IT1040230B - Procedimento di trattamento di acque residue contenenti acido solforico - Google Patents
Procedimento di trattamento di acque residue contenenti acido solforicoInfo
- Publication number
- IT1040230B IT1040230B IT25914/75A IT2591475A IT1040230B IT 1040230 B IT1040230 B IT 1040230B IT 25914/75 A IT25914/75 A IT 25914/75A IT 2591475 A IT2591475 A IT 2591475A IT 1040230 B IT1040230 B IT 1040230B
- Authority
- IT
- Italy
- Prior art keywords
- treatment
- sulfuric acid
- containing sulfuric
- waters containing
- residual waters
- Prior art date
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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
-
- 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
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7428500A FR2281900A1 (fr) | 1974-08-14 | 1974-08-14 | Procede de traitement d'eaux residuaires contenant de l'acide sulfurique |
| FR7507330A FR2302971A2 (fr) | 1975-03-06 | 1975-03-06 | Procede de traitement des eaux residuaires contenant de l'acide sulfurique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1040230B true IT1040230B (it) | 1979-12-20 |
Family
ID=26218482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT25914/75A IT1040230B (it) | 1974-08-14 | 1975-07-30 | Procedimento di trattamento di acque residue contenenti acido solforico |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4039649A (it) |
| JP (1) | JPS5145456A (it) |
| CA (1) | CA1066021A (it) |
| DE (1) | DE2535886A1 (it) |
| ES (1) | ES440213A1 (it) |
| GB (1) | GB1524233A (it) |
| IT (1) | IT1040230B (it) |
| NL (1) | NL7509615A (it) |
| NO (1) | NO139382C (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625428U (it) * | 1979-08-03 | 1981-03-09 | ||
| PL147879B1 (en) * | 1986-06-23 | 1989-08-31 | Method for manufacturing barium sulfite | |
| DE3625029A1 (de) * | 1986-07-24 | 1988-02-18 | Hoelter Heinz | Verfahren zum kontinuierlichen aufbereiten von reaktionsprodukten aus rauchgaswaeschen mit simultaner entfernung von schwefeldioxid und stickstoffoxiden |
| US5217624A (en) * | 1989-09-11 | 1993-06-08 | Onoda Cement Co., Ltd. | Method for the disposal of aqueous sewage sludge |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1108705A (en) * | 1913-05-31 | 1914-08-25 | John William Cobb | Process of extracting ammonia and sulfur compounds from gas. |
| US1274247A (en) * | 1917-07-21 | 1918-07-30 | Lonza Ag | Process for oxidizing ammonium sulfite to ammonium sulfate. |
| GB378684A (en) * | 1931-05-13 | 1932-08-18 | Metallgesellschaft Ag | Process for the production of alkali sulphates and sulphur |
| US2856267A (en) * | 1954-04-12 | 1958-10-14 | Kamlet Jonas | Recovery of hydrogen sulphide from waste sludge acid |
| US2862789A (en) * | 1954-05-17 | 1958-12-02 | Cons Mining & Smelting Co | Treatment of flue gases |
| FR1568748A (it) * | 1967-06-26 | 1969-05-30 | ||
| US3729551A (en) * | 1971-01-07 | 1973-04-24 | Cons Coal Co | Conversion of calcium sulfate to calcium oxide and elemental sulfur |
| FR2179513B1 (it) * | 1972-04-10 | 1975-03-21 | Inst Francais Du Petrole |
-
1975
- 1975-07-30 IT IT25914/75A patent/IT1040230B/it active
- 1975-08-11 US US05/603,621 patent/US4039649A/en not_active Expired - Lifetime
- 1975-08-11 GB GB33396/75A patent/GB1524233A/en not_active Expired
- 1975-08-12 NL NL7509615A patent/NL7509615A/xx not_active Application Discontinuation
- 1975-08-12 ES ES440213A patent/ES440213A1/es not_active Expired
- 1975-08-12 DE DE19752535886 patent/DE2535886A1/de not_active Withdrawn
- 1975-08-13 CA CA233,391A patent/CA1066021A/fr not_active Expired
- 1975-08-13 NO NO752818A patent/NO139382C/no unknown
- 1975-08-13 JP JP50099065A patent/JPS5145456A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4039649A (en) | 1977-08-02 |
| CA1066021A (fr) | 1979-11-13 |
| NO139382B (no) | 1978-11-20 |
| NO139382C (no) | 1979-02-28 |
| NO752818L (it) | 1976-02-17 |
| DE2535886A1 (de) | 1976-02-26 |
| ES440213A1 (es) | 1977-06-16 |
| JPS5145456A (en) | 1976-04-17 |
| GB1524233A (en) | 1978-09-06 |
| NL7509615A (nl) | 1976-02-17 |
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