DE2505304C2 - Verfahren zur Herstellung von Calciumcarbonat - Google Patents
Verfahren zur Herstellung von CalciumcarbonatInfo
- Publication number
- DE2505304C2 DE2505304C2 DE2505304A DE2505304A DE2505304C2 DE 2505304 C2 DE2505304 C2 DE 2505304C2 DE 2505304 A DE2505304 A DE 2505304A DE 2505304 A DE2505304 A DE 2505304A DE 2505304 C2 DE2505304 C2 DE 2505304C2
- Authority
- DE
- Germany
- Prior art keywords
- carbonization
- acid
- calcium
- calcium carbonate
- suspension
- 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims description 34
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 51
- 238000003763 carbonization Methods 0.000 claims description 32
- 239000000047 product Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 19
- 239000000920 calcium hydroxide Substances 0.000 claims description 18
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 14
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 239000008139 complexing agent Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 8
- -1 hydroxide ions Chemical class 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 150000004668 long chain fatty acids Chemical class 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims 5
- 229910001424 calcium ion Inorganic materials 0.000 claims 5
- 230000032683 aging Effects 0.000 claims 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 239000007864 aqueous solution Substances 0.000 claims 3
- 239000000945 filler Substances 0.000 claims 3
- YQUVCSBJEUQKSH-UHFFFAOYSA-N 3,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C(O)=C1 YQUVCSBJEUQKSH-UHFFFAOYSA-N 0.000 claims 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims 2
- 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 2
- 229910052791 calcium Inorganic materials 0.000 claims 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 239000002244 precipitate Substances 0.000 claims 2
- 239000011975 tartaric acid Substances 0.000 claims 2
- 235000002906 tartaric acid Nutrition 0.000 claims 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- OYPRJOBELJOOCE-BKFZFHPZSA-N Calcium-45 Chemical compound [45Ca] OYPRJOBELJOOCE-BKFZFHPZSA-N 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 235000019738 Limestone Nutrition 0.000 claims 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000004645 aluminates Chemical class 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 238000013459 approach Methods 0.000 claims 1
- 239000007900 aqueous suspension Substances 0.000 claims 1
- 125000002648 azanetriyl group Chemical group *N(*)* 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- 239000000292 calcium oxide Substances 0.000 claims 1
- 235000012255 calcium oxide Nutrition 0.000 claims 1
- 238000010000 carbonizing Methods 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 150000001261 hydroxy acids Chemical class 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 150000002596 lactones Chemical class 0.000 claims 1
- 239000006028 limestone Substances 0.000 claims 1
- 159000000003 magnesium salts Chemical class 0.000 claims 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 235000013580 sausages Nutrition 0.000 claims 1
- 150000004760 silicates Chemical class 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000002269 spontaneous effect Effects 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000008187 granular material Substances 0.000 description 25
- 235000021355 Stearic acid Nutrition 0.000 description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 9
- 239000008117 stearic acid Substances 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 8
- 229930195729 fatty acid Natural products 0.000 description 8
- 239000000194 fatty acid Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- QEVGZEDELICMKH-UHFFFAOYSA-N Diglycolic acid Chemical compound OC(=O)COCC(O)=O QEVGZEDELICMKH-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 229940088990 ammonium stearate Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JPNZKPRONVOMLL-UHFFFAOYSA-N azane;octadecanoic acid Chemical compound [NH4+].CCCCCCCCCCCCCCCCCC([O-])=O JPNZKPRONVOMLL-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229960001031 glucose Drugs 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
Classifications
-
- 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
- C01F11/18—Carbonates
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
- C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB668674A GB1447566A (en) | 1974-02-14 | 1974-02-14 | Production of calcium carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2505304A1 DE2505304A1 (de) | 1975-08-21 |
| DE2505304C2 true DE2505304C2 (de) | 1985-09-12 |
Family
ID=9818956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2505304A Expired DE2505304C2 (de) | 1974-02-14 | 1975-02-07 | Verfahren zur Herstellung von Calciumcarbonat |
Country Status (7)
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157379A (en) * | 1976-04-16 | 1979-06-05 | Toyo Soda Manufacturing Co., Ltd. | Process for producing chain structured corpuscular calcium carbonate |
| JPS52126697A (en) * | 1976-04-16 | 1977-10-24 | Toyo Soda Mfg Co Ltd | Production of chain calcium carbonate |
| US4183908A (en) * | 1977-06-24 | 1980-01-15 | Southern California Edison Company | Crystalline calcium sulfate dihydrate and process for making same |
| LU77723A1 (fr) * | 1977-07-11 | 1979-03-26 | Solvay | Procede pour la preparation de suspensions aqueuses concentrees de carbonate de calcium |
| US4244933A (en) * | 1978-04-05 | 1981-01-13 | Shiraishi Kogyo Kaisha, Ltd. | Calcium carbonate particles and processes for preparing same |
| JPS5540849A (en) * | 1978-09-13 | 1980-03-22 | Shiraishi Kogyo Kaisha Ltd | Internally filled paper |
| US4159922A (en) * | 1978-10-12 | 1979-07-03 | Nalco Chemical Company | Accelerated process for causticization of Kraft green liquor |
| JPS5997530A (ja) * | 1982-11-27 | 1984-06-05 | Kounoshima Kagaku Kogyo Kk | 炭酸カルシウムの製造方法 |
| GB8305346D0 (en) * | 1983-02-25 | 1983-03-30 | Ciba Geigy Ag | Particulate calcium carbonate |
| DE3587060T2 (de) * | 1984-10-18 | 1993-05-19 | Pfizer | Kugelfoermiges ausgefaelltes calciumcarbonat, seine herstellung und seine verwendung. |
| DE3617169C2 (de) * | 1986-05-22 | 1996-05-23 | Pluss Stauffer Ag | Carbonathaltige mineralische Füllstoffe und Pigmente |
| AT389294B (de) * | 1986-06-04 | 1989-11-10 | Vyzk Ustav Petrochem | Verfahren zur herstellung von magnesiumoxid und/oder dessen hydratisierungsprodukten |
| US4927618A (en) * | 1987-11-19 | 1990-05-22 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| US4980395A (en) * | 1987-11-19 | 1990-12-25 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| JPH01230424A (ja) * | 1988-03-09 | 1989-09-13 | Shiraishi Chuo Kenkyusho:Kk | 炭酸カルシウム、炭酸カルシウム顔料、その製造法、情報記録紙用塗被組成物及び情報記録紙 |
| US4824653A (en) * | 1988-09-29 | 1989-04-25 | Franklin Industries, Inc. | Method of bleaching limestone |
| JPH0829936B2 (ja) * | 1989-09-04 | 1996-03-27 | 新王子製紙株式会社 | 着色炭酸カルシウムの製造方法 |
| US5043017A (en) * | 1990-03-09 | 1991-08-27 | Pfizer Inc. | Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper |
| US5558850A (en) * | 1990-07-27 | 1996-09-24 | Ecc International Limited | Precipitated calcium carbonate |
| GB2246344A (en) * | 1990-07-27 | 1992-01-29 | Ecc Int Ltd | Precipitated calcium carbonate |
| US5342600A (en) * | 1990-09-27 | 1994-08-30 | Ecc International Limited | Precipitated calcium carbonate |
| CA2090088C (en) * | 1992-02-26 | 1995-07-25 | Pierre Marc Fouche | Production of purified calcium carbonate |
| US5332564A (en) * | 1992-07-10 | 1994-07-26 | Ecc International Inc. | Process for production of rhombic shaped precipitated calcium carbonate |
| ES2065288B1 (es) * | 1993-07-28 | 1996-03-01 | Espan Carburos Metal | Procedimiento para la fabricacion de carbonatos de calcio precipitado. |
| US5679220A (en) * | 1995-01-19 | 1997-10-21 | International Paper Company | Process for enhanced deposition and retention of particulate filler on papermaking fibers |
| US6479029B1 (en) * | 1995-10-26 | 2002-11-12 | Solvay Barium Strontium Gmbh | Micronized alkaline earth metal carbonate |
| US5741471A (en) * | 1995-12-05 | 1998-04-21 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
| WO1998024725A1 (en) * | 1996-12-05 | 1998-06-11 | The Dow Chemical Company | Process for preparing calcium carbonate which contains low concentrations of non-calcium metals |
| US6228161B1 (en) | 1996-12-30 | 2001-05-08 | Minerals Technologies Inc. | Use of calcium carbonate in an acidic aqueous media |
| US5961941A (en) * | 1997-06-17 | 1999-10-05 | Thermo Fibergen, Inc. | Production of precipitated calcium carbonate from papermaking sludge and sludge-derived ash |
| US6294143B1 (en) | 1998-03-24 | 2001-09-25 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
| US6221146B1 (en) | 1998-04-03 | 2001-04-24 | Imerys Pigments, Inc. | Method for the production of precipitated calcium carbonate having a selected crystal form, products produced thereby and their uses |
| GB9920848D0 (en) * | 1999-09-04 | 1999-11-10 | Nutrahealth Ltd | Calcium fortified emulsified fat product and calcium salts and sources for the preparation thereof |
| US6440209B1 (en) | 2000-02-09 | 2002-08-27 | Engelhard Corpoartion | Composite pigments comprising in-situ precipitated metal carbonate crystals |
| US20030213937A1 (en) * | 2001-02-22 | 2003-11-20 | Isaac Yaniv | Precipitated aragonite and a process for producing it |
| US6685908B1 (en) | 2000-03-06 | 2004-02-03 | 3P Technologies Ltd. | Precipitated aragonite and a process for producing it |
| US20030161894A1 (en) * | 2001-09-05 | 2003-08-28 | 3P Technologies Ltd. | Precipitated aragonite and a process for producing it |
| FR2826950B1 (fr) | 2001-07-04 | 2004-09-10 | Solvay | Procede pour l'obtention de particules de carbonate de calcium precipite structurees a l'echelle nanometrique |
| US20040108082A1 (en) * | 2002-12-09 | 2004-06-10 | Specialty Minerals (Michigan) Inc. | Filler-fiber composite |
| US20040108081A1 (en) * | 2002-12-09 | 2004-06-10 | Specialty Minerals (Michigan) Inc. | Filler-fiber composite |
| CA2635233C (en) * | 2005-12-31 | 2012-04-10 | Korea Institute Of Geoscience And Mineral Resources | Novel manufacturing method of aragonite calcium carbonate |
| CN101229926B (zh) * | 2007-10-11 | 2010-04-07 | 河北科技大学 | 一种针形纳米碳酸钙的制备方法 |
| US9346964B2 (en) | 2010-03-17 | 2016-05-24 | Imerys Kaolin, Inc. | Paint comprising hydrophobized minerals and related methods |
| WO2016033446A1 (en) | 2014-08-29 | 2016-03-03 | Blue Planet, Ltd. | Carbonate pigments, and methods for making and using the same |
| EP3045503A1 (en) | 2015-01-15 | 2016-07-20 | Omya International AG | Surface-treated calcium carbonate with improved stability in environments with a pH of 4.5 to 7 |
| CN105329928A (zh) * | 2015-12-10 | 2016-02-17 | 湖南化工职业技术学院 | 一种纳米碳酸钙活化方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126253A (en) * | 1964-03-24 | Process for the manufacture of finely | ||
| US2927091A (en) * | 1953-09-01 | 1960-03-01 | Wyandotte Chemicals Corp | Surface coated calcium carbonate pigments |
| DE977129C (de) * | 1954-11-12 | 1965-03-11 | Chem Fab Kalk Ges Mit Beschrae | Verfahren zur Herstellung eines extrem feinteiligen, im wesentlichen aus Calciumcarbonat bestehenden Gemisches von wasserloeslichen Calciumverbindungen |
| DE977672C (de) * | 1955-06-17 | 1968-03-14 | Kalk Chemische Fabrik Gmbh | Verfahren zur Herstellung eines extrem feinteiligen, gefaellten, im wesentlichen aus Calciumcarbonat bestehenden Gemisches von Calciumverbindungen |
| US3133824A (en) * | 1959-10-16 | 1964-05-19 | Bayer Ag | Process for the production of finely dispersed calcium carbonate |
| GB897205A (en) * | 1959-10-19 | 1962-05-23 | Ici Ltd | Precipitated calcium carbonate |
| DE1417882A1 (de) * | 1960-11-10 | 1969-01-09 | Bayer Ag | Verfahren zur Herstellung von feindispersen CaCO3-Fuellstoffen |
| US3347624A (en) * | 1965-05-26 | 1967-10-17 | Diamond Alkali Co | Method of preparing calcium carbonate |
| US3443890A (en) * | 1966-12-05 | 1969-05-13 | Diamond Shamrock Corp | Process for the production of calcium carbonate |
-
1974
- 1974-02-14 GB GB668674A patent/GB1447566A/en not_active Expired
-
1975
- 1975-02-07 DE DE2505304A patent/DE2505304C2/de not_active Expired
- 1975-02-10 US US05/548,807 patent/US4018877A/en not_active Expired - Lifetime
- 1975-02-13 AT AT106575A patent/AT343597B/de not_active IP Right Cessation
- 1975-02-13 FR FR7504518A patent/FR2261227B1/fr not_active Expired
- 1975-02-14 JP JP1805175A patent/JPS5635612B2/ja not_active Expired
- 1975-02-14 ES ES434725A patent/ES434725A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT343597B (de) | 1978-06-12 |
| DE2505304A1 (de) | 1975-08-21 |
| ATA106575A (de) | 1977-10-15 |
| FR2261227A1 (US06811534-20041102-M00003.png) | 1975-09-12 |
| FR2261227B1 (US06811534-20041102-M00003.png) | 1981-08-28 |
| ES434725A1 (es) | 1977-03-16 |
| JPS50117699A (US06811534-20041102-M00003.png) | 1975-09-13 |
| GB1447566A (en) | 1976-08-25 |
| AU7797275A (en) | 1976-08-12 |
| US4018877A (en) | 1977-04-19 |
| JPS5635612B2 (US06811534-20041102-M00003.png) | 1981-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |