FR2687656B1 - PROCESS FOR THE REMOVAL OF ORGANIC MATERIALS CONTAINED IN AN IMPURE SULFURIC ACID. USE OF THE RESULTING ACID AND TREATMENT OF THE FORMED GASEOUS EFFLUENT. - Google Patents
PROCESS FOR THE REMOVAL OF ORGANIC MATERIALS CONTAINED IN AN IMPURE SULFURIC ACID. USE OF THE RESULTING ACID AND TREATMENT OF THE FORMED GASEOUS EFFLUENT.Info
- Publication number
- FR2687656B1 FR2687656B1 FR9202072A FR9202072A FR2687656B1 FR 2687656 B1 FR2687656 B1 FR 2687656B1 FR 9202072 A FR9202072 A FR 9202072A FR 9202072 A FR9202072 A FR 9202072A FR 2687656 B1 FR2687656 B1 FR 2687656B1
- Authority
- FR
- France
- Prior art keywords
- removal
- treatment
- organic materials
- gaseous effluent
- materials contained
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/56—Addition to acyclic hydrocarbons
- C07C2/58—Catalytic processes
- C07C2/62—Catalytic processes with acids
-
- 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
-
- 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
- C01B17/92—Recovery from acid tar or the like, e.g. alkylation acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
- C07C2527/053—Sulfates or other compounds comprising the anion (SnO3n+1)2-
- C07C2527/054—Sulfuric acid or other acids with the formula H2Sn03n+1
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9202072A FR2687656B1 (en) | 1992-02-20 | 1992-02-20 | PROCESS FOR THE REMOVAL OF ORGANIC MATERIALS CONTAINED IN AN IMPURE SULFURIC ACID. USE OF THE RESULTING ACID AND TREATMENT OF THE FORMED GASEOUS EFFLUENT. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9202072A FR2687656B1 (en) | 1992-02-20 | 1992-02-20 | PROCESS FOR THE REMOVAL OF ORGANIC MATERIALS CONTAINED IN AN IMPURE SULFURIC ACID. USE OF THE RESULTING ACID AND TREATMENT OF THE FORMED GASEOUS EFFLUENT. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2687656A1 FR2687656A1 (en) | 1993-08-27 |
FR2687656B1 true FR2687656B1 (en) | 1994-06-17 |
Family
ID=9426926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9202072A Expired - Fee Related FR2687656B1 (en) | 1992-02-20 | 1992-02-20 | PROCESS FOR THE REMOVAL OF ORGANIC MATERIALS CONTAINED IN AN IMPURE SULFURIC ACID. USE OF THE RESULTING ACID AND TREATMENT OF THE FORMED GASEOUS EFFLUENT. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2687656B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040222157A1 (en) * | 2003-02-18 | 2004-11-11 | Minhas Bhupender S. | Process for the recovery of sulfuric acid using polymeric membranes |
US7997426B2 (en) | 2004-02-06 | 2011-08-16 | Exxonmobil Research And Engineering Company | Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB508302A (en) * | 1937-12-24 | 1939-06-26 | Joseph Pierre Leemans | Improvements in and relating to the bleaching of sulphuric acid |
US2588331A (en) * | 1948-03-20 | 1952-03-04 | Nicolay Titlestad Corp | Recovery of alkylation sludge acids |
GB865711A (en) * | 1956-05-23 | 1961-04-19 | Zieren Chemiebau Gmbh Dr A | Process for the removal of organic impurities in a contact sulphuric acid process |
DE2242055C3 (en) * | 1972-08-26 | 1979-05-31 | Industrie Chemie Thoma Gmbh, 6000 Frankfurt | Process for the concentration and purification of sulfuric acid contaminated by organic substances |
US3856673A (en) * | 1973-04-02 | 1974-12-24 | Air Prod & Chem | Purification of spent sulfuric acid |
DE2449425A1 (en) * | 1974-10-17 | 1976-04-29 | Hoechst Ag | Regeneration of spent sulphuric acid in Pauling's appts - with introduction of oxidising agent below surface of boiling liquid |
DE2942545A1 (en) * | 1979-10-20 | 1981-06-04 | Riedel-De Haen Ag, 3016 Seelze | METHOD FOR PRODUCING A CLEANED OXIDATION-RESISTANT INORGANIC ACID AND AFTER-OBTAINED ACID |
-
1992
- 1992-02-20 FR FR9202072A patent/FR2687656B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2687656A1 (en) | 1993-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |