NO874186L - Fremgangsmaate for rensing av kalsiumnitratsmelte/loesning som separeres fra den blanding som faas ved oppslutning av raafosfat med salpetersyre. - Google Patents

Fremgangsmaate for rensing av kalsiumnitratsmelte/loesning som separeres fra den blanding som faas ved oppslutning av raafosfat med salpetersyre.

Info

Publication number
NO874186L
NO874186L NO87874186A NO874186A NO874186L NO 874186 L NO874186 L NO 874186L NO 87874186 A NO87874186 A NO 87874186A NO 874186 A NO874186 A NO 874186A NO 874186 L NO874186 L NO 874186L
Authority
NO
Norway
Prior art keywords
calcium nitrate
mixture
melt
dissolution
purification
Prior art date
Application number
NO87874186A
Other languages
English (en)
Other versions
NO874186D0 (no
NO162714B (no
NO162714C (no
Inventor
Johnny Nikolaisen
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.)
Filing date
Publication date
Application filed by Norsk Hydro As filed Critical Norsk Hydro As
Priority to NO874186A priority Critical patent/NO162714C/no
Publication of NO874186D0 publication Critical patent/NO874186D0/no
Priority to AT88115515T priority patent/ATE79603T1/de
Priority to DE8888115515T priority patent/DE3873872T2/de
Priority to EP88115515A priority patent/EP0310868B1/en
Priority to US07/250,848 priority patent/US4952379A/en
Priority to DD88320448A priority patent/DD273621A5/de
Priority to SU884356609A priority patent/SU1706384A3/ru
Priority to DZ880156A priority patent/DZ1255A1/fr
Priority to HU885167A priority patent/HU200306B/hu
Priority to RO1988134513Q priority patent/RO102359B1/ro
Priority to CN88109098A priority patent/CN1016602B/zh
Publication of NO874186L publication Critical patent/NO874186L/no
Publication of NO162714B publication Critical patent/NO162714B/no
Publication of NO162714C publication Critical patent/NO162714C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05CNITROGENOUS FERTILISERS
    • C05C5/00Fertilisers containing other nitrates
    • C05C5/04Fertilisers containing other nitrates containing calcium nitrate
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/36Nitrates

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)
  • Fertilizers (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Compounds Of Iron (AREA)
NO874186A 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. NO162714C (no)

Priority Applications (11)

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 (en) 1987-10-06 1988-09-21 Method for purifying calcium nitrate melt/solution which is separated from the mixture obtained by the solution of rock phosphate with nitric acid
DE8888115515T DE3873872T2 (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.
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.
US07/250,848 US4952379A (en) 1987-10-06 1988-09-28 Method for purifying calcium nitrate melt/solution which is separated from the mixture obtained by the solution of rock phosphate with nitric acid
DD88320448A DD273621A5 (de) 1987-10-06 1988-10-04 Methode zum reinigen von kalziumnitratschmelze
SU884356609A SU1706384A3 (ru) 1987-10-06 1988-10-05 Способ очистки расплава или раствора нитрата кальци
DZ880156A DZ1255A1 (fr) 1987-10-06 1988-10-05 Méthode de purification d'une fonte/solution de nitrate de calcium qui est séparée du mélange obtenupar la disolution du phospherite avec l'acide nitrique.
HU885167A HU200306B (en) 1987-10-06 1988-10-05 Process for purifying melted or solved calcium-nitrate
RO1988134513Q RO102359B1 (en) 1987-10-06 1988-10-05 Process for purifying calcium nitrate melt
CN88109098A CN1016602B (zh) 1987-10-06 1988-10-06 从硝酸溶解的磷灰岩所得的混合物中分出的硝酸钙溶解液的纯化方法

Applications Claiming Priority (1)

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.

Publications (4)

Publication Number Publication Date
NO874186D0 NO874186D0 (no) 1987-10-06
NO874186L true NO874186L (no) 1989-04-07
NO162714B NO162714B (no) 1989-10-30
NO162714C NO162714C (no) 1990-02-07

Family

ID=19890289

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Also Published As

Publication number Publication date
DE3873872D1 (de) 1992-09-24
DE3873872T2 (de) 1993-01-14
US4952379A (en) 1990-08-28
DD273621A5 (de) 1989-11-22
ATE79603T1 (de) 1992-09-15
CN1016602B (zh) 1992-05-13
HUT49089A (en) 1989-08-28
DZ1255A1 (fr) 2004-09-13
HU200306B (en) 1990-05-28
NO874186D0 (no) 1987-10-06
NO162714B (no) 1989-10-30
EP0310868A1 (en) 1989-04-12
SU1706384A3 (ru) 1992-01-15
EP0310868B1 (en) 1992-08-19
CN1032430A (zh) 1989-04-19
NO162714C (no) 1990-02-07
RO102359B1 (en) 1992-05-13

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