FR1038651A - Fabrication de l'anhydride sulfureux - Google Patents

Fabrication de l'anhydride sulfureux

Info

Publication number
FR1038651A
FR1038651A FR1038651DA FR1038651A FR 1038651 A FR1038651 A FR 1038651A FR 1038651D A FR1038651D A FR 1038651DA FR 1038651 A FR1038651 A FR 1038651A
Authority
FR
France
Prior art keywords
manufacture
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
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1038651A publication Critical patent/FR1038651A/fr
Expired legal-status Critical Current

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)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Food Science & Technology (AREA)
  • Treating Waste Gases (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR1038651D 1950-04-04 1951-03-27 Fabrication de l'anhydride sulfureux Expired FR1038651A (fr)

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
FR1038651A true FR1038651A (fr) 1953-09-30

Family

ID=9852159

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1038651D Expired FR1038651A (fr) 1950-04-04 1951-03-27 Fabrication de l'anhydride sulfureux
FR1034442D Expired FR1034442A (fr) 1950-04-04 1951-03-27 Production de l'anhydride sulfureux

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1034442D Expired FR1034442A (fr) 1950-04-04 1951-03-27 Production de l'anhydride sulfureux

Country Status (6)

Country Link
US (2) US2687947A (US06265458-20010724-C00056.png)
BE (2) BE502284A (US06265458-20010724-C00056.png)
DE (2) DE903090C (US06265458-20010724-C00056.png)
FR (2) FR1038651A (US06265458-20010724-C00056.png)
GB (2) GB694036A (US06265458-20010724-C00056.png)
NL (2) NL78212C (US06265458-20010724-C00056.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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 (US06265458-20010724-C00056.png) * 1974-09-03 1977-12-30 Inventa Ag
US4144312A (en) * 1977-04-13 1979-03-13 Lupis Claude H P Desulfurization of fluorite ores
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
US4312842A (en) * 1980-02-12 1982-01-26 Wilson Sr Eddie K Process of manufacture of phosphoric acid with recovery of co-products
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)

* Cited by examiner, † Cited by third party
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
US2232099A (en) * 1938-04-13 1941-02-18 Alan N Mann Process of decomposing calcium sulphate
FR845050A (fr) * 1938-04-13 1939-08-09 Procédé de fabrication d'anhydride sulfureux
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

Also Published As

Publication number Publication date
BE502284A (US06265458-20010724-C00056.png)
US2687947A (en) 1954-08-31
GB694035A (en) 1953-07-15
GB694036A (en) 1953-07-15
DE903089C (de) 1954-02-01
DE903090C (de) 1954-02-01
US2687946A (en) 1954-08-31
NL78211C (US06265458-20010724-C00056.png)
BE502247A (US06265458-20010724-C00056.png)
NL78212C (US06265458-20010724-C00056.png)
FR1034442A (fr) 1953-07-23

Similar Documents

Publication Publication Date Title
FR1038651A (fr) Fabrication de l'anhydride sulfureux
FR1112470A (fr) Transformation de l'anhydride sulfureux en anhydride sulfurique
FR1071769A (fr) Mécanisme d'enregistrement
FR988123A (fr) Production de polypropylènes oxydés
FR1070124A (fr) Fabrication du soufre et de l'anhydride sulfureux
FR1011572A (fr) Fabrication des cyclopentènolones et des hydroxydicétones
FR996544A (fr) Production de l'anhydride sulfureux
FR1189481A (fr) Production de masses de bioxyde d'uranium
FR1025338A (fr) Parc pour enfants
FR1026601A (fr) Balançoire d'appartement
FR1032589A (fr) Xanthatation continue de l'alcali-cellulose
CA467499A (en) Manufacture of sulphur trioxide
CA467500A (en) Manufacture of sulphur trioxide
FR1069005A (fr) Fabrication d'écrans microporeux
FR1041810A (fr) Fabrication de phénols
FR1056096A (fr) Synthèse de l'acide 4'-phosphate-pantothénique
FR1056097A (fr) Synthèse de l'acide 2'-phosphate-pantothénique
FR1004344A (fr) Procédé de fabrication simultanée d'anhydride sulfureux et de soufre
FR1034762A (fr) Fabrication de l'hexachlorure de benzène
FR1045659A (fr) Fabrication de succinimides substituées
FR1021072A (fr) Lange pour enfants
FR1013685A (fr) Fabrication de 17-hydroxystéroïdes
FR1007254A (fr) Boîte de construction
FR58861E (fr) Figurines animées
FR1029507A (fr) Nouveau mode de fabrication des boucles