CA1338921C - Method of processing calcium alpha hemihydrate - Google Patents

Method of processing calcium alpha hemihydrate

Info

Publication number: CA1338921C
Authority: CA; Canada
Prior art keywords: calcium sulfate; alpha hemihydrate; sulfate alpha; acid; specific surface
Prior art date: 1988-05-14
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 - Fee Related

Application number

CA 600321

Other languages

English (en)

French (fr)

Inventor

Thomas Koslowski

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.)

Sicowa Verfahrenstechnik fuer Baustoffe GmbH and Co KG

Promineral Gesellschaft zur Verwendung von Mineralstoffen mbH

Original Assignee

Sicowa Verfahrenstechnik fuer Baustoffe GmbH and Co KG

Promineral Gesellschaft zur Verwendung von Mineralstoffen mbH

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.)

1988-05-14

Filing date

1989-05-15

Publication date

1997-02-25

1988-05-14 Priority claimed from DE3816513A external-priority patent/DE3816513C3/de

1988-12-15 Priority claimed from EP88120944A external-priority patent/EP0342272B1/de

1989-05-15 Application filed by Sicowa Verfahrenstechnik fuer Baustoffe GmbH and Co KG, Promineral Gesellschaft zur Verwendung von Mineralstoffen mbH filed Critical Sicowa Verfahrenstechnik fuer Baustoffe GmbH and Co KG

1997-02-25 Application granted granted Critical

1997-02-25 Publication of CA1338921C publication Critical patent/CA1338921C/en

2014-02-25 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 25
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title description 2
229910052791 calcium Inorganic materials 0.000 title description 2
239000011575 calcium Substances 0.000 title description 2
238000012545 processing Methods 0.000 title description 2
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 49
239000002253 acid Substances 0.000 claims abstract description 21
150000003839 salts Chemical class 0.000 claims abstract description 11
238000011161 development Methods 0.000 claims abstract description 10
238000012216 screening Methods 0.000 claims abstract description 9
238000004519 manufacturing process Methods 0.000 claims abstract description 7
241000132456 Haplocarpha Species 0.000 claims abstract description 5
235000013399 edible fruits Nutrition 0.000 claims description 16
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
239000002023 wood Substances 0.000 claims description 9
150000007513 acids Chemical class 0.000 claims description 8
239000000654 additive Substances 0.000 claims description 7
239000003077 lignite Substances 0.000 claims description 7
230000000996 additive effect Effects 0.000 claims description 6
YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 claims description 5
229960004106 citric acid Drugs 0.000 claims description 5
229960002303 citric acid monohydrate Drugs 0.000 claims description 5
QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 4
239000004021 humic acid Substances 0.000 claims description 4
239000003415 peat Substances 0.000 claims description 4
BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
239000001630 malic acid Substances 0.000 claims description 3
235000011090 malic acid Nutrition 0.000 claims description 3
239000011975 tartaric acid Substances 0.000 claims description 3
235000002906 tartaric acid Nutrition 0.000 claims description 3
239000002245 particle Substances 0.000 claims description 2
238000003801 milling Methods 0.000 claims 3
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
235000015165 citric acid Nutrition 0.000 claims 2
239000003546 flue gas Substances 0.000 claims 2
238000009434 installation Methods 0.000 claims 2
150000004682 monohydrates Chemical class 0.000 claims 2
239000010419 fine particle Substances 0.000 claims 1
239000004570 mortar (masonry) Substances 0.000 abstract description 4
239000007921 spray Substances 0.000 abstract description 2
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 15
229910052602 gypsum Inorganic materials 0.000 description 8
239000010440 gypsum Substances 0.000 description 8
230000000694 effects Effects 0.000 description 4
239000000047 product Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
230000006835 compression Effects 0.000 description 3
238000007906 compression Methods 0.000 description 3
239000000470 constituent Substances 0.000 description 3
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
229920005610 lignin Polymers 0.000 description 2
238000001953 recrystallisation Methods 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
229920001732 Lignosulfonate Polymers 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
235000011054 acetic acid Nutrition 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
238000007596 consolidation process Methods 0.000 description 1
239000004035 construction material Substances 0.000 description 1
239000012084 conversion product Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
150000004683 dihydrates Chemical class 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000012634 fragment Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000000979 retarding effect Effects 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000003245 working effect Effects 0.000 description 1

Landscapes

Curing Cements, Concrete, And Artificial Stone (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

CA 600321 1988-05-14 1989-05-15 Method of processing calcium alpha hemihydrate Expired - Fee Related CA1338921C (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DEP3816513.9		1988-05-14
DE3816513A DE3816513C3 (de)	1987-05-22	1988-05-14	Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung
EP88120944.9		1988-12-15
EP88120944A EP0342272B1 (de)	1987-05-22	1988-12-15	Verfahren zum Aufbereiten von Calciumsulfat-Alphahalbhydrat

Publications (1)

Publication Number	Publication Date
CA1338921C true CA1338921C (en)	1997-02-25

Family

ID=25868102

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 600321 Expired - Fee Related CA1338921C (en)	1988-05-14	1989-05-15	Method of processing calcium alpha hemihydrate

Country Status (5)

Country	Link
JP (1)	JPH03500877A (da)
AT (1)	ATE62648T1 (da)
CA (1)	CA1338921C (da)
DK (1)	DK9090A (da)
FI (1)	FI93943C (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6964704B2 (en) *	2003-03-20	2005-11-15	G.B. Technologies, Llc	Calcium sulphate-based composition and methods of making same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2462369C2 (de) *	1973-12-11	1984-05-17	Union Carbide Corp., New York, N.Y.	Verfahren zur Herstellung eines Mesophase enthaltenden Pechs
JPS51112798A (en) *	1975-03-31	1976-10-05	Babcock Hitachi Kk	Process for granulation of by-product gypsum from exhausted gas desulf urizer
US4065320A (en) *	1975-05-13	1977-12-27	Allis-Chalmers Corporation	System for handling high sulfur materials
JPS5614616A (en) *	1979-07-16	1981-02-12	Roozan Eng Corp	Self seal type flange device
JPS5618551A (en) *	1979-07-26	1981-02-21	Morinaga & Co Ltd	Preparation of multilayered ice cream
JPS573622A (en) *	1980-06-10	1982-01-09	Tokyo Optical	Apparatus for detecting operation distance in ophthalmology
JPS5721501A (en) *	1980-07-14	1982-02-04	Reonitsuto Kk	Shorts and production thereof
JPS5814385A (ja) *	1981-07-20	1983-01-27	Toshiba Corp	デジタルデイスクプレ−ヤ装置

1988
- 1988-12-15 AT AT88120944T patent/ATE62648T1/de not_active IP Right Cessation
1989
- 1989-05-10 JP JP1505453A patent/JPH03500877A/ja active Pending
- 1989-05-15 CA CA 600321 patent/CA1338921C/en not_active Expired - Fee Related
1990
- 1990-01-10 FI FI900126A patent/FI93943C/fi not_active IP Right Cessation
- 1990-01-12 DK DK009090A patent/DK9090A/da unknown

Also Published As

Publication number	Publication date
JPH03500877A (ja)	1991-02-28
FI93943B (fi)	1995-03-15
FI93943C (fi)	1995-06-26
ATE62648T1 (de)	1991-05-15
DK9090D0 (da)	1990-01-12
DK9090A (da)	1990-03-12
FI900126L (fi)	1990-01-10
FI900126A0 (fi)	1990-01-10

Legal Events

Date	Code	Title	Description
2000-02-25	MKLA	Lapsed

Publication	Publication Date	Title
US5093093A (en)	1992-03-03	Process for preparing calcium sulfate alpha hemihydrate
EP0342272B1 (de)	1991-04-17	Verfahren zum Aufbereiten von Calciumsulfat-Alphahalbhydrat
DE3020384C2 (de)	1987-05-07	Hydraulisches Bindemittelgemisch für die Herstellung von Beton und Mörtel unter Verwendung eines latent hydraulischen Bindemittels
EP2234940B2 (de)	2018-08-22	Verfahren zur herstellung von porenbeton und schaumbeton sowie anlage zur durchführung des verfahrens
KR100643218B1 (ko)	2006-11-10	소석고 수화 강화 첨가제
US5393342A (en)	1995-02-28	Cement composition and method for the preparation thereof
US4419136A (en)	1983-12-06	Expansive cement
WO2001096257A2 (en)	2001-12-20	Masonry cement composition and method of making
EP1608604A1 (de)	2005-12-28	Pulverförmige baustoffzusammensetzung
US4066469A (en)	1978-01-03	Rapid hardening cement
Opoczky	1996	Grinding technical questions of producing composite cement
JPH085696B2 (ja)	1996-01-24	焼石膏プラスタの硬化促進剤およびその製造法
EP0792849B2 (en)	2005-10-05	Limestone filled Portland cements
EP0603603B2 (de)	2002-10-16	Schnellerhärtendes, hydraulisches Bindemittel
DE19633447C2 (de)	1998-12-10	Schnellerhärtende hydraulische Bindemittelmischungen, Verfahren zu deren Herstellung und deren Verwendung
DE69912487T2 (de)	2004-08-26	Zusatzmittel für anorganische Bindemittel auf Basis eines hydrogenierten Disaccharids, diese Zusatzmittel enthaltende anorganische Bindemittel und Verfahren zu ihrer Herstellung
EP1072566B9 (de)	2004-08-11	Schnellerhärtende, hydraulische Bindemittelmischung und Verfahren zu ihrer Herstellung
JPS5925877A (ja)	1984-02-09	薬液注入工法
DE10124149B4 (de)	2006-08-10	Selbstnivellierende Anhydritfließestrichmischung
CN1071902A (zh)	1993-05-12	高强高掺量矿渣水泥制造方法
FI93943C (fi)	1995-06-26	Menetelmä kalsiumsulfaatti- -hemihydraatin valmistamiseksi
EP0002876B1 (en)	1982-02-03	Method of producing hydrothermally hardened products
DE2341493C3 (de)	1981-10-29	Hydraulischer Zement mit hoher Anfangsfestigkeit
RU2070172C1 (ru)	1996-12-10	Способ получения вяжущего
JPH0459278B2 (da)	1992-09-21