)	1980-10-02
NO155451C (no)	1987-04-01
MX153036A (es)	1986-07-22
CA1141701A (en)	1983-02-22
NO800904L (no)	1980-10-01
FR2452303A1 (fr)	1980-10-24
IT1128101B (it)	1986-05-28
GB2046793B (en)	1983-05-05
AU517783B2 (en)	1981-08-27
NO155451B (no)	1986-12-22
ES490005A0 (es)	1981-02-16
ES8102599A1 (es)	1981-02-16
DK137280A (da)	1980-10-01
US4243501A (en)	1981-01-06
GB2046793A (en)	1980-11-19
DE3009956C2 (de)	1986-04-24
SE446198B (sv)	1986-08-18
DE3009956A1 (de)	1980-10-09
IT8048172A0 (it)	1980-03-14
BR8001824A (pt)	1980-11-18
FR2452303B1 (sv)	1983-04-29

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Legal Events

Date

Code

Title

Description

1995-01-31

NUG

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