FR2674843B1 - PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES. - Google Patents
PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES.Info
- Publication number
- FR2674843B1 FR2674843B1 FR9104113A FR9104113A FR2674843B1 FR 2674843 B1 FR2674843 B1 FR 2674843B1 FR 9104113 A FR9104113 A FR 9104113A FR 9104113 A FR9104113 A FR 9104113A FR 2674843 B1 FR2674843 B1 FR 2674843B1
- Authority
- FR
- France
- Prior art keywords
- sulfuric acid
- concentrated sulfuric
- organic impurities
- acid contaminated
- purifying concentrated
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9104113A FR2674843B1 (en) | 1991-04-04 | 1991-04-04 | PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9104113A FR2674843B1 (en) | 1991-04-04 | 1991-04-04 | PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2674843A1 FR2674843A1 (en) | 1992-10-09 |
FR2674843B1 true FR2674843B1 (en) | 1993-09-17 |
Family
ID=9411478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9104113A Expired - Fee Related FR2674843B1 (en) | 1991-04-04 | 1991-04-04 | PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2674843B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714665B1 (en) * | 1994-01-06 | 1996-04-05 | Inst Francais Du Petrole | New process for the purification of impure sulfuric acid. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1842884A (en) * | 1929-08-31 | 1932-01-26 | Grasselli Chemical Co | Process of purifying sulphuric acid |
US2794704A (en) * | 1954-03-19 | 1957-06-04 | Exxon Research Engineering Co | Treatment of spent sulfuric acid |
US3856673A (en) * | 1973-04-02 | 1974-12-24 | Air Prod & Chem | Purification of spent sulfuric acid |
DE2731638C2 (en) * | 1977-07-13 | 1985-08-14 | Bayer Ag, 5090 Leverkusen | Process for cleaning organically contaminated waste sulfuric acids |
SE464299B (en) * | 1988-11-16 | 1991-04-08 | Boliden Contech Ab | PROCEDURE FOR DETERMINING Sulfuric Acid Produced According to the Contact Method |
-
1991
- 1991-04-04 FR FR9104113A patent/FR2674843B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2674843A1 (en) | 1992-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2604990B1 (en) | PROCESS FOR THE PURIFICATION, BY A BIOLOGICAL WAY, OF WASTEWATER ON A BED OF GRANULAR MATERIAL | |
FR2682100B1 (en) | PROCESS AND DEVICE FOR THE BIOLOGICAL PURIFICATION OF WASTEWATER. | |
FR2594113B1 (en) | PROCESS AND PLANT FOR THE PURIFICATION OF WASTEWATER, ESPECIALLY URBAN WASTEWATER | |
FR2691452B1 (en) | Process for reprocessing residual sulfuric acid. | |
ES2068000T3 (en) | SEPARATION OF METALS FROM PEROXIACIDES OR AQUEOUS PEROXISALS. | |
FR2690683B1 (en) | PROCESS AND PLANT FOR THE PURIFICATION OF WASTE WATER, AND IN PARTICULAR FOR THE ELIMINATION OF NITROGEN POLLUTION, BY A BIOLOGICAL WAY. | |
FR2674843B1 (en) | PROCESS AND DEVICE FOR PURIFYING CONCENTRATED SULFURIC ACID CONTAMINATED BY ORGANIC IMPURITIES. | |
FR2563208B1 (en) | OZONE WATER TREATMENT PROCESS | |
FR2415603B1 (en) | WASTEWATER TREATMENT PLANT ACCORDING TO THE ACTIVATED SLUDGE PROCESS | |
PT75324B (en) | PROCESS FOR PURIFYING PHENOXYBENZOIC ACID DERIVATIVES | |
FR2314140A1 (en) | PROCESS FOR PURIFYING SULFURIC ACID CONTAINING ACETIC ACID | |
FR2527585B1 (en) | PROCESS FOR THE TREATMENT OF INDUSTRIAL WASTEWATER WITH ACTIVATED SLUDGE | |
FR2511359B1 (en) | OZONE WASTEWATER TREATMENT PROCESS | |
BE877787A (en) | PROCESS FOR PURIFYING SULFURIC ACID RESIDUAL FROM NITRATION PROCESSES | |
FR2689494B1 (en) | PROCESS AND DEVICE FOR THE PURIFICATION OF WASTE WATER BY BIOLOGICAL WAY. | |
FR2675709B1 (en) | PROCESS FOR THE CONCENTRATION OF AQUEOUS ACID SOLUTIONS BY ELECTRODIALYSIS. | |
FR2456711B1 (en) | PROCESS FOR REMOVING IMPURITIES FROM GROUNDWATER OR SURFACE USING OZONE | |
FR2749300B1 (en) | PROCESS FOR THE PURIFICATION OF ADIPIC ACID BY CRYSTALLIZATION | |
FR2609979B1 (en) | PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER | |
FR2608587B3 (en) | PROCESS FOR THE PURIFICATION OF INDUSTRIAL EFFLUENTS BY "LITHOTAMNIUM CALCAREUM" | |
FR2667860B1 (en) | PROCESS FOR BIOLOGICAL PURIFICATION OF WASTEWATER INCLUDING DENITRIFICATION. | |
FR2620439B1 (en) | METHOD AND DEVICE FOR THE TREATMENT, BY METHANIC FERMENTATION, OF LIPIDIC WASTE WATER | |
MA21205A1 (en) | PROCESS FOR THE ELMINATION OF ORGANIC MATTERS DISSOLVED IN PURIFIED PHOSPHORIC ACID. | |
RO80584A2 (en) | PROCESS FOR PURIFYING WASTEWATER WITH CONTENT OF ORGANIC IMPURITIES | |
FR2588850B1 (en) | PROCESS FOR REMOVAL OF TOXIC ORGANIC POLLUTANTS FROM WATER |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |