IT1197489B - Processo e reattore per la produzione di gesso emiidrato alfa a partire da solfato di calcio diidrato di impianti di desolforazione di fumi di caldaia funzionanti con calce secondo il processo di lavaggio ad umido - Google Patents

Processo e reattore per la produzione di gesso emiidrato alfa a partire da solfato di calcio diidrato di impianti di desolforazione di fumi di caldaia funzionanti con calce secondo il processo di lavaggio ad umido

Info

Publication number
IT1197489B
IT1197489B IT21932/86A IT2193286A IT1197489B IT 1197489 B IT1197489 B IT 1197489B IT 21932/86 A IT21932/86 A IT 21932/86A IT 2193286 A IT2193286 A IT 2193286A IT 1197489 B IT1197489 B IT 1197489B
Authority
IT
Italy
Prior art keywords
reactor
suspension
prodn
gypsum
hydrate
Prior art date
Application number
IT21932/86A
Other languages
English (en)
Other versions
IT8621932A0 (it
Inventor
Berthold Kruger
Manfred Kraus
Willi Strauss
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
Priority claimed from DE19853536321 external-priority patent/DE3536321A1/de
Priority claimed from DE19863622277 external-priority patent/DE3622277A1/de
Application filed by Bischoff Gasreinigung filed Critical Bischoff Gasreinigung
Publication of IT8621932A0 publication Critical patent/IT8621932A0/it
Application granted granted Critical
Publication of IT1197489B publication Critical patent/IT1197489B/it

Links

Classifications

    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate
    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IT21932/86A 1985-10-11 1986-10-07 Processo e reattore per la produzione di gesso emiidrato alfa a partire da solfato di calcio diidrato di impianti di desolforazione di fumi di caldaia funzionanti con calce secondo il processo di lavaggio ad umido IT1197489B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853536321 DE3536321A1 (de) 1985-10-11 1985-10-11 Verfahren und reaktor fuer die herstellung von alphahalbhydratgips aus calciumsulfatdihydrat von nach dem nasswaschverfahren mit kalk arbeitenden rauchgasentschwefelungsanlagen
DE19863622277 DE3622277A1 (de) 1986-07-03 1986-07-03 Verfahren fuer die herstellung von alphahalbhydratgips aus calciumsulfatdihydrat von rauchgasentschwefelungsanlagen

Publications (2)

Publication Number Publication Date
IT8621932A0 IT8621932A0 (it) 1986-10-07
IT1197489B true IT1197489B (it) 1988-11-30

Family

ID=25836906

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21932/86A IT1197489B (it) 1985-10-11 1986-10-07 Processo e reattore per la produzione di gesso emiidrato alfa a partire da solfato di calcio diidrato di impianti di desolforazione di fumi di caldaia funzionanti con calce secondo il processo di lavaggio ad umido

Country Status (3)

Country Link
CA (1) CA1249414A (it)
IT (1) IT1197489B (it)
NL (1) NL8602538A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2733332C (en) 2011-02-25 2014-08-19 Fort Hills Energy L.P. Process for treating high paraffin diluted bitumen
CA2931815C (en) 2011-03-01 2020-10-27 Fort Hills Energy L.P. Process and unit for solvent recovery from solvent diluted tailings derived from bitumen froth treatment
CA2865139C (en) 2011-03-04 2015-11-17 Fort Hills Energy L.P. Process for co-directional solvent addition to bitumen froth
CA2735311C (en) 2011-03-22 2013-09-24 Fort Hills Energy L.P. Process for direct steam injection heating of oil sands bitumen froth
CA2848254C (en) 2011-04-28 2020-08-25 Fort Hills Energy L.P. Recovery of solvent from diluted tailings by feeding a desegregated flow to nozzles
CA2832269C (en) 2011-05-18 2017-10-17 Fort Hills Energy L.P. Temperature control of bitumen froth treatment process with trim heating of solvent streams

Also Published As

Publication number Publication date
NL8602538A (nl) 1987-05-04
CA1249414A (en) 1989-01-31
IT8621932A0 (it) 1986-10-07

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