TNSN87127A1 - Desulfurisation du gypse - Google Patents

Desulfurisation du gypse

Info

Publication number
TNSN87127A1
TNSN87127A1 TNTNSN87127A TNSN87127A TNSN87127A1 TN SN87127 A1 TNSN87127 A1 TN SN87127A1 TN TNSN87127 A TNTNSN87127 A TN TNSN87127A TN SN87127 A TNSN87127 A TN SN87127A TN SN87127 A1 TNSN87127 A1 TN SN87127A1
Authority
TN
Tunisia
Prior art keywords
balls
mixture
increased
pyritic
desulfurization
Prior art date
Application number
TNTNSN87127A
Other languages
English (en)
Inventor
Herbert Marten Jerome
Michael Lloyd George Jr
Original Assignee
Florida Inst Of Phosphate Res
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 Florida Inst Of Phosphate Res filed Critical Florida Inst Of Phosphate Res
Publication of TNSN87127A1 publication Critical patent/TNSN87127A1/fr

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
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C01F11/08—Oxides or hydroxides by reduction of sulfates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/182—Aggregate or filler materials, except those according to E01C7/26

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treating Waste Gases (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

CETTE INVENTION CONCERNE L'AMELIORATION DU PROCEDE DE GARDNER EN AUGMENTANT LE MELANGE DES BOULLETTES AVEC UNE MATIERE PYRITIQUE OU SON EQUIVALENT DANS LES TERMES DES CONTINUES DE FE OU DU S. EN UTILISANT LA MATIERE PYRITIQUE ET CARBONEUSE DANS LE MELANGE DE BOULLETTES, UN PRODUIT AGGLUTINE QUI A DES PROPRIETES CHIMIQUES ET PHYSIQUES AMELIOREES EST PRODUIT, LE CONTENU DE SOUFRE DE L'EFFLUENT GASEUX EST AUGMENTE, ET TOUTE L'EFFICACITE DU SOUFRE EST AUGMENTEE ET LA CONSOMMATION DE L'ELEMENT COMBUSTIBLE CARBONEUX CHERS EST REDUITE
TNTNSN87127A 1986-11-06 1987-11-06 Desulfurisation du gypse TNSN87127A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92743986A 1986-11-06 1986-11-06

Publications (1)

Publication Number Publication Date
TNSN87127A1 true TNSN87127A1 (fr) 1990-01-01

Family

ID=25454721

Family Applications (1)

Application Number Title Priority Date Filing Date
TNTNSN87127A TNSN87127A1 (fr) 1986-11-06 1987-11-06 Desulfurisation du gypse

Country Status (13)

Country Link
EP (1) EP0267031B1 (fr)
KR (1) KR950011830B1 (fr)
CN (1) CN1015252B (fr)
BR (1) BR8705952A (fr)
CA (1) CA1329466C (fr)
DE (1) DE3750606T2 (fr)
ES (1) ES2064320T3 (fr)
IN (1) IN170365B (fr)
MA (1) MA21103A1 (fr)
PH (1) PH23895A (fr)
TN (1) TNSN87127A1 (fr)
TR (1) TR26244A (fr)
ZA (1) ZA878361B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963513A (en) * 1989-05-24 1990-10-16 Florida Institute Of Phosphate Research Coal gasification cogeneration process
DD298769A5 (de) * 1990-01-05 1992-03-12 Dsz Schwefelsaeure Und Zement Gmbh Wolfen,De Rohmehle fuer das gips-schwefelsaeure-verfahren
PL186189B1 (pl) * 1997-06-23 2003-11-28 Kosicka Dobroslawa Sposób przetwarzania odpadów fosfogipsowych
CN1111078C (zh) * 1999-12-30 2003-06-11 赵善茂 一种锅炉烟气的综合利用方法
CN101468792B (zh) * 2007-12-28 2013-03-20 尹小林 工业废石膏制硫磺新工艺
CN111979423B (zh) * 2019-05-24 2021-09-03 中南大学 一种利用石膏渣强化回收铜熔炼渣中有价金属的方法
CN112024130A (zh) * 2020-08-06 2020-12-04 陈素恩 一种磷石膏浮选装置
CN113340105A (zh) * 2021-07-05 2021-09-03 昆明理工大学 一种利用烧结机分解处置磷石膏及资源化利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT218035B (de) * 1958-02-04 1961-11-10 Tiszamenti Vegyimuevek Verfahren zur Herstellung von Schwefeldioxyd durch Rösten von Kalziumsulfat und eisensulfidhaltigen Stoffen
DE2728149A1 (de) * 1977-06-22 1979-01-11 Visch Khim T I Verfahren zur verarbeitung von phosphogips
ES478382A1 (es) * 1978-04-02 1979-11-01 Abdel Fattah Sabry Hosein Kame Metodo para descomponer yeso fosforoso o yeso natural.
US4503018A (en) * 1983-02-14 1985-03-05 Davy Mckee Corporation Desulfurization of phosphogypsum

Also Published As

Publication number Publication date
TR26244A (tr) 1994-01-28
KR880006119A (ko) 1988-07-21
EP0267031B1 (fr) 1994-09-28
MA21103A1 (fr) 1988-07-01
ES2064320T3 (es) 1995-02-01
IN170365B (fr) 1992-03-21
CA1329466C (fr) 1994-05-17
PH23895A (en) 1989-12-18
EP0267031A1 (fr) 1988-05-11
CN87107380A (zh) 1988-06-22
CN1015252B (zh) 1992-01-01
DE3750606T2 (de) 1995-01-26
KR950011830B1 (ko) 1995-10-11
BR8705952A (pt) 1988-06-14
ZA878361B (fr) 1988-05-03
DE3750606D1 (de) 1994-11-03

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