DE2512205A1 - Verfahren zum verbessern der eigenschaften von aus gipsschlamm gewonnenem gips - Google Patents
Verfahren zum verbessern der eigenschaften von aus gipsschlamm gewonnenem gipsInfo
- Publication number
- DE2512205A1 DE2512205A1 DE19752512205 DE2512205A DE2512205A1 DE 2512205 A1 DE2512205 A1 DE 2512205A1 DE 19752512205 DE19752512205 DE 19752512205 DE 2512205 A DE2512205 A DE 2512205A DE 2512205 A1 DE2512205 A1 DE 2512205A1
- Authority
- DE
- Germany
- Prior art keywords
- plaster
- fluorine
- gypsum
- added
- phosphogypsum
- 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.)
- Withdrawn
Links
- 239000010440 gypsum Substances 0.000 title claims description 25
- 229910052602 gypsum Inorganic materials 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 15
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 23
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 21
- 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 claims description 21
- 239000011507 gypsum plaster Substances 0.000 claims description 21
- -1 fluorine ions Chemical class 0.000 claims description 15
- 229910019142 PO4 Inorganic materials 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000003472 neutralizing effect Effects 0.000 claims description 8
- 239000011505 plaster Substances 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- 150000002222 fluorine compounds Chemical class 0.000 claims description 7
- 229940104869 fluorosilicate Drugs 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 6
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims 4
- 230000000996 additive effect Effects 0.000 claims 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 3
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 150000002221 fluorine Chemical class 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 description 13
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000711981 Sais Species 0.000 description 1
- QDIYZGWZTHZFNM-UHFFFAOYSA-N [F].[K] Chemical compound [F].[K] QDIYZGWZTHZFNM-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000001457 metallic cations Chemical class 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 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
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
- C04B22/126—Fluorine compounds, e.g. silico-fluorine compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7410389A FR2265701B1 (cs) | 1974-03-26 | 1974-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2512205A1 true DE2512205A1 (de) | 1975-10-09 |
Family
ID=9136832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752512205 Withdrawn DE2512205A1 (de) | 1974-03-26 | 1975-03-20 | Verfahren zum verbessern der eigenschaften von aus gipsschlamm gewonnenem gips |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS50133224A (cs) |
| AT (1) | AT360414B (cs) |
| BE (1) | BE827168A (cs) |
| DE (1) | DE2512205A1 (cs) |
| DK (1) | DK126675A (cs) |
| ES (1) | ES435989A1 (cs) |
| FR (1) | FR2265701B1 (cs) |
| GB (1) | GB1468318A (cs) |
| IE (1) | IE40873B1 (cs) |
| IL (1) | IL46920A (cs) |
| IT (1) | IT1034515B (cs) |
| LU (1) | LU72118A1 (cs) |
| NL (1) | NL7503509A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2413338A1 (fr) * | 1977-12-09 | 1979-07-27 | Ugine Kuhlmann | Gypses pour preparation de liants d'anhydrite |
| US7585485B2 (en) * | 2006-07-03 | 2009-09-08 | Tripoliven, C.A. | Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials |
-
1974
- 1974-03-26 FR FR7410389A patent/FR2265701B1/fr not_active Expired
-
1975
- 1975-03-20 DE DE19752512205 patent/DE2512205A1/de not_active Withdrawn
- 1975-03-21 GB GB1191975A patent/GB1468318A/en not_active Expired
- 1975-03-21 IE IE633/75A patent/IE40873B1/xx unknown
- 1975-03-24 NL NL7503509A patent/NL7503509A/xx not_active Application Discontinuation
- 1975-03-24 IT IT21624/75A patent/IT1034515B/it active
- 1975-03-24 AT AT223575A patent/AT360414B/de not_active IP Right Cessation
- 1975-03-24 LU LU72118A patent/LU72118A1/xx unknown
- 1975-03-25 ES ES435989A patent/ES435989A1/es not_active Expired
- 1975-03-25 BE BE154755A patent/BE827168A/xx not_active IP Right Cessation
- 1975-03-25 DK DK126675A patent/DK126675A/da unknown
- 1975-03-25 IL IL46920A patent/IL46920A/xx unknown
- 1975-03-26 JP JP50036520A patent/JPS50133224A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7503509A (nl) | 1975-09-30 |
| DK126675A (cs) | 1975-09-27 |
| BE827168A (fr) | 1975-07-16 |
| IE40873L (en) | 1975-09-26 |
| FR2265701B1 (cs) | 1980-11-14 |
| IT1034515B (it) | 1979-10-10 |
| GB1468318A (en) | 1977-03-23 |
| IL46920A (en) | 1978-06-15 |
| ATA223575A (de) | 1980-05-15 |
| FR2265701A1 (cs) | 1975-10-24 |
| IL46920A0 (en) | 1975-05-22 |
| JPS50133224A (cs) | 1975-10-22 |
| AT360414B (de) | 1980-01-12 |
| IE40873B1 (en) | 1979-08-29 |
| ES435989A1 (es) | 1976-12-16 |
| LU72118A1 (cs) | 1975-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |