JPS49196A - - Google Patents
Info
- Publication number
- JPS49196A JPS49196A JP48026541A JP2654173A JPS49196A JP S49196 A JPS49196 A JP S49196A JP 48026541 A JP48026541 A JP 48026541A JP 2654173 A JP2654173 A JP 2654173A JP S49196 A JPS49196 A JP S49196A
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Magnetic Ceramics (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2210637A DE2210637B2 (de) | 1972-03-06 | 1972-03-06 | Verfahren zur Herstellung eines Schwefeldioxid enthaltenden Gases aus einer bei der TitanweiBherstellung anfallenden Dünnsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS49196A true JPS49196A (ja) | 1974-01-05 |
Family
ID=5838004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48026541A Pending JPS49196A (ja) | 1972-03-06 | 1973-03-05 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3906039A (ja) |
JP (1) | JPS49196A (ja) |
BE (1) | BE796201A (ja) |
DE (1) | DE2210637B2 (ja) |
FR (1) | FR2174916B1 (ja) |
GB (1) | GB1424778A (ja) |
IT (1) | IT981074B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5083399A (ja) * | 1973-11-28 | 1975-07-05 | ||
JPH02289406A (ja) * | 1989-04-07 | 1990-11-29 | Sulzer Escher Wyss Ag | 低濃度廃硫酸の再生利用方法 |
JP2009257920A (ja) * | 2008-04-16 | 2009-11-05 | Nippon Steel Corp | 石炭中硫黄の形態別定量方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2448676A1 (de) * | 1974-10-12 | 1976-04-22 | Hoechst Ag | Verfahren zur herstellung von schwefeldioxid |
DE2643798A1 (de) * | 1976-09-29 | 1978-04-06 | Bayer Ag | Verfahren zur aufarbeitung von abfallschwefelsaeure und eisensulfatheptahydrat zu frischsaeure |
DE2710978A1 (de) * | 1977-03-12 | 1978-09-21 | Metallgesellschaft Ag | Verfahren zur thermischen spaltung von ueberwiegend eisensulfat enthaltenden salzen |
US5730950A (en) * | 1996-06-25 | 1998-03-24 | Jennifer L. Klotz | Sulfuric acid waste recycling by regenerative process |
US6773604B2 (en) * | 2001-08-17 | 2004-08-10 | U.S. Peroxide Llc | Method for reducing hydrogen sulfide emissions from wastewater |
CN114031045B (zh) * | 2021-11-15 | 2023-12-05 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种提高硫酸法钛白回用废酸浓缩效率的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1048247A (en) * | 1911-07-25 | 1912-12-24 | Charles A Weeks | Recovery of sulfuric acid and iron oxid from ferrous-sulfate sludge. |
US2155119A (en) * | 1935-08-13 | 1939-04-18 | American Lurgi Corp | Process of and apparatus for the thermal decomposition of substances or mixtures of same |
US2098056A (en) * | 1936-02-15 | 1937-11-02 | Du Pont | Utilization of waste products in the manufacture of titanium compounds from titanium ores |
US2202414A (en) * | 1938-12-03 | 1940-05-28 | Chemical Construction Corp | Production of sulphur dioxide from metal sulphates |
US2280508A (en) * | 1940-07-11 | 1942-04-21 | Gen Chemical Corp | Manufacture of sulphuric acid |
US2936215A (en) * | 1956-12-19 | 1960-05-10 | Combustion Eng | Chemical recovery unit |
US3047362A (en) * | 1958-12-29 | 1962-07-31 | Combustion Eng | Treatment of waste liquors |
NL273476A (ja) * | 1961-01-26 | 1900-01-01 | ||
US3387927A (en) * | 1963-12-03 | 1968-06-11 | Battelle Development Corp | Method of regenerating waste pickle liquors |
US3439724A (en) * | 1965-08-23 | 1969-04-22 | Chemical Construction Corp | Method and apparatus for the concentration of dilute black liquor |
US3812242A (en) * | 1969-04-19 | 1974-05-21 | It Resine Spa Soc | Process for the simultaneous production of sulphur dioxide and concentrated aqueous sulphuric acid |
DE2037619B2 (de) * | 1970-07-29 | 1972-07-13 | Chemiebau Dr. A. Zieren GmbH & Co KG, 5000 Köln | Verfahren zur spaltung von schwefelsaeure |
US3745207A (en) * | 1971-01-25 | 1973-07-10 | Environmental Technology | Process for the recovery of waste pickle liquor |
-
1972
- 1972-03-06 DE DE2210637A patent/DE2210637B2/de not_active Withdrawn
-
1973
- 1973-03-02 IT IT21130/73A patent/IT981074B/it active
- 1973-03-02 BE BE128306A patent/BE796201A/xx unknown
- 1973-03-02 FR FR7307493A patent/FR2174916B1/fr not_active Expired
- 1973-03-05 JP JP48026541A patent/JPS49196A/ja active Pending
- 1973-03-05 GB GB1054273A patent/GB1424778A/en not_active Expired
- 1973-03-06 US US338416A patent/US3906039A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5083399A (ja) * | 1973-11-28 | 1975-07-05 | ||
JPS557428B2 (ja) * | 1973-11-28 | 1980-02-25 | ||
JPH02289406A (ja) * | 1989-04-07 | 1990-11-29 | Sulzer Escher Wyss Ag | 低濃度廃硫酸の再生利用方法 |
JP2009257920A (ja) * | 2008-04-16 | 2009-11-05 | Nippon Steel Corp | 石炭中硫黄の形態別定量方法 |
Also Published As
Publication number | Publication date |
---|---|
IT981074B (it) | 1974-10-10 |
DE2210637A1 (de) | 1973-09-20 |
FR2174916A1 (ja) | 1973-10-19 |
FR2174916B1 (ja) | 1977-12-30 |
GB1424778A (en) | 1976-02-11 |
DE2210637B2 (de) | 1975-12-04 |
US3906039A (en) | 1975-09-16 |
BE796201A (fr) | 1973-07-02 |