KR900003067A - 알칼리 금속 중크롬산염 및 크롬산의 제조방법 - Google Patents
알칼리 금속 중크롬산염 및 크롬산의 제조방법 Download PDFInfo
- Publication number
- KR900003067A KR900003067A KR1019890012119A KR890012119A KR900003067A KR 900003067 A KR900003067 A KR 900003067A KR 1019890012119 A KR1019890012119 A KR 1019890012119A KR 890012119 A KR890012119 A KR 890012119A KR 900003067 A KR900003067 A KR 900003067A
- Authority
- KR
- South Korea
- Prior art keywords
- alkali metal
- chromic acid
- metal dichromate
- preparing alkali
- dichromate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/22—Inorganic acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/14—Chromates; Bichromates
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/28—Per-compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (2)
- 양극부 및 음극부가 양이온 교환체 막에 의해 분리되는 전해 전지중에서 일크롬산염 및/또는 중크롬산염 용액을 전기 분해하여 알칼리 금속 중크롬산염 및 크롬산을 제조하는 방법에 있어서, 전기분해시 크롬산염-함유 용액을 pH 약 3 내지 10에서 음극부에 연속적으로 도입시킴을 특징으로 하는 개선된 방법.
- 제1항에 있어서, 크롬산염-함유 용액의 pH가 약 3.5 내지 6.0인 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3829122.3 | 1988-08-27 | ||
DE?P3829122.3? | 1988-08-27 | ||
DE3829122A DE3829122A1 (de) | 1988-08-27 | 1988-08-27 | Verfahren zur herstellung von alklidichromaten und chromsaeure |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900003067A true KR900003067A (ko) | 1990-03-23 |
KR970003072B1 KR970003072B1 (ko) | 1997-03-14 |
Family
ID=6361722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890012119A KR970003072B1 (ko) | 1988-08-27 | 1989-08-25 | 알칼리 금속 중크롬산염 및 크롬산의 제조방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5051155A (ko) |
EP (1) | EP0356807B1 (ko) |
JP (1) | JP2839156B2 (ko) |
KR (1) | KR970003072B1 (ko) |
AR (1) | AR244349A1 (ko) |
BR (1) | BR8904278A (ko) |
CA (1) | CA1337981C (ko) |
DE (2) | DE3829122A1 (ko) |
ES (1) | ES2037356T3 (ko) |
MX (1) | MX169890B (ko) |
ZA (1) | ZA896500B (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6063252A (en) * | 1997-08-08 | 2000-05-16 | Raymond; John L. | Method and apparatus for enriching the chromium in a chromium plating bath |
CN101892490A (zh) * | 2010-06-24 | 2010-11-24 | 中国科学院青海盐湖研究所 | 一种离子膜电解法连续制备重铬酸钠的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA739447A (en) * | 1966-07-26 | W. Carlin William | Electrolytic production of chromic acid | |
US2333578A (en) * | 1939-06-16 | 1943-11-02 | Internat Smelting & Refining C | Electrolytic chromate production |
JPS5839916B2 (ja) * | 1975-12-29 | 1983-09-02 | サイトウ カズオ | ロウカクロムサンヨウエキノサイセイシヨリホウホウオヨビソウチ |
US4290864A (en) * | 1979-05-29 | 1981-09-22 | Diamond Shamrock Corporation | Chromic acid production process using a three-compartment cell |
-
1988
- 1988-08-27 DE DE3829122A patent/DE3829122A1/de not_active Withdrawn
-
1989
- 1989-08-08 MX MX017104A patent/MX169890B/es unknown
- 1989-08-15 EP EP89115035A patent/EP0356807B1/de not_active Expired - Lifetime
- 1989-08-15 DE DE8989115035T patent/DE58901478D1/de not_active Expired - Lifetime
- 1989-08-15 ES ES198989115035T patent/ES2037356T3/es not_active Expired - Lifetime
- 1989-08-24 JP JP1216184A patent/JP2839156B2/ja not_active Expired - Lifetime
- 1989-08-25 AR AR89314752A patent/AR244349A1/es active
- 1989-08-25 BR BR898904278A patent/BR8904278A/pt not_active Application Discontinuation
- 1989-08-25 ZA ZA896500A patent/ZA896500B/xx unknown
- 1989-08-25 KR KR1019890012119A patent/KR970003072B1/ko not_active IP Right Cessation
- 1989-08-25 CA CA000609440A patent/CA1337981C/en not_active Expired - Fee Related
-
1990
- 1990-12-21 US US07/632,417 patent/US5051155A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2037356T3 (es) | 1993-06-16 |
JP2839156B2 (ja) | 1998-12-16 |
US5051155A (en) | 1991-09-24 |
KR970003072B1 (ko) | 1997-03-14 |
CA1337981C (en) | 1996-01-23 |
EP0356807A3 (en) | 1990-04-18 |
AR244349A1 (es) | 1993-10-29 |
EP0356807A2 (de) | 1990-03-07 |
ZA896500B (en) | 1990-05-30 |
MX169890B (es) | 1993-07-29 |
BR8904278A (pt) | 1990-04-17 |
JPH02102129A (ja) | 1990-04-13 |
EP0356807B1 (de) | 1992-05-20 |
DE3829122A1 (de) | 1990-03-01 |
DE58901478D1 (de) | 1992-06-25 |
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