FR1034442A - Production de l'anhydride sulfureux - Google Patents
Production de l'anhydride sulfureuxInfo
- Publication number
- FR1034442A FR1034442A FR1034442DA FR1034442A FR 1034442 A FR1034442 A FR 1034442A FR 1034442D A FR1034442D A FR 1034442DA FR 1034442 A FR1034442 A FR 1034442A
- Authority
- FR
- France
- Prior art keywords
- production
- sulfur dioxide
- sulfur
- dioxide
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/08—Driving mechanisms
- A47J43/082—Driving mechanisms for machines with tools driven from the upper side
-
- 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
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
- C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
- F16H55/566—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable only adjustable when pulley is stationary
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Food Science & Technology (AREA)
- Treating Waste Gases (AREA)
- Silicon Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8419/50A GB694035A (en) | 1950-04-04 | 1950-04-04 | Improvements in and relating to the production of sulphur dioxide |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1034442A true FR1034442A (fr) | 1953-07-23 |
Family
ID=9852159
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1034442D Expired FR1034442A (fr) | 1950-04-04 | 1951-03-27 | Production de l'anhydride sulfureux |
FR1038651D Expired FR1038651A (fr) | 1950-04-04 | 1951-03-27 | Fabrication de l'anhydride sulfureux |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1038651D Expired FR1038651A (fr) | 1950-04-04 | 1951-03-27 | Fabrication de l'anhydride sulfureux |
Country Status (6)
Country | Link |
---|---|
US (2) | US2687946A (fr) |
BE (2) | BE502284A (fr) |
DE (2) | DE903090C (fr) |
FR (2) | FR1034442A (fr) |
GB (2) | GB694035A (fr) |
NL (2) | NL78212C (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2901321A (en) * | 1956-06-20 | 1959-08-25 | Knud S Horn | Two-step method of making calcium oxide from calcium sulfate |
US3282646A (en) * | 1963-12-03 | 1966-11-01 | Allied Chem | Production of sulfur dioxide |
US3607036A (en) * | 1968-02-09 | 1971-09-21 | Cities Service Co | Recovery of sulfur from gypsum |
US3479138A (en) * | 1968-03-18 | 1969-11-18 | Olin Mathieson | Process for the recovery of p2o5 from phosphatic ores |
US3649182A (en) * | 1968-12-24 | 1972-03-14 | Wellman Lord Inc | Reduction of pyrosulfite |
CH593934A5 (fr) * | 1974-09-03 | 1977-12-30 | Inventa Ag | |
US4144312A (en) * | 1977-04-13 | 1979-03-13 | Lupis Claude H P | Desulfurization of fluorite ores |
US4312842A (en) * | 1980-02-12 | 1982-01-26 | Wilson Sr Eddie K | Process of manufacture of phosphoric acid with recovery of co-products |
US4415543A (en) * | 1980-02-12 | 1983-11-15 | Wilson Sr Eddie K | Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid |
NL8003307A (nl) * | 1980-06-06 | 1982-01-04 | Stamicarbon | Werkwijze voor het winnen van calciumverbindingen en zwaveldioxide uit calciumsulfaat, en calciumverbin- dingen en zwaveldioxide verkregen volgens deze werk- wijze. |
US4440733A (en) * | 1980-11-06 | 1984-04-03 | California Institute Of Technology | Thermochemical generation of hydrogen and carbon dioxide |
US4503018A (en) * | 1983-02-14 | 1985-03-05 | Davy Mckee Corporation | Desulfurization of phosphogypsum |
US4946658A (en) * | 1986-11-06 | 1990-08-07 | Florida Institute Of Phosphate Research | Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
CN1331738C (zh) * | 2000-09-01 | 2007-08-15 | 山东鲁北企业集团总公司 | 一种石膏分解工艺及装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1198817A (en) * | 1913-11-25 | 1916-09-19 | Lucien Paul Basset | Process of manufacturing cement or hydraulic lime from plaster. |
US1801741A (en) * | 1927-09-06 | 1931-04-21 | Firm G Polysius Ag | Method of reducing gypsum |
US2230592A (en) * | 1937-02-02 | 1941-02-04 | Walther H Duisberg | Process of preparing magnesia and sulphur dioxide |
US2222740A (en) * | 1937-04-15 | 1940-11-26 | Chemische Werke Vorm H & E Alb | Production of sulphur dioxide from calcium sulphate |
US2141228A (en) * | 1937-06-14 | 1938-12-27 | Commw Edison Co | Method of converting a sulphite into an oxide and sulphur dioxide |
US2250186A (en) * | 1938-02-02 | 1941-07-22 | Ig Farbenindustrie Ag | Manufacture of cement, alkali metal aluminate, and sulphur dioxide |
FR845050A (fr) * | 1938-04-13 | 1939-08-09 | Procédé de fabrication d'anhydride sulfureux | |
US2232099A (en) * | 1938-04-13 | 1941-02-18 | Alan N Mann | Process of decomposing calcium sulphate |
US2252279A (en) * | 1938-07-06 | 1941-08-12 | Walther H Duisberg | Manufacture of sulphur dioxide and portland cement from calcium sulphate and the usual additions containing aluminum silicate |
GB541993A (en) * | 1938-12-31 | 1941-12-22 | Cfcmug | Improvements in electric line protective systems |
-
0
- BE BE502247D patent/BE502247A/xx unknown
- NL NL78211D patent/NL78211C/xx active
- NL NL78212D patent/NL78212C/xx active
- BE BE502284D patent/BE502284A/xx unknown
-
1950
- 1950-04-04 GB GB8419/50A patent/GB694035A/en not_active Expired
- 1950-04-04 GB GB8420/50A patent/GB694036A/en not_active Expired
-
1951
- 1951-03-21 US US216843A patent/US2687946A/en not_active Expired - Lifetime
- 1951-03-21 US US216844A patent/US2687947A/en not_active Expired - Lifetime
- 1951-03-27 FR FR1034442D patent/FR1034442A/fr not_active Expired
- 1951-03-27 FR FR1038651D patent/FR1038651A/fr not_active Expired
- 1951-04-03 DE DEI3997A patent/DE903090C/de not_active Expired
- 1951-04-03 DE DEI3996A patent/DE903089C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB694035A (en) | 1953-07-15 |
BE502284A (fr) | |
NL78211C (fr) | |
US2687946A (en) | 1954-08-31 |
NL78212C (fr) | |
FR1038651A (fr) | 1953-09-30 |
GB694036A (en) | 1953-07-15 |
US2687947A (en) | 1954-08-31 |
DE903090C (de) | 1954-02-01 |
DE903089C (de) | 1954-02-01 |
BE502247A (fr) |
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