PT2008118024W - PROCESSO PARA A PURIFICAÃ†O DE NITRATO DE CáLCIO E PRODUTOS SEUS DERIVADOS. - Google Patents

PROCESSO PARA A PURIFICAÃ†O DE NITRATO DE CáLCIO E PRODUTOS SEUS DERIVADOS. Download PDF

Info

Publication number: PT2008118024W
Authority: PT; Portugal
Prior art keywords: process according; solution; flocculant; calcium nitrate; digestion
Prior art date: 2007-03-28

Application number

PT2008000116D

Other languages

English (en)

Portuguese (pt)

Inventor

Frank Robert Eriksen

Hans Kristian Austad

Original Assignee

Yara Int Asa

Priority date (The priority date 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 date listed.)

2007-03-28

Filing date

2008-03-28

Publication date

2010-07-02

2008-03-28 Application filed by Yara Int Asa filed Critical Yara Int Asa

2010-07-02 Publication of PT2008118024W publication Critical patent/PT2008118024W/pt

Links

238000000034 method Methods 0.000 title claims description 41
238000000746 purification Methods 0.000 title description 13
229910002651 NO3 Inorganic materials 0.000 title description 4
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title description 4
ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 61
239000002245 particle Substances 0.000 claims description 24
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
239000007788 liquid Substances 0.000 claims description 21
230000029087 digestion Effects 0.000 claims description 20
238000005188 flotation Methods 0.000 claims description 20
238000001914 filtration Methods 0.000 claims description 13
239000004576 sand Substances 0.000 claims description 11
229910052586 apatite 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
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
239000006185 dispersion Substances 0.000 claims description 8
229910017604 nitric acid Inorganic materials 0.000 claims description 8
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 7
238000005119 centrifugation Methods 0.000 claims description 7
229920006395 saturated elastomer Polymers 0.000 claims description 6
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 5
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
238000005189 flocculation Methods 0.000 claims description 5
230000016615 flocculation Effects 0.000 claims description 5
238000005406 washing Methods 0.000 claims description 5
238000004519 manufacturing process Methods 0.000 claims description 4
238000006386 neutralization reaction Methods 0.000 claims description 4
238000009287 sand filtration Methods 0.000 claims description 4
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
238000010924 continuous production Methods 0.000 claims description 2
238000002425 crystallisation Methods 0.000 claims 2
230000008025 crystallization Effects 0.000 claims 2
238000004090 dissolution Methods 0.000 claims 1
239000000243 solution Substances 0.000 description 33
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
239000013078 crystal Substances 0.000 description 11
239000000047 product Substances 0.000 description 10
229910019142 PO4 Inorganic materials 0.000 description 8
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 8
239000010452 phosphate Substances 0.000 description 8
235000021317 phosphate Nutrition 0.000 description 8
239000007787 solid Substances 0.000 description 8
239000008394 flocculating agent Substances 0.000 description 7
239000012535 impurity Substances 0.000 description 7
230000000052 comparative effect Effects 0.000 description 4
239000002198 insoluble material Substances 0.000 description 4
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
239000011575 calcium Substances 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
239000011521 glass Substances 0.000 description 3
239000003921 oil Substances 0.000 description 3
238000001556 precipitation Methods 0.000 description 3
238000000926 separation method Methods 0.000 description 3
239000002002 slurry Substances 0.000 description 3
238000012360 testing method Methods 0.000 description 3
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 2
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
239000007864 aqueous solution Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000008021 deposition Effects 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
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
238000002156 mixing Methods 0.000 description 2
238000011020 pilot scale process Methods 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
150000004760 silicates Chemical class 0.000 description 2
239000010802 sludge Substances 0.000 description 2
239000001993 wax Substances 0.000 description 2
229910004261 CaF 2 Inorganic materials 0.000 description 1
239000005909 Kieselgur Substances 0.000 description 1
238000000184 acid digestion Methods 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
229910021529 ammonia Inorganic materials 0.000 description 1
239000006227 byproduct Substances 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 class [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
229910001634 calcium fluoride Inorganic materials 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
239000003795 chemical substances by application Substances 0.000 description 1
239000000701 coagulant Substances 0.000 description 1
238000000576 coating method Methods 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
239000011549 crystallization solution Substances 0.000 description 1
238000007865 diluting Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
238000001033 granulometry Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000011835 investigation Methods 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
239000000203 mixture Substances 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 1
230000020477 pH reduction Effects 0.000 description 1
229910052585 phosphate mineral Inorganic materials 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000007670 refining 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
239000000377 silicon dioxide Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
150000004685 tetrahydrates Chemical class 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)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Physical Water Treatments (AREA)

PT2008000116D 2007-03-28 2008-03-28 PROCESSO PARA A PURIFICAÃ†O DE NITRATO DE CáLCIO E PRODUTOS SEUS DERIVADOS. PT2008118024W (pt)

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 (1)

Publication Number	Publication Date
PT2008118024W true PT2008118024W (pt)	2010-07-02

Family

ID=39683934

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT2008000116D PT2008118024W (pt)	2007-03-28	2008-03-28	PROCESSO PARA A PURIFICAÃ†O DE NITRATO DE CáLCIO E PRODUTOS SEUS DERIVADOS.

Country Status (5)

Country	Link
NO (1)	NO332007B1 (fr)
PT (1)	PT2008118024W (fr)
RO (1)	RO125377B1 (fr)
RU (1)	RU2459765C2 (fr)
WO (1)	WO2008118024A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL134893C (fr) *	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 RO ROA200900675A patent/RO125377B1/ro unknown
- 2008-03-28 RU RU2009137487/05A patent/RU2459765C2/ru active
- 2008-03-28 PT PT2008000116D patent/PT2008118024W/pt unknown
- 2008-03-28 WO PCT/NO2008/000116 patent/WO2008118024A2/fr not_active Ceased

Also Published As

Publication number	Publication date
WO2008118024A4 (fr)	2009-02-26
NO332007B1 (no)	2012-05-21
RO125377B1 (ro)	2015-10-30
WO2008118024A2 (fr)	2008-10-02
RU2459765C2 (ru)	2012-08-27
RO125377A2 (ro)	2010-04-30
RU2009137487A (ru)	2011-05-10
NO20071631L (no)	2008-09-29
WO2008118024A3 (fr)	2008-12-31

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