DE2160204A1 - Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten - Google Patents
Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfatenInfo
- Publication number
- DE2160204A1 DE2160204A1 DE2160204A DE2160204A DE2160204A1 DE 2160204 A1 DE2160204 A1 DE 2160204A1 DE 2160204 A DE2160204 A DE 2160204A DE 2160204 A DE2160204 A DE 2160204A DE 2160204 A1 DE2160204 A1 DE 2160204A1
- Authority
- DE
- Germany
- Prior art keywords
- calcium
- calcium sulfate
- finely divided
- burned
- pieces
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- -1 CALCIUM SULPHATES Chemical class 0.000 title 2
- 229910052791 calcium Inorganic materials 0.000 title 2
- 239000011575 calcium Substances 0.000 title 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical class [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 165
- 235000011132 calcium sulphate Nutrition 0.000 claims description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000001175 calcium sulphate Substances 0.000 claims description 23
- 238000010304 firing Methods 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 238000012432 intermediate storage Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229940043430 calcium compound Drugs 0.000 claims description 3
- 150000001674 calcium compounds Chemical class 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 24
- 239000007789 gas Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 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 10
- 239000008188 pellet Substances 0.000 description 9
- 229910052602 gypsum Inorganic materials 0.000 description 8
- 239000010440 gypsum Substances 0.000 description 8
- 238000012824 chemical production Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000011507 gypsum plaster Substances 0.000 description 6
- 230000009974 thixotropic effect Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 150000004683 dihydrates Chemical class 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 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 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229940044172 calcium formate Drugs 0.000 description 1
- 235000019255 calcium formate Nutrition 0.000 description 1
- 239000004281 calcium formate Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000007704 transition Effects 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/466—Conversion of one form of calcium sulfate to another
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE791946D BE791946A (fr) | 1971-12-04 | Procede de fabrication de sulfates de calcium pouvant faire prise a partir de sulfates de calcium finement divises | |
| DE2160204A DE2160204A1 (de) | 1971-12-04 | 1971-12-04 | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten |
| GB4642872A GB1387707A (en) | 1971-12-04 | 1972-10-09 | Settable calcium sulphate |
| FR7237861A FR2161928B1 (fr) | 1971-12-04 | 1972-10-25 | |
| NL7215569A NL7215569A (fr) | 1971-12-04 | 1972-11-17 | |
| ZA728460A ZA728460B (en) | 1971-12-04 | 1972-11-29 | Method for the manufacture of settable calcium sulphates from fine calcium sulphates |
| IT13047/72A IT970646B (it) | 1971-12-04 | 1972-11-30 | Procedimento per la produzione di solfati di calcio atti a far presa da solfati di calcio in particelle fini |
| PL1972159223A PL79854B1 (fr) | 1971-12-04 | 1972-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2160204A DE2160204A1 (de) | 1971-12-04 | 1971-12-04 | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2160204A1 true DE2160204A1 (de) | 1973-06-14 |
Family
ID=5826985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2160204A Pending DE2160204A1 (de) | 1971-12-04 | 1971-12-04 | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE791946A (fr) |
| DE (1) | DE2160204A1 (fr) |
| FR (1) | FR2161928B1 (fr) |
| GB (1) | GB1387707A (fr) |
| IT (1) | IT970646B (fr) |
| NL (1) | NL7215569A (fr) |
| PL (1) | PL79854B1 (fr) |
| ZA (1) | ZA728460B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135687A1 (fr) * | 2008-05-09 | 2009-11-12 | Claudius Peters Technologies Gmbh | Procédé et dispositif de calcination de plâtre phosphoré |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1601411A (fr) * | 1968-06-14 | 1970-08-24 |
-
0
- BE BE791946D patent/BE791946A/fr unknown
-
1971
- 1971-12-04 DE DE2160204A patent/DE2160204A1/de active Pending
-
1972
- 1972-10-09 GB GB4642872A patent/GB1387707A/en not_active Expired
- 1972-10-25 FR FR7237861A patent/FR2161928B1/fr not_active Expired
- 1972-11-17 NL NL7215569A patent/NL7215569A/xx unknown
- 1972-11-29 ZA ZA728460A patent/ZA728460B/xx unknown
- 1972-11-30 IT IT13047/72A patent/IT970646B/it active
- 1972-12-01 PL PL1972159223A patent/PL79854B1/pl unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135687A1 (fr) * | 2008-05-09 | 2009-11-12 | Claudius Peters Technologies Gmbh | Procédé et dispositif de calcination de plâtre phosphoré |
| EP2123613A1 (fr) * | 2008-05-09 | 2009-11-25 | Claudius Peters Technologies GmbH | Procédé et installation de calcination de plâtre au phosphore |
| EA018904B1 (ru) * | 2008-05-09 | 2013-11-29 | Клаудиус Петерс Проджектс Гмбх | Способ и установка для обжига фосфогипса |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2161928B1 (fr) | 1976-08-20 |
| NL7215569A (fr) | 1973-06-06 |
| PL79854B1 (fr) | 1975-08-30 |
| GB1387707A (en) | 1975-03-19 |
| ZA728460B (en) | 1973-08-29 |
| FR2161928A1 (fr) | 1973-07-13 |
| IT970646B (it) | 1974-04-20 |
| BE791946A (fr) | 1973-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHN | Withdrawal |