FR2516908B1 - PROCESS FOR THE MANUFACTURE OF HIGHLY CRYSTALLIZED SYNTHETIC ANHYDRITE - Google Patents

PROCESS FOR THE MANUFACTURE OF HIGHLY CRYSTALLIZED SYNTHETIC ANHYDRITE

Info

Publication number
FR2516908B1
FR2516908B1 FR8219090A FR8219090A FR2516908B1 FR 2516908 B1 FR2516908 B1 FR 2516908B1 FR 8219090 A FR8219090 A FR 8219090A FR 8219090 A FR8219090 A FR 8219090A FR 2516908 B1 FR2516908 B1 FR 2516908B1
Authority
FR
France
Prior art keywords
manufacture
highly crystallized
synthetic anhydrite
crystallized synthetic
anhydrite
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
FR8219090A
Other languages
French (fr)
Other versions
FR2516908A1 (en
Inventor
Ulrich Mohn
Wolfgang Bloss
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller GmbH
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 L&C Steinmueller GmbH filed Critical L&C Steinmueller GmbH
Publication of FR2516908A1 publication Critical patent/FR2516908A1/en
Application granted granted Critical
Publication of FR2516908B1 publication Critical patent/FR2516908B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • 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
    • C01F11/46—Sulfates
    • 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
    • C01F11/46—Sulfates
    • C01F11/464—Sulfates of Ca from gases containing sulfur oxides
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
    • C04B11/264—Gypsum from the desulfurisation of flue gases
FR8219090A 1981-11-21 1982-11-15 PROCESS FOR THE MANUFACTURE OF HIGHLY CRYSTALLIZED SYNTHETIC ANHYDRITE Expired FR2516908B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813146143 DE3146143C2 (en) 1981-11-21 1981-11-21 Process for the production of synthetic anhydrite in finely crystalline form

Publications (2)

Publication Number Publication Date
FR2516908A1 FR2516908A1 (en) 1983-05-27
FR2516908B1 true FR2516908B1 (en) 1986-06-27

Family

ID=6146863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8219090A Expired FR2516908B1 (en) 1981-11-21 1982-11-15 PROCESS FOR THE MANUFACTURE OF HIGHLY CRYSTALLIZED SYNTHETIC ANHYDRITE

Country Status (6)

Country Link
JP (1) JPS58104022A (en)
BE (1) BE895068A (en)
DE (1) DE3146143C2 (en)
DK (1) DK497882A (en)
FR (1) FR2516908B1 (en)
NL (1) NL8204425A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE438846B (en) * 1982-11-12 1985-05-13 Flaekt Ab PROCEDURE AND DEVICE FOR CLEANING OF GAS GAS FROM SULFUR DIOXIDE
DE3539261A1 (en) * 1985-11-06 1987-05-07 Hoelter Heinz Anhydrite for the production of dam construction materials in mining
AT391465B (en) * 1986-08-26 1990-10-10 Donau Chemie Ag Method of processing chloride-rich flue gas desulphurization material (FGD material) to produce cement clinker
DE3719284A1 (en) * 1986-10-08 1988-04-21 Krc Umwelttechnik Gmbh METHOD FOR THE DISPOSAL OF WET FLUE GAS DESULFURATION PLANTS
DE3827612A1 (en) * 1988-08-13 1990-02-15 Viktor Dr Ing Gobiet Building material for use in underground operation
DE19708907C1 (en) * 1997-03-05 1998-04-16 Gfr Aufbereitung Reststoffe Processing organic material-contaminated gypsum waste
US8962730B2 (en) * 2012-11-27 2015-02-24 The Goodyear Tire & Rubber Company Self-healing rubber composition and tire
CN109876759B (en) * 2019-04-09 2021-07-20 昆山宇顺环保科技有限公司 Method and device for accelerating oxidation of calcium sulfite in desulfurized fly ash by using low-temperature waste gas

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB454239A (en) * 1935-03-25 1936-09-25 Francis Robert Himsworth Process for the production of anhydrous calcium sulphate and plasters made therefrom
DE2406054A1 (en) * 1974-02-08 1975-08-21 Fels Werke Peine Salzgitter METHOD OF CATALYTIC OXYDATION OF CALCIUM SULFITE
GB1547423A (en) * 1975-03-31 1979-06-20 Japan Government Gypsum whisker composites
GB1504688A (en) * 1975-04-11 1978-03-22 Exxon Research Engineering Co Mitigating or preventing environmental pollution by sulphur oxides in the treatment of sulphur-containing substance
DE2708984C2 (en) * 1977-03-02 1984-12-06 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Process for the production of calcium sulfate hemihydrate
DE2833382B2 (en) * 1978-07-29 1980-10-23 Saarbergwerke Ag, 6600 Saarbruecken Process for the utilization of the gypsum produced in flue gas desulphurization systems that are operated on a lime basis
DE2833757C2 (en) * 1978-08-01 1986-10-16 Richard E. Norristown Pa. Valiga Process for hardening inorganic, aqueous waste sludge
US4595576A (en) * 1981-09-04 1986-06-17 A/S Niro Atomizer Process for flue gas desulfurization
DE3135200A1 (en) * 1981-09-05 1983-03-17 L. & C. Steinmüller GmbH, 5270 Gummersbach METHOD FOR TREATING END PRODUCTS FROM THE FLUE GAS DESULFURATION

Also Published As

Publication number Publication date
DE3146143A1 (en) 1983-06-01
NL8204425A (en) 1983-06-16
BE895068A (en) 1983-03-16
FR2516908A1 (en) 1983-05-27
JPS58104022A (en) 1983-06-21
DE3146143C2 (en) 1986-06-19
DK497882A (en) 1983-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse