CA1103889A - Process for the manufacture of lump calcium sulfate - Google Patents
Process for the manufacture of lump calcium sulfateInfo
- Publication number
- CA1103889A CA1103889A CA293,880A CA293880A CA1103889A CA 1103889 A CA1103889 A CA 1103889A CA 293880 A CA293880 A CA 293880A CA 1103889 A CA1103889 A CA 1103889A
- Authority
- CA
- Canada
- Prior art keywords
- calcium sulfate
- finely divided
- sulfate dihydrate
- weight percentage
- clear water
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims 2
- 239000002994 raw material Substances 0.000 description 13
- 235000011132 calcium sulphate Nutrition 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 241000238586 Cirripedia Species 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100270435 Mus musculus Arhgef12 gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 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 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 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
- 239000010436 fluorite Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 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
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/268—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke pelletizing of the material before starting the manufacture
-
- 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
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)
- Glanulating (AREA)
- Processing Of Solid Wastes (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2658915.1 | 1976-12-24 | ||
| DE2658915A DE2658915B2 (de) | 1976-12-24 | 1976-12-24 | Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1103889A true CA1103889A (en) | 1981-06-30 |
Family
ID=5996681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA293,880A Expired CA1103889A (en) | 1976-12-24 | 1977-12-23 | Process for the manufacture of lump calcium sulfate |
Country Status (7)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2826769C2 (de) * | 1978-06-19 | 1990-03-08 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verwendung von Calciumsulfat-Dihydraten, die aus der Abgaswäsche von Steinkohlenkraftwerken gewonnen werden, als Bestandteil in Putz- oder Maschinenputzgips |
| DE2833382B2 (de) * | 1978-07-29 | 1980-10-23 | Saarbergwerke Ag, 6600 Saarbruecken | Verfahren zur Verwertung des in Rauchgasentschwefelungsanlagen, die auf Kalkbasis betrieben werden, anfallenden Gipses |
| DE2904071B1 (de) * | 1979-02-03 | 1980-07-24 | Knauf Westdeutsche Gips | Verfahren zur Herstellung eines Anhydrit-Gipsgemisches aus feinteiligem synthetischen Anhydrit |
| DE2908266C2 (de) * | 1979-03-02 | 1986-01-09 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verfahren zur Herstellung eines Calciumsulfat-Halbhydrat-Dihydrat-Gemisches aus feinteiligem synthetischen Calciumsulfat-Halbhydrat |
| US4601866A (en) * | 1979-11-19 | 1986-07-22 | Chinoin | Process for tablet production |
| US4354876A (en) * | 1980-09-26 | 1982-10-19 | Webster & Assoc. Ltd. | Utilization of dry scrubber waste materials |
| DE3048506C2 (de) * | 1980-12-22 | 1986-09-11 | Rigips GmbH, 3452 Bodenwerder | Trockene pulverförmige Putzmischung und Verfahren zu ihrer Herstellung |
| AT382552B (de) * | 1981-04-01 | 1987-03-10 | Knauf Westdeutsche Gips | Verfahren zur herstellung von geformten stuecken aus feinteiligem rauchgasgips und walzenpresse zur durchfuehrung des verfahrens |
| DE3222865C2 (de) * | 1981-07-10 | 1992-10-22 | Steag Ag, 4300 Essen | Verfahren zum Granulieren von bei chemischen Prozessen anfallendem Gips und Verwendung einer Kompaktierungseinrichtung zum Granulieren von Gips nach dem Verfahren |
| DE3626912A1 (de) | 1986-08-08 | 1988-02-11 | Knauf Westdeutsche Gips | Komprimate aus getrocknetem rauchgasgips und verfahren zur herstellung derselben |
| GB2205089B (en) * | 1987-05-22 | 1991-03-13 | Rhein Westfael Elect Werk Ag | Process for production of calcium sulphate alpha-hemihydrate |
| DE3816513C3 (de) * | 1987-05-22 | 1998-10-01 | Pro Mineral Ges | Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung |
| DE3819652C3 (de) * | 1987-05-22 | 1996-08-01 | Pro Mineral Ges | Verfahren zur Erzeugung von als Baustoff geeignetem Calciumsulfat-Alphahalbhydrat aus feuchtem, feinteiligem Rauchgasentschwefelungsgips und seine Verwendung |
| DE3733500C2 (de) * | 1987-10-03 | 1993-11-04 | Alexanderwerk Ag | Verfahren und walzenpresse zum herstellen von stueckigem material aus feinteiligem rauchgasgips |
| US5362471A (en) * | 1991-09-27 | 1994-11-08 | Air Products And Chemicals, Inc. | Process for producing gypsum flake from flue gas desulfurization |
| DE19731975C2 (de) * | 1997-07-24 | 2003-08-07 | Koeppern & Co Kg Maschf | Verfahren zum Verhindern des Anhaftens von zu briketierendem Gut an einer Walzenoberfläche und Brikettierwalzenpresse |
| GB9814508D0 (en) | 1998-07-03 | 1998-09-02 | Polycell Prod Ltd | Filler material |
| US6471767B1 (en) | 1999-10-15 | 2002-10-29 | American International Materials, Ltd. | Process for recycling gypsum-based waste material into readily crushable members for use in the manufacture of cement and crushable members formed thereby |
| US6630153B2 (en) * | 2001-02-23 | 2003-10-07 | Smith & Nephew, Inc. | Manufacture of bone graft substitutes |
| US6964704B2 (en) * | 2003-03-20 | 2005-11-15 | G.B. Technologies, Llc | Calcium sulphate-based composition and methods of making same |
| JP4075709B2 (ja) * | 2003-07-02 | 2008-04-16 | 住友電装株式会社 | コネクタ |
| US7776150B2 (en) * | 2006-03-16 | 2010-08-17 | Koppern Eqipment, Inc. | Process and apparatus for handling synthetic gypsum |
| RU2581855C2 (ru) * | 2011-01-17 | 2016-04-20 | Кнауф Гипс Кг | Способ повторного использования абразивной пыли и побочного продукта гипсокартонных панелей |
| US20160214895A1 (en) * | 2015-01-27 | 2016-07-28 | International Material Recovery Inc. | Apparatus and method for recycling gypsum |
| CN113232146A (zh) * | 2021-05-27 | 2021-08-10 | 郭子清 | 一种纤维水泥板或硅酸钙板生产方法及生产线 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1169355B (de) * | 1961-06-16 | 1964-04-30 | Knauf Geb | Verfahren zur Herstellung grossstueckiger Produkte aus feinkoernig anfallendem schwefel-saurem Kalzium, das in der chemischen Industrie abfaellt |
| GB1026998A (en) * | 1963-09-11 | 1966-04-20 | Ici Australia Ltd | Improvements in plaster |
| US3231649A (en) * | 1964-04-17 | 1966-01-25 | Pullman Inc | Compaction method |
| US3414643A (en) * | 1965-08-19 | 1968-12-03 | Air Reduction | Lime fines briquetting |
| AU1260870A (en) * | 1970-03-13 | 1971-09-16 | GARRICK AGNEW PTY. LIMITED andthe MINISTER FOR MINES OFTHE GOVERNMENT OFTHE STATEOF WESTERN AUSTRALIA | Agglomeration of gypsum |
| US3789097A (en) * | 1971-08-02 | 1974-01-29 | Kennecott Copper Corp | Process for producing pelletized metal sulfide materials |
| BE835122A (fr) * | 1974-11-04 | 1976-04-30 | Procede de preparation de melanges solides de platre facile a gacher |
-
1976
- 1976-12-24 DE DE2658915A patent/DE2658915B2/de active Granted
-
1977
- 1977-12-15 NL NL7713927A patent/NL7713927A/xx not_active Application Discontinuation
- 1977-12-20 US US05/862,605 patent/US4173610A/en not_active Expired - Lifetime
- 1977-12-20 FR FR7738481A patent/FR2375147A1/fr active Granted
- 1977-12-23 CA CA293,880A patent/CA1103889A/en not_active Expired
- 1977-12-23 BE BE183794A patent/BE862266A/xx not_active IP Right Cessation
- 1977-12-23 JP JP15459477A patent/JPS53114820A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4173610A (en) | 1979-11-06 |
| JPS53114820A (en) | 1978-10-06 |
| DE2658915A1 (de) | 1978-06-29 |
| FR2375147B1 (US08158827-20120417-C00028.png) | 1984-09-21 |
| FR2375147A1 (fr) | 1978-07-21 |
| BE862266A (fr) | 1978-04-14 |
| DE2658915B2 (de) | 1979-10-31 |
| NL7713927A (nl) | 1978-06-27 |
| DE2658915C3 (US08158827-20120417-C00028.png) | 1987-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |