NO821478L - Fremgangsmaate til fremstilling av gipsformstener. - Google Patents
Fremgangsmaate til fremstilling av gipsformstener.Info
- Publication number
- NO821478L NO821478L NO821478A NO821478A NO821478L NO 821478 L NO821478 L NO 821478L NO 821478 A NO821478 A NO 821478A NO 821478 A NO821478 A NO 821478A NO 821478 L NO821478 L NO 821478L
- Authority
- NO
- Norway
- Prior art keywords
- weight
- stones
- hemihydrate
- calcium
- gypsum
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000004575 stone Substances 0.000 title claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010440 gypsum Substances 0.000 claims abstract description 14
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 11
- 239000000292 calcium oxide Substances 0.000 claims abstract description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000002969 artificial stone Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000012432 intermediate storage Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000013543 active substance Substances 0.000 claims description 2
- 239000000645 desinfectant Substances 0.000 claims 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 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000748 compression moulding Methods 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 9
- 239000011505 plaster Substances 0.000 description 9
- 235000012255 calcium oxide Nutrition 0.000 description 8
- 239000004571 lime Substances 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 238000007792 addition Methods 0.000 description 6
- 150000004683 dihydrates Chemical class 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229940087373 calcium oxide Drugs 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 229910052925 anhydrite Inorganic materials 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000001175 calcium sulphate Substances 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000019589 hardness Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 239000011455 calcium-silicate brick Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Glass Compositions (AREA)
- Paper (AREA)
- Sewage (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813117813 DE3117813A1 (de) | 1981-05-06 | 1981-05-06 | Verfahren zur herstellung von gipsformsteinen |
Publications (1)
Publication Number | Publication Date |
---|---|
NO821478L true NO821478L (no) | 1982-11-08 |
Family
ID=6131541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO821478A NO821478L (no) | 1981-05-06 | 1982-05-05 | Fremgangsmaate til fremstilling av gipsformstener. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4540439A (fi) |
EP (1) | EP0064793B1 (fi) |
AT (1) | ATE16380T1 (fi) |
DE (2) | DE3117813A1 (fi) |
DK (1) | DK201982A (fi) |
FI (1) | FI71549C (fi) |
NO (1) | NO821478L (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4670039A (en) * | 1983-03-07 | 1987-06-02 | Metropolitan Mosquito Control District | Timed release fertilizer composition and means |
JP2527339B2 (ja) * | 1987-10-13 | 1996-08-21 | 東陶機器株式会社 | 半水石膏の水和方法 |
US5049376A (en) * | 1990-01-26 | 1991-09-17 | Revlon, Inc. | Cosmetic powder bar composition and process for making same |
FR2753964B1 (fr) * | 1996-09-27 | 1998-11-27 | Brouard Jean | Materiau, en particulier de construction et son procede de fabrication |
US6398864B1 (en) | 1999-11-30 | 2002-06-04 | United States Gypsum Company | Pottery plaster formulations for the manufacture of plaster molds |
US6630153B2 (en) * | 2001-02-23 | 2003-10-07 | Smith & Nephew, Inc. | Manufacture of bone graft substitutes |
US6387172B1 (en) | 2000-04-25 | 2002-05-14 | United States Gypsum Company | Gypsum compositions and related methods |
CN102659381B (zh) * | 2012-06-04 | 2013-06-19 | 中北大学 | 一种练功砖 |
CN105152620B (zh) * | 2015-10-26 | 2018-02-09 | 贵州腾峰科技有限责任公司 | 一种可用于3d打印的磷石膏预拌干混砂浆 |
CN111393122B (zh) * | 2020-02-25 | 2022-02-08 | 苏州市兴邦化学建材有限公司 | 一种用于承重结构的磷石膏砂浆及其制备方法 |
CN112440368A (zh) * | 2020-11-27 | 2021-03-05 | 中国地质大学(武汉) | 一种利用磷石膏制备高强轻质石膏砌块的方法 |
CN113232124A (zh) * | 2021-06-03 | 2021-08-10 | 云南凝创环保科技有限公司 | 一种防潮磷建筑石膏板的生产工艺 |
CN113248280A (zh) * | 2021-06-03 | 2021-08-13 | 云南凝创环保科技有限公司 | 一种利用工业废酸的石膏基建材制品防潮处理工艺 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1703097A (en) * | 1926-05-07 | 1929-02-26 | Chassevent Louis Emile | Process for the manufacture of marble plaster |
DE818747C (de) * | 1948-10-02 | 1951-10-29 | Metallgesellschaft Ag | Verarbeitung von Superphosphatschlamm zu Bauelementen |
US2937926A (en) * | 1956-12-29 | 1960-05-24 | Rofusa N V | Method of preparing synthetic anhydrite |
US3159497A (en) * | 1960-10-25 | 1964-12-01 | Onoda Cement Co Ltd | Method of improving the grade of byproduct gypsum obtained in carrying out a wet process for production of phosphoric acid |
DE1156348B (de) * | 1962-04-17 | 1963-10-24 | Knauf Geb | Verfahren zur Herstellung eines Baugipses mit Eigenschaften eines Putzgipses |
GB1077665A (en) * | 1963-06-07 | 1967-08-02 | Bpb Industries Ltd | Improvements in or relating to articles moulded from mixes containing calcium sulphate plaster |
FR1401583A (fr) * | 1963-06-07 | 1965-06-04 | British Plaster Board Holdings | Perfectionnements aux objets moulés à partir de mélanges contenant du plâtre et à leurs procédés de fabrication |
GB1063632A (en) * | 1964-02-24 | 1967-03-30 | Ici Ltd | Process for casting gypsum |
US3574648A (en) * | 1967-12-18 | 1971-04-13 | Knauf Westdeutsche Gips | Method for the production of synthetic calcium sulfate hemihydrate |
FR2098706A5 (fi) * | 1970-07-24 | 1972-03-10 | Platre Prefabrique | |
GB1382595A (en) * | 1971-06-09 | 1975-02-05 | Carrieres & Fours | Process for producing a building material comprising hydrated lime and plaster |
GB1390098A (en) * | 1972-06-05 | 1975-04-09 | Carrieres & Fours | Process for obtaining a building material containing hydrated lime and plaster |
US3847634A (en) * | 1973-03-12 | 1974-11-12 | R Vickery | Synthetic lightweight building material |
IT1036804B (it) * | 1975-05-09 | 1979-10-30 | Mac Master Builders S P A | Procedimento di produzione di ma nufatti in gesso |
SU570551A1 (ru) * | 1975-07-09 | 1977-08-30 | Ордена Трудового Красного Знамени Ленинградский Технологический Институт Имени Ленсовета | Способ гидроудалени полугидрата сульфата кальйи |
JPS5851884B2 (ja) * | 1975-08-13 | 1983-11-18 | 日産化学工業株式会社 | 濾過性の良好な半水石膏を含有する高濃度燐酸の製造方法 |
NL7801229A (nl) * | 1977-02-09 | 1978-08-11 | Rhone Poulenc Ind | Werkwijze voor het samenpersen van stucgips- mengsels. |
JPS53118426A (en) * | 1977-03-25 | 1978-10-16 | Central Glass Co Ltd | Method of manufacturing board of gypsum |
SU688466A1 (ru) * | 1978-05-05 | 1979-09-30 | Уральский ордена Трудового Красного Знамени политехнический институт им. С.М.Кирова | Гипсовый раствор |
JPS5654263A (en) * | 1979-10-02 | 1981-05-14 | Kurashiki Boseki Kk | Waterrresistant gypsum formed body |
-
1981
- 1981-05-06 DE DE19813117813 patent/DE3117813A1/de not_active Withdrawn
-
1982
- 1982-05-04 AT AT82200539T patent/ATE16380T1/de not_active IP Right Cessation
- 1982-05-04 EP EP82200539A patent/EP0064793B1/de not_active Expired
- 1982-05-04 DE DE8282200539T patent/DE3267249D1/de not_active Expired
- 1982-05-05 FI FI821582A patent/FI71549C/fi not_active IP Right Cessation
- 1982-05-05 DK DK201982A patent/DK201982A/da not_active Application Discontinuation
- 1982-05-05 NO NO821478A patent/NO821478L/no unknown
- 1982-05-06 US US06/375,709 patent/US4540439A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE16380T1 (de) | 1985-11-15 |
FI821582L (fi) | 1982-11-07 |
EP0064793A2 (de) | 1982-11-17 |
EP0064793A3 (en) | 1983-02-09 |
US4540439A (en) | 1985-09-10 |
DK201982A (da) | 1982-11-07 |
EP0064793B1 (de) | 1985-11-06 |
FI71549C (fi) | 1987-01-19 |
FI821582A0 (fi) | 1982-05-05 |
DE3117813A1 (de) | 1982-11-25 |
FI71549B (fi) | 1986-10-10 |
DE3267249D1 (en) | 1985-12-12 |
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