FR2348149A1 - RESIDUAL SULFURIC ACID REGENERATION PROCESS - Google Patents
RESIDUAL SULFURIC ACID REGENERATION PROCESSInfo
- Publication number
- FR2348149A1 FR2348149A1 FR7711389A FR7711389A FR2348149A1 FR 2348149 A1 FR2348149 A1 FR 2348149A1 FR 7711389 A FR7711389 A FR 7711389A FR 7711389 A FR7711389 A FR 7711389A FR 2348149 A1 FR2348149 A1 FR 2348149A1
- Authority
- FR
- France
- Prior art keywords
- sulfuric acid
- regeneration process
- acid regeneration
- residual sulfuric
- residual
- 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.)
- Withdrawn
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762616768 DE2616768C3 (en) | 1976-04-15 | 1976-04-15 | Process for the regeneration of waste sulfuric acid |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2348149A1 true FR2348149A1 (en) | 1977-11-10 |
Family
ID=5975511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7711389A Withdrawn FR2348149A1 (en) | 1976-04-15 | 1977-04-15 | RESIDUAL SULFURIC ACID REGENERATION PROCESS |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS52126693A (en) |
DE (1) | DE2616768C3 (en) |
FR (1) | FR2348149A1 (en) |
GB (1) | GB1561604A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2740405A1 (en) * | 1977-09-08 | 1979-03-29 | Hoechst Ag | DEVICE FOR DETERMINING THE REDOX POTENTIAL DURING THE REGENERATION OF CONTAMINATED WASTE SULFUR ACID IN PAULING APPARATUS |
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 |
JP2013095640A (en) * | 2011-11-01 | 2013-05-20 | Mitsubishi Gas Chemical Co Inc | Method for continuously regenerating sulfuric acid containing organic matter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR708882A (en) * | 1930-01-06 | 1931-07-29 | Wacker Chemie Gmbh | Concentration and simultaneous regeneration of solutions, acid wastes, etc., containing oxygenated sulfur acids |
DE1079606B (en) * | 1956-11-27 | 1960-04-14 | Harry Pauling Dipl Ing | Process for the regeneration of dilute sulfuric acids |
FR2233280A1 (en) * | 1973-06-14 | 1975-01-10 | Hoechst Ag | |
FR2253707A1 (en) * | 1973-12-06 | 1975-07-04 | Hoechst Ag | |
FR2267980A1 (en) * | 1974-04-16 | 1975-11-14 | Ici Ltd | Purifying sulphuric acid contg. org. sulphonic acids - as contaminants by concn., reaction with nitric acid and distn. |
-
1976
- 1976-04-15 DE DE19762616768 patent/DE2616768C3/en not_active Expired
-
1977
- 1977-04-14 GB GB1551777A patent/GB1561604A/en not_active Expired
- 1977-04-14 JP JP4210877A patent/JPS52126693A/en active Pending
- 1977-04-15 FR FR7711389A patent/FR2348149A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR708882A (en) * | 1930-01-06 | 1931-07-29 | Wacker Chemie Gmbh | Concentration and simultaneous regeneration of solutions, acid wastes, etc., containing oxygenated sulfur acids |
DE1079606B (en) * | 1956-11-27 | 1960-04-14 | Harry Pauling Dipl Ing | Process for the regeneration of dilute sulfuric acids |
FR2233280A1 (en) * | 1973-06-14 | 1975-01-10 | Hoechst Ag | |
FR2253707A1 (en) * | 1973-12-06 | 1975-07-04 | Hoechst Ag | |
FR2267980A1 (en) * | 1974-04-16 | 1975-11-14 | Ici Ltd | Purifying sulphuric acid contg. org. sulphonic acids - as contaminants by concn., reaction with nitric acid and distn. |
Also Published As
Publication number | Publication date |
---|---|
DE2616768C3 (en) | 1978-12-07 |
DE2616768A1 (en) | 1977-10-20 |
GB1561604A (en) | 1980-02-27 |
JPS52126693A (en) | 1977-10-24 |
DE2616768B2 (en) | 1978-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |