CA1249414A - Procede et reacteur pour l'obtention de sulfate de calcium semi-hydrate - Google Patents

Procede et reacteur pour l'obtention de sulfate de calcium semi-hydrate

Info

Publication number: CA1249414A
Authority: CA; Canada
Prior art keywords: reactor; suspension; calcium sulfate; pipe; steam
Prior art date: 1985-10-11
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

CA000520186A

Other languages

English (en)

Inventor

Berthold Kruger

Manfred Kraus

Willi Strauss

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.)

Gottfried Bischoff Bau Kompl Gasreinigungs und Wasserrueckkehlanlagen GmbH and Co KG

Original Assignee

Gottfried Bischoff Bau Kompl Gasreinigungs und Wasserrueckkehlanlagen GmbH and Co KG

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.)

1985-10-11

Filing date

1986-10-09

Publication date

1989-01-31

1985-10-11 Priority claimed from DE19853536321 external-priority patent/DE3536321A1/de

1986-07-03 Priority claimed from DE19863622277 external-priority patent/DE3622277A1/de

1986-10-09 Application filed by Gottfried Bischoff Bau Kompl Gasreinigungs und Wasserrueckkehlanlagen GmbH and Co KG filed Critical Gottfried Bischoff Bau Kompl Gasreinigungs und Wasserrueckkehlanlagen GmbH and Co KG

1989-01-31 Application granted granted Critical

1989-01-31 Publication of CA1249414A publication Critical patent/CA1249414A/fr

Status Expired legal-status Critical Current

Links

ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 title claims abstract description 28
238000000034 method Methods 0.000 title claims abstract description 16
230000008569 process Effects 0.000 title claims abstract description 15
239000000725 suspension Substances 0.000 claims abstract description 60
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 32
238000010438 heat treatment Methods 0.000 claims abstract description 23
239000012530 fluid Substances 0.000 claims abstract description 19
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
239000003546 flue gas Substances 0.000 claims abstract description 18
238000006243 chemical reaction Methods 0.000 claims abstract description 11
230000003009 desulfurizing effect Effects 0.000 claims abstract description 10
239000003795 chemical substances by application Substances 0.000 claims abstract description 8
238000005406 washing Methods 0.000 claims abstract description 7
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 6
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 6
239000004571 lime Substances 0.000 claims abstract description 6
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
230000006872 improvement Effects 0.000 claims description 16
238000002156 mixing Methods 0.000 claims description 10
239000011780 sodium chloride Substances 0.000 claims description 9
239000013535 sea water Substances 0.000 claims description 6
239000007791 liquid phase Substances 0.000 claims description 2
230000001737 promoting effect Effects 0.000 abstract description 7
238000002425 crystallisation Methods 0.000 description 11
230000008025 crystallization Effects 0.000 description 11
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 9
238000006477 desulfuration reaction Methods 0.000 description 8
230000023556 desulfurization Effects 0.000 description 8
230000008901 benefit Effects 0.000 description 5
150000004683 dihydrates Chemical class 0.000 description 5
230000009466 transformation Effects 0.000 description 5
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
239000011575 calcium Substances 0.000 description 3
239000013078 crystal Substances 0.000 description 3
229910052602 gypsum Inorganic materials 0.000 description 3
239000010440 gypsum Substances 0.000 description 3
239000011507 gypsum plaster Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
239000012752 auxiliary agent Substances 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
244000287680 Garcinia dulcis Species 0.000 description 1
108091006629 SLC13A2 Proteins 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000004035 construction material Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
238000010586 diagram Methods 0.000 description 1
VCSZKSHWUBFOOE-UHFFFAOYSA-N dioxidanium;sulfate Chemical compound O.O.OS(O)(=O)=O VCSZKSHWUBFOOE-UHFFFAOYSA-N 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005611 electricity Effects 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000011835 investigation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000013021 overheating Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
-1 that is Chemical compound 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
239000002351 wastewater Substances 0.000 description 1

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)

CA000520186A 1985-10-11 1986-10-09 Procede et reacteur pour l'obtention de sulfate de calcium semi-hydrate Expired CA1249414A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DEP3536321.5-45		1985-10-11
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
DEP3622277.1		1986-07-03
DE19863622277 DE3622277A1 (de)	1986-07-03	1986-07-03	Verfahren fuer die herstellung von alphahalbhydratgips aus calciumsulfatdihydrat von rauchgasentschwefelungsanlagen

Publications (1)

Publication Number	Publication Date
CA1249414A true CA1249414A (fr)	1989-01-31

Family

ID=25836906

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000520186A Expired CA1249414A (fr)	1985-10-11	1986-10-09	Procede et reacteur pour l'obtention de sulfate de calcium semi-hydrate

Country Status (3)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9676684B2 (en)	2011-03-01	2017-06-13	Fort Hills Energy L.P.	Process and unit for solvent recovery from solvent diluted tailings derived from bitumen froth treatment
US9791170B2 (en)	2011-03-22	2017-10-17	Fort Hills Energy L.P.	Process for direct steam injection heating of oil sands slurry streams such as bitumen froth
US10041005B2 (en)	2011-03-04	2018-08-07	Fort Hills Energy L.P.	Process and system for solvent addition to bitumen froth
US10125325B2 (en)	2011-02-25	2018-11-13	Fort Hills Energy L.P.	Process for treating high paraffin diluted bitumen
US10226717B2 (en)	2011-04-28	2019-03-12	Fort Hills Energy L.P.	Method of recovering solvent from tailings by flashing under choked flow conditions
US11261383B2 (en)	2011-05-18	2022-03-01	Fort Hills Energy L.P.	Enhanced temperature control of bitumen froth treatment process

1986
- 1986-10-07 IT IT21932/86A patent/IT1197489B/it active
- 1986-10-09 CA CA000520186A patent/CA1249414A/fr not_active Expired
- 1986-10-09 NL NL8602538A patent/NL8602538A/nl not_active Application Discontinuation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10125325B2 (en)	2011-02-25	2018-11-13	Fort Hills Energy L.P.	Process for treating high paraffin diluted bitumen
US9676684B2 (en)	2011-03-01	2017-06-13	Fort Hills Energy L.P.	Process and unit for solvent recovery from solvent diluted tailings derived from bitumen froth treatment
US10041005B2 (en)	2011-03-04	2018-08-07	Fort Hills Energy L.P.	Process and system for solvent addition to bitumen froth
US10988695B2 (en)	2011-03-04	2021-04-27	Fort Hills Energy L.P.	Process and system for solvent addition to bitumen froth
US9791170B2 (en)	2011-03-22	2017-10-17	Fort Hills Energy L.P.	Process for direct steam injection heating of oil sands slurry streams such as bitumen froth
US10226717B2 (en)	2011-04-28	2019-03-12	Fort Hills Energy L.P.	Method of recovering solvent from tailings by flashing under choked flow conditions
US11261383B2 (en)	2011-05-18	2022-03-01	Fort Hills Energy L.P.	Enhanced temperature control of bitumen froth treatment process

Also Published As

Publication number	Publication date
IT8621932A0 (it)	1986-10-07
NL8602538A (nl)	1987-05-04
IT1197489B (it)	1988-11-30

Legal Events

Date	Code	Title	Description
2006-10-09	MKEX	Expiry

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