NO332007B1 - Fremgangsmate til rensing av kalsiumnitrat - Google Patents
Fremgangsmate til rensing av kalsiumnitrat Download PDFInfo
- Publication number
- NO332007B1 NO332007B1 NO20071631A NO20071631A NO332007B1 NO 332007 B1 NO332007 B1 NO 332007B1 NO 20071631 A NO20071631 A NO 20071631A NO 20071631 A NO20071631 A NO 20071631A NO 332007 B1 NO332007 B1 NO 332007B1
- Authority
- NO
- Norway
- Prior art keywords
- calcium nitrate
- stated
- procedure
- water
- solution
- Prior art date
Links
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000000746 purification Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000005188 flotation Methods 0.000 claims abstract description 20
- 238000005119 centrifugation Methods 0.000 claims abstract description 11
- 238000009287 sand filtration Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 15
- 230000029087 digestion Effects 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 11
- 239000008394 flocculating agent Substances 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052586 apatite Inorganic materials 0.000 claims description 9
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[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 VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000011437 continuous method Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 239000002198 insoluble material Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- ZHJGWYRLJUCMRT-UHFFFAOYSA-N 5-[6-[(4-methylpiperazin-1-yl)methyl]benzimidazol-1-yl]-3-[1-[2-(trifluoromethyl)phenyl]ethoxy]thiophene-2-carboxamide Chemical compound C=1C=CC=C(C(F)(F)F)C=1C(C)OC(=C(S1)C(N)=O)C=C1N(C1=C2)C=NC1=CC=C2CN1CCN(C)CC1 ZHJGWYRLJUCMRT-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical class [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical class [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229910052585 phosphate mineral Inorganic materials 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 238000012795 verification Methods 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
- C01F11/36—Nitrates
- C01F11/38—Preparation with nitric acid or nitrogen oxides
-
- 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
- C01F11/36—Nitrates
-
- 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
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Physical Water Treatments (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20071631A NO332007B1 (no) | 2007-03-28 | 2007-03-28 | Fremgangsmate til rensing av kalsiumnitrat |
| PT2008000116D PT2008118024W (pt) | 2007-03-28 | 2008-03-28 | PROCESSO PARA A PURIFICAÆO DE NITRATO DE CáLCIO E PRODUTOS SEUS DERIVADOS. |
| ROA200900675A RO125377B1 (ro) | 2007-03-28 | 2008-03-28 | Procedeu pentru obţinerea azotatului de calciu |
| PCT/NO2008/000116 WO2008118024A2 (en) | 2007-03-28 | 2008-03-28 | Method for purification of calsium nitrate and products made thereof |
| RU2009137487/05A RU2459765C2 (ru) | 2007-03-28 | 2008-03-28 | Способ очистки нитрата кальция и полученные продукты |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20071631A NO332007B1 (no) | 2007-03-28 | 2007-03-28 | Fremgangsmate til rensing av kalsiumnitrat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20071631L NO20071631L (no) | 2008-09-29 |
| NO332007B1 true NO332007B1 (no) | 2012-05-21 |
Family
ID=39683934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20071631A NO332007B1 (no) | 2007-03-28 | 2007-03-28 | Fremgangsmate til rensing av kalsiumnitrat |
Country Status (5)
| Country | Link |
|---|---|
| NO (1) | NO332007B1 (ro) |
| PT (1) | PT2008118024W (ro) |
| RO (1) | RO125377B1 (ro) |
| RU (1) | RU2459765C2 (ro) |
| WO (1) | WO2008118024A2 (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK287816B6 (sk) * | 2007-07-09 | 2011-11-04 | Duslo, A. S. | Granulated water-soluble calcium-nitrous fertilizer and method for preparation thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL134893C (ro) * | 1967-06-29 | |||
| NO162714C (no) * | 1987-10-06 | 1990-02-07 | Norsk Hydro As | Fremgangsmaate for rensing av kalsiumnitratsmelte/loesning som separeres fra den blanding som faas ved oppslutning av raafosfat med salpetersyre. |
| US5009792A (en) * | 1989-10-24 | 1991-04-23 | Norsk Hydro A.S. | Method for clarifying aqueous salt solutions |
| RU2228906C1 (ru) * | 2003-05-19 | 2004-05-20 | Открытое акционерное общество "Акрон" | Способ очистки расплава или раствора нитрата кальция |
| PL200842B1 (pl) * | 2004-09-16 | 2009-02-27 | Adam Nawrocki | Sposób wytwarzania nawozu zawierającego azotan wapnia |
-
2007
- 2007-03-28 NO NO20071631A patent/NO332007B1/no unknown
-
2008
- 2008-03-28 PT PT2008000116D patent/PT2008118024W/pt unknown
- 2008-03-28 RU RU2009137487/05A patent/RU2459765C2/ru active
- 2008-03-28 WO PCT/NO2008/000116 patent/WO2008118024A2/en active Application Filing
- 2008-03-28 RO ROA200900675A patent/RO125377B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO125377B1 (ro) | 2015-10-30 |
| RU2459765C2 (ru) | 2012-08-27 |
| WO2008118024A4 (en) | 2009-02-26 |
| WO2008118024A3 (en) | 2008-12-31 |
| PT2008118024W (pt) | 2010-07-02 |
| NO20071631L (no) | 2008-09-29 |
| RO125377A2 (ro) | 2010-04-30 |
| RU2009137487A (ru) | 2011-05-10 |
| WO2008118024A2 (en) | 2008-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CHAD | Change of the owner's name or address (par. 44 patent law, par. patentforskriften) |
Owner name: YARA INTERNATIONAL ASA, NO |