ATE79603T1 - Verfahren zur reinigung von kalciumnitrat, in loesung oder schmelze abgeschieden aus einer durch aufloesen von phosphatgesteinen mit salpetersaeure gewonnenen mischung. - Google Patents

Verfahren zur reinigung von kalciumnitrat, in loesung oder schmelze abgeschieden aus einer durch aufloesen von phosphatgesteinen mit salpetersaeure gewonnenen mischung.

Info

Publication number: ATE79603T1
Authority: AT; Austria
Prior art keywords: solution; melt; calcium nitrate; purification; nitric acid
Prior art date: 1987-10-06

Application number

AT88115515T

Other languages

English (en)

Inventor

Johnny Nicolaisen

Original Assignee

Norsk Hydro As

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.)

1987-10-06

Filing date

1988-09-21

Publication date

1992-09-15

1988-09-21 Application filed by Norsk Hydro As filed Critical Norsk Hydro As

1992-09-15 Application granted granted Critical

1992-09-15 Publication of ATE79603T1 publication Critical patent/ATE79603T1/de

Links

ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 title abstract 6
239000000203 mixture Substances 0.000 title abstract 3
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
229910017604 nitric acid Inorganic materials 0.000 title abstract 2
239000002367 phosphate rock Substances 0.000 title abstract 2
238000000746 purification Methods 0.000 title abstract 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 4
239000011574 phosphorus Substances 0.000 abstract 4
229910052698 phosphorus Inorganic materials 0.000 abstract 4
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 2
229910000147 aluminium phosphate Inorganic materials 0.000 abstract 2
229910052731 fluorine Inorganic materials 0.000 abstract 2
239000011737 fluorine Substances 0.000 abstract 2
-1 phosphorus compound Chemical class 0.000 abstract 2
235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
229910002651 NO3 Inorganic materials 0.000 abstract 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
235000011941 Tilia x europaea Nutrition 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000000356 contaminant Substances 0.000 abstract 1
238000004090 dissolution Methods 0.000 abstract 1
239000000706 filtrate Substances 0.000 abstract 1
239000004571 lime Substances 0.000 abstract 1
239000000155 melt Substances 0.000 abstract 1
239000002244 precipitate Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/04—Fertilisers containing other nitrates containing calcium nitrate
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Removal Of Specific Substances (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Compounds Of Iron (AREA)
Oxygen, Ozone, And Oxides In General (AREA)
Fertilizers (AREA)

AT88115515T 1987-10-06 1988-09-21 Verfahren zur reinigung von kalciumnitrat, in loesung oder schmelze abgeschieden aus einer durch aufloesen von phosphatgesteinen mit salpetersaeure gewonnenen mischung. ATE79603T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NO874186A NO162714C (no)	1987-10-06	1987-10-06	Fremgangsmaate for rensing av kalsiumnitratsmelte/loesning som separeres fra den blanding som faas ved oppslutning av raafosfat med salpetersyre.
EP88115515A EP0310868B1 (de)	1987-10-06	1988-09-21	Verfahren zur Reinigung von Kalciumnitrat, in Lösung oder Schmelze abgeschieden aus einer durch Auflösen von Phosphatgesteinen mit Salpetersäure gewonnenen Mischung

Publications (1)

Publication Number	Publication Date
ATE79603T1 true ATE79603T1 (de)	1992-09-15

Family

ID=19890289

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT88115515T ATE79603T1 (de)	1987-10-06	1988-09-21	Verfahren zur reinigung von kalciumnitrat, in loesung oder schmelze abgeschieden aus einer durch aufloesen von phosphatgesteinen mit salpetersaeure gewonnenen mischung.

Country Status (11)

Country	Link
US (1)	US4952379A (de)
EP (1)	EP0310868B1 (de)
CN (1)	CN1016602B (de)
AT (1)	ATE79603T1 (de)
DD (1)	DD273621A5 (de)
DE (1)	DE3873872T2 (de)
DZ (1)	DZ1255A1 (de)
HU (1)	HU200306B (de)
NO (1)	NO162714C (de)
RO (1)	RO102359B1 (de)
SU (1)	SU1706384A3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2228906C1 (ru) *	2003-05-19	2004-05-20	Открытое акционерное общество "Акрон"	Способ очистки расплава или раствора нитрата кальция
RU2239601C1 (ru) *	2003-11-20	2004-11-10	Общество с ограниченной ответственностью "Научно-инженерный центр"	Способ получения очищенного раствора нитрата кальция
NO332007B1 (no) *	2007-03-28	2012-05-21	Yara Int Asa	Fremgangsmate til rensing av kalsiumnitrat
SK287816B6 (sk) *	2007-07-09	2011-11-04	Duslo, A. S.	Granulated water-soluble calcium-nitrous fertilizer and method for preparation thereof
NO332615B1 (no) *	2008-04-16	2012-11-19	Yara Int Asa	Metode for rensing av kalsiumnitratlosninger eller smelter
RU2507154C1 (ru) *	2012-08-14	2014-02-20	Открытое Акционерное Общество "Завод минеральных удобрений Кирово-Чепецкого химического комбината" (ОАО "ЗМУ КЧХК")	Способ получения очищенного раствора нитрата кальция
CN103589434B (zh) *	2013-11-11	2016-05-18	中国农业科学院农业资源与农业区划研究所	一种低pH值土壤调理剂的制备方法
CN106629805B (zh) *	2016-10-17	2017-11-21	交城县三喜化工有限公司	一种生产硝酸钙液的方法及其装置
CN111533099B (zh) *	2020-05-22	2021-12-07	四川大学	一种水溶性磷酸一铵的生产方法
BE1028692B1 (nl) *	2021-03-13	2022-05-04	Eurochem Antwerpen	ODDA-Proces voor de productie van stikstofhoudende meststoffen met verbeterde kalkverwijdering
CN114524684B (zh) *	2022-04-24	2022-07-19	太原理工大学	一种氮磷比可调的冷冻法硝酸磷肥生产工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA587379A (en) *		1959-11-17	Nees Hugo	Process for producing phosphate-containing fertilizers
US1856187A (en) *	1929-05-30	1932-05-03	Firm Odda Smelteverk As	Process of producing calcium nitrate and ammonium salts from phosphate rock and like phosphate material
US2061191A (en) *	1931-11-21	1936-11-17	Norsk Hydro Elektrisk	Treatment of raw phosphates
US1983024A (en) *	1932-05-21	1934-12-04	Norsk Hydro Elektrisk	Treatment of crude phosphates
US2114600A (en) *	1933-12-23	1938-04-19	Kunstdunger Patent Verwertungs	Manufacture of dicalcium phosphate and alkali salts
GB660390A (en) *	1948-03-15	1951-11-07	Norsk Hydro Elektrisk	Method for the neutralisation of acid calcium nitrate solutions or calcium nitrate melts containing ions of phosphate
DE967522C (de) *	1951-09-10	1957-11-21	Chemie Linz Ag	Verfahren zur Herstellung eines lagerbestaendigen, stickstofffreien Phosphatduengemittels oder Beifuttermittels
FR1071404A (fr) *	1952-02-28	1954-08-31	Stamicarbon	Procédé pour diminuer l'acidité de solutions ou de masses fondues de nitrate de calcium contenant du phosphate
GB757835A (en) *	1953-06-20	1956-09-26	Norsk Hydro Elektrisk	Improvements in or relating to the production of monoammonium phosphate and other products from raw phosphate
DE1093805B (de) *	1958-12-09	1960-12-01	Kalk Chemische Fabrik Gmbh	Verfahren zur Ammonisierung von sauren, Calcium-, Phosphat- und gegebenenfalls Fluorionen enthaltenden Loesungen oder Maischen
US3266885A (en) *	1963-04-23	1966-08-16	Caldwell Paul	Method of recovering phosphatic values from phosphate rock
SU529146A1 (ru) *	1974-09-16	1976-09-25	Институт Химии Ан Узбекской Сср	Способ получени азотного удобрени
US4720377A (en) *	1986-07-11	1988-01-19	Olin Corporation	Method for producing nitrous oxide by reacting ammonia with a molten nitrate salt of an alkaline earth metal

1987
- 1987-10-06 NO NO874186A patent/NO162714C/no unknown
1988
- 1988-09-21 EP EP88115515A patent/EP0310868B1/de not_active Expired - Lifetime
- 1988-09-21 AT AT88115515T patent/ATE79603T1/de not_active IP Right Cessation
- 1988-09-21 DE DE8888115515T patent/DE3873872T2/de not_active Expired - Fee Related
- 1988-09-28 US US07/250,848 patent/US4952379A/en not_active Expired - Fee Related
- 1988-10-04 DD DD88320448A patent/DD273621A5/de not_active IP Right Cessation
- 1988-10-05 HU HU885167A patent/HU200306B/hu not_active IP Right Cessation
- 1988-10-05 DZ DZ880156A patent/DZ1255A1/fr active
- 1988-10-05 RO RO1988134513Q patent/RO102359B1/ro unknown
- 1988-10-05 SU SU884356609A patent/SU1706384A3/ru active
- 1988-10-06 CN CN88109098A patent/CN1016602B/zh not_active Expired

Also Published As

Publication number	Publication date
NO874186D0 (no)	1987-10-06
HU200306B (en)	1990-05-28
RO102359B1 (en)	1992-05-13
DZ1255A1 (fr)	2004-09-13
CN1016602B (zh)	1992-05-13
CN1032430A (zh)	1989-04-19
DE3873872D1 (de)	1992-09-24
NO162714B (no)	1989-10-30
NO874186L (no)	1989-04-07
SU1706384A3 (ru)	1992-01-15
NO162714C (no)	1990-02-07
EP0310868B1 (de)	1992-08-19
DD273621A5 (de)	1989-11-22
HUT49089A (en)	1989-08-28
EP0310868A1 (de)	1989-04-12
DE3873872T2 (de)	1993-01-14
US4952379A (en)	1990-08-28

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Legal Events

Date	Code	Title	Description
1993-02-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties