IT8322915A0 - Procedimento per produrre diidrato di solfato di calcio nel corso della desolforazione di gas di combustione. - Google Patents

Procedimento per produrre diidrato di solfato di calcio nel corso della desolforazione di gas di combustione.

Info

Publication number
IT8322915A0
IT8322915A0 IT8322915A IT2291583A IT8322915A0 IT 8322915 A0 IT8322915 A0 IT 8322915A0 IT 8322915 A IT8322915 A IT 8322915A IT 2291583 A IT2291583 A IT 2291583A IT 8322915 A0 IT8322915 A0 IT 8322915A0
Authority
IT
Italy
Prior art keywords
desulphurization
procedure
combustion gas
calcium sulfate
sulfate dihydrate
Prior art date
Application number
IT8322915A
Other languages
English (en)
Other versions
IT1169834B (it
Inventor
Karl Rudolf Hegemann
Helmut Weissert
Original Assignee
Bischoff Gasreinigung
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 Bischoff Gasreinigung filed Critical Bischoff Gasreinigung
Publication of IT8322915A0 publication Critical patent/IT8322915A0/it
Application granted granted Critical
Publication of IT1169834B publication Critical patent/IT1169834B/it

Links

Classifications

    • 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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C01F11/464—Sulfates of Ca from gases containing sulfur oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
IT22915/83A 1982-10-30 1983-09-19 Procedimento per produrre diidrato di solfato di calcio nel corso della desolforazione di gas di combustione IT1169834B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3240317A DE3240317C2 (de) 1982-10-30 1982-10-30 Verfahren zur Herstellung von Calciumsulfat-Dihydrat im Zuge der Entschwefelung von Rauchgasen aus Kraftwerkskesselfeuerungen

Publications (2)

Publication Number Publication Date
IT8322915A0 true IT8322915A0 (it) 1983-09-19
IT1169834B IT1169834B (it) 1987-06-03

Family

ID=6177034

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22915/83A IT1169834B (it) 1982-10-30 1983-09-19 Procedimento per produrre diidrato di solfato di calcio nel corso della desolforazione di gas di combustione

Country Status (8)

Country Link
US (1) US4503020A (it)
AT (1) AT386593B (it)
CA (1) CA1195090A (it)
DE (1) DE3240317C2 (it)
DK (1) DK494183A (it)
FR (1) FR2535303B1 (it)
IT (1) IT1169834B (it)
NL (1) NL8303219A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245754C2 (de) * 1982-12-10 1986-03-13 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Verfahren zum Herstellen von Calciumsulfatdihydrat
DE3410109C3 (de) * 1984-03-20 1993-12-02 Bischoff Gasreinigung Vorrichtung zur nassen Entschwefelung von Rauchgasen
DE3414822A1 (de) * 1984-04-19 1985-11-07 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Verfahren zur weiterverarbeitung von entschwefelungschlamm einer rauchgasentschwefelungsanlage
DE3415541A1 (de) * 1984-04-26 1985-10-31 Deutsche Babcock Anlagen Ag, 4200 Oberhausen Verfahren und vorrichtung zum entschwefeln von rauchgasen
DE3504775A1 (de) * 1985-02-13 1986-08-14 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Verwendung von dampfkraftwerksklaerschlamm fuer die nasse entschwefelung von rauchgasen
US4587112A (en) * 1985-06-20 1986-05-06 General Electric Company Effluent gas desulfurization with conversion to gypsum of large particle size
DE3601454A1 (de) * 1986-01-20 1987-07-30 Hoelter Heinz Verfahren zur entfernung von hcl, hf, so(pfeil abwaerts)3(pfeil abwaerts), so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) aus verbrennungsabgasen durch eine simultane nasswaesche mit gesteuertem waschwasserkreislauf und spezifischer kalkzugabe
DE4034497C1 (it) * 1990-10-30 1992-02-13 Metallgesellschaft Ag, 6000 Frankfurt, De
US5246679A (en) * 1991-05-07 1993-09-21 Electric Power Research Institute Addition of organophosphonates for size control of wet calcium-based FGD byproduct solids under inhibited oxidation conditions
US5246677A (en) * 1991-05-07 1993-09-21 Electric Power Research Institute Addition of organophosphonates for size control of wet calcium-based FGD byproduct solids under forced oxidation conditions
JP2923208B2 (ja) * 1994-09-12 1999-07-26 三菱重工業株式会社 湿式排煙脱硫装置
DE102005044779A1 (de) * 2005-09-20 2007-03-22 Messer Group Gmbh Verfahren zum Einstellen der Schwefeldioxidkonzentration in Rauchgasen
CN106044827B (zh) * 2016-07-12 2018-11-27 山东胜伟盐碱地科技有限公司 一种燃煤电厂脱硫石膏的除杂方法
CN111484062A (zh) * 2020-04-15 2020-08-04 江苏一夫科技股份有限公司 一种二水硫酸钙、其制备方法和用途

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2080779A (en) * 1937-05-18 Purification of combustion gases
US2090142A (en) * 1933-12-28 1937-08-17 Ici Ltd Wet purification of gases
DE1467292A1 (de) * 1963-08-24 1969-01-23 Yawata Chem Ind Co Ltd Verfahren zur kontinuierlichen Herstellung von Gips und Eisenoxyd
JPS5017318B1 (it) * 1970-12-29 1975-06-19
JPS5211680B2 (it) * 1973-03-14 1977-04-01
JPS5146678B2 (it) * 1973-03-14 1976-12-10
DE2519489A1 (de) * 1975-05-02 1976-11-18 Heinz Hoelter Verfahren zur herstellung von gips nach so tief 2-waschverfahren, vorzugsweise rauchgaswaesche hinter kraftwerken und sinterstrassen
JPS5140399A (en) * 1974-10-03 1976-04-05 Taki Chemical Aryusankarushiumuno shorihoho
JPS52123995A (en) * 1976-04-13 1977-10-18 Ishikawajima Harima Heavy Ind Co Ltd Flue gas desulfurization method with by-product gypsum
JPS5351199A (en) * 1976-10-22 1978-05-10 Michio Sekiya Manufacturing process for hydrate of crystalline calcium sulfate
JPS6031764B2 (ja) * 1977-01-17 1985-07-24 呉羽化学工業株式会社 排▲ヘウ▼脱硫方法
JPS5511045A (en) * 1978-07-11 1980-01-25 Mitsubishi Heavy Ind Ltd Exhaust gas processing method
US4250152A (en) * 1978-11-06 1981-02-10 Research-Cottrell, Inc. Sulfur dioxide scrubber with hyroclone separator
JPS55113621A (en) * 1979-02-21 1980-09-02 Babcock Hitachi Kk Manufacture of alpha hemihydrate gypsum
CA1129181A (en) * 1979-03-30 1982-08-10 Mark Richman So.sub.2 scrubbing system for flue gas desulfurization
JPS56149322A (en) * 1980-04-21 1981-11-19 Agency Of Ind Science & Technol Manufacture of alpha-type hemihydrate gypsum
JPS5771819A (en) * 1980-10-16 1982-05-04 Mitsubishi Heavy Ind Ltd Oxidation of calcium sulfite
DE3110974C2 (de) * 1981-03-20 1986-12-11 Knauf-Research-Cottrell GmbH & Co Umwelttechnik KG, 8715 Iphofen Verfahren zur Herstellung von sphärischen Calciumsulfatdihydrat-Körnern
DE3129878C2 (de) * 1981-07-29 1985-01-31 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Verfahren zur Herstellung von Alpha-Calciumsulfathalbhydrat aus Entschwefelungsschlamm

Also Published As

Publication number Publication date
AT386593B (de) 1988-09-12
FR2535303B1 (fr) 1985-11-29
NL8303219A (nl) 1984-05-16
CA1195090A (en) 1985-10-15
DK494183D0 (da) 1983-10-28
FR2535303A1 (fr) 1984-05-04
US4503020A (en) 1985-03-05
DE3240317A1 (de) 1984-05-03
DE3240317C2 (de) 1986-06-12
IT1169834B (it) 1987-06-03
DK494183A (da) 1984-05-01
ATA321283A (de) 1988-02-15

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