GB1565945A - Process of refining sodium hexafiuorosilicate - Google Patents
Process of refining sodium hexafiuorosilicate Download PDFInfo
- Publication number
- GB1565945A GB1565945A GB4115/78A GB411578A GB1565945A GB 1565945 A GB1565945 A GB 1565945A GB 4115/78 A GB4115/78 A GB 4115/78A GB 411578 A GB411578 A GB 411578A GB 1565945 A GB1565945 A GB 1565945A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slurry
- crude
- sodium hexafluorosilicate
- concentration
- gypsum
- 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 description 38
- 239000011734 sodium Substances 0.000 title claims description 29
- 238000007670 refining Methods 0.000 title claims description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title description 3
- 229910052708 sodium Inorganic materials 0.000 title description 3
- 239000002002 slurry Substances 0.000 claims description 61
- JTDPJYXDDYUJBS-UHFFFAOYSA-N quinoline-2-carbohydrazide Chemical compound C1=CC=CC2=NC(C(=O)NN)=CC=C21 JTDPJYXDDYUJBS-UHFFFAOYSA-N 0.000 claims description 34
- 229910052602 gypsum Inorganic materials 0.000 claims description 24
- 239000010440 gypsum Substances 0.000 claims description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 20
- 238000001953 recrystallisation Methods 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 150000004761 hexafluorosilicates Chemical class 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229940104869 fluorosilicate Drugs 0.000 description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000013078 crystal Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007790 solid phase Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000010908 decantation Methods 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 101100283604 Caenorhabditis elegans pigk-1 gene Proteins 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical class O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013058 crude material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- -1 sea water Chemical compound 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP928477A JPS5395196A (en) | 1977-02-01 | 1977-02-01 | Production of purified sodium silicofluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1565945A true GB1565945A (en) | 1980-04-23 |
Family
ID=11716166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4115/78A Expired GB1565945A (en) | 1977-02-01 | 1978-02-01 | Process of refining sodium hexafiuorosilicate |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4161511A (en:Method) |
| JP (1) | JPS5395196A (en:Method) |
| BE (1) | BE863501A (en:Method) |
| CA (1) | CA1087370A (en:Method) |
| DE (1) | DE2803590C2 (en:Method) |
| FR (1) | FR2378719A1 (en:Method) |
| GB (1) | GB1565945A (en:Method) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7820191B2 (en) | 2000-04-28 | 2010-10-26 | Skeletal Kinetics, Llc | Calcium phosphate cements prepared from silicate solutions |
| US6375935B1 (en) | 2000-04-28 | 2002-04-23 | Brent R. Constantz | Calcium phosphate cements prepared from silicate solutions |
| US20040250730A1 (en) * | 2003-06-12 | 2004-12-16 | David Delaney | Calcium phosphate cements prepared from silicate-phosphate solutions |
| US7306786B2 (en) * | 2003-07-28 | 2007-12-11 | Skeletal Kinetics, Llc | Calcium phosphate cements comprising a water-soluble contrast agent |
| US7261718B2 (en) * | 2003-09-11 | 2007-08-28 | Skeletal Kinetics Llc | Use of vibration with polymeric bone cements |
| US7261717B2 (en) * | 2003-09-11 | 2007-08-28 | Skeletal Kinetics Llc | Methods and devices for delivering orthopedic cements to a target bone site |
| US7252833B2 (en) * | 2003-11-18 | 2007-08-07 | Skeletal Kinetics, Llc | Calcium phosphate cements comprising an osteoclastogenic agent |
| US8118812B2 (en) | 2004-03-09 | 2012-02-21 | Skeletal Kinetics, Llc | Use of vibration in composite fixation |
| US9707024B2 (en) | 2004-03-09 | 2017-07-18 | Skeletal Kinetics, Llc | Use of vibration in composite fixation |
| US7252841B2 (en) * | 2004-05-20 | 2007-08-07 | Skeletal Kinetics, Llc | Rapid setting calcium phosphate cements |
| US20050257714A1 (en) * | 2004-05-20 | 2005-11-24 | Constantz Brent R | Orthopedic cements comprising a barium apatite contrast agent |
| US7175858B2 (en) * | 2004-07-26 | 2007-02-13 | Skeletal Kinetics Llc | Calcium phosphate cements and methods for using the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954275A (en) * | 1958-01-15 | 1960-09-27 | John N Carothers | Process of recovering fluorine from phosphate rock |
| US3055733A (en) * | 1959-03-04 | 1962-09-25 | Swift & Co | Upgrading alkali metal silicofluoride |
| US3607016A (en) * | 1967-11-29 | 1971-09-21 | Sir Soc Italiana Resine Spa | Process for recovering sodium fluosilicate in the production of phosphoric acid |
| GB1246020A (en) * | 1968-07-07 | 1971-09-15 | Central Glass Co Ltd | Process for purification of sodium silicofluoride |
| US3915659A (en) * | 1968-07-07 | 1975-10-28 | Central Glass Co Ltd | Purification of sodium silicofluoride by slurrying with NaCl containing brine |
| US3795728A (en) * | 1971-03-02 | 1974-03-05 | Knauf Westdeutsche Gips | Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum |
| US4060586A (en) * | 1976-06-15 | 1977-11-29 | Pennzoil Company | Recovery of fluorides from gypsum |
-
1977
- 1977-02-01 JP JP928477A patent/JPS5395196A/ja active Granted
-
1978
- 1978-01-23 FR FR7801738A patent/FR2378719A1/fr active Granted
- 1978-01-27 DE DE2803590A patent/DE2803590C2/de not_active Expired
- 1978-01-31 US US05/873,883 patent/US4161511A/en not_active Expired - Lifetime
- 1978-01-31 BE BE184775A patent/BE863501A/xx not_active IP Right Cessation
- 1978-01-31 CA CA296,107A patent/CA1087370A/en not_active Expired
- 1978-02-01 GB GB4115/78A patent/GB1565945A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2378719A1 (fr) | 1978-08-25 |
| US4161511A (en) | 1979-07-17 |
| JPS5395196A (en) | 1978-08-19 |
| FR2378719B1 (en:Method) | 1981-11-06 |
| JPS5647127B2 (en:Method) | 1981-11-07 |
| DE2803590C2 (de) | 1982-08-05 |
| BE863501A (fr) | 1978-05-16 |
| CA1087370A (en) | 1980-10-14 |
| DE2803590A1 (de) | 1978-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |