FR2521972A1 - Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques - Google Patents
Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques Download PDFInfo
- Publication number
- FR2521972A1 FR2521972A1 FR8202866A FR8202866A FR2521972A1 FR 2521972 A1 FR2521972 A1 FR 2521972A1 FR 8202866 A FR8202866 A FR 8202866A FR 8202866 A FR8202866 A FR 8202866A FR 2521972 A1 FR2521972 A1 FR 2521972A1
- Authority
- FR
- France
- Prior art keywords
- regeneration
- organic materials
- soiled
- sulfuric acids
- acid
- 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.)
- Granted
Links
- 239000002253 acid Substances 0.000 title claims abstract description 11
- 230000008929 regeneration Effects 0.000 title claims abstract description 8
- 238000011069 regeneration method Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000011368 organic material Substances 0.000 title claims abstract description 5
- 150000007513 acids Chemical class 0.000 title abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000006056 electrooxidation reaction Methods 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241001550224 Apha Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
-
- 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)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8202866A FR2521972A1 (fr) | 1982-02-22 | 1982-02-22 | Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques |
| EP19830400260 EP0087346B1 (fr) | 1982-02-22 | 1983-02-07 | Procédé de régénération d'acides sulfuriques résiduaires souillés par des matières organiques |
| DE8383400260T DE3360249D1 (en) | 1982-02-22 | 1983-02-07 | Process for the regeneration of residual sulfuric acids contaminated with organic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8202866A FR2521972A1 (fr) | 1982-02-22 | 1982-02-22 | Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2521972A1 true FR2521972A1 (fr) | 1983-08-26 |
| FR2521972B1 FR2521972B1 (OSRAM) | 1984-06-15 |
Family
ID=9271206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8202866A Granted FR2521972A1 (fr) | 1982-02-22 | 1982-02-22 | Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0087346B1 (OSRAM) |
| DE (1) | DE3360249D1 (OSRAM) |
| FR (1) | FR2521972A1 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2216507C1 (ru) * | 2002-03-11 | 2003-11-20 | Институт химии и технологии редких элементов и минерального сырья им. И.В.Тананаева Кольского научного центра РАН | Способ переработки раствора, содержащего серную кислоту и примесные элементы |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2793180A (en) * | 1953-07-16 | 1957-05-21 | Standard Oil Co | Electrolytic regeneration of spent alkylation sulfuric acid |
| US2793181A (en) * | 1953-07-16 | 1957-05-21 | Standard Oil Co | Electrolytic regeneration of alkylation sulfuric acid |
| US3616337A (en) * | 1968-08-22 | 1971-10-26 | Texaco Inc | Electrochemical recovery of sulfuric acid |
| US3917521A (en) * | 1974-10-23 | 1975-11-04 | Dow Chemical Co | Sulfurless electrolytic concentration of aqueous sulfuric acid solutions |
-
1982
- 1982-02-22 FR FR8202866A patent/FR2521972A1/fr active Granted
-
1983
- 1983-02-07 EP EP19830400260 patent/EP0087346B1/fr not_active Expired
- 1983-02-07 DE DE8383400260T patent/DE3360249D1/de not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2793180A (en) * | 1953-07-16 | 1957-05-21 | Standard Oil Co | Electrolytic regeneration of spent alkylation sulfuric acid |
| US2793181A (en) * | 1953-07-16 | 1957-05-21 | Standard Oil Co | Electrolytic regeneration of alkylation sulfuric acid |
| US3616337A (en) * | 1968-08-22 | 1971-10-26 | Texaco Inc | Electrochemical recovery of sulfuric acid |
| US3917521A (en) * | 1974-10-23 | 1975-11-04 | Dow Chemical Co | Sulfurless electrolytic concentration of aqueous sulfuric acid solutions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2216507C1 (ru) * | 2002-03-11 | 2003-11-20 | Институт химии и технологии редких элементов и минерального сырья им. И.В.Тананаева Кольского научного центра РАН | Способ переработки раствора, содержащего серную кислоту и примесные элементы |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2521972B1 (OSRAM) | 1984-06-15 |
| EP0087346A1 (fr) | 1983-08-31 |
| DE3360249D1 (en) | 1985-07-18 |
| EP0087346B1 (fr) | 1985-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |