RO102359B1 - Process for purifying calcium nitrate melt - Google Patents

Process for purifying calcium nitrate melt

Info

Publication number
RO102359B1
RO102359B1 RO1988134513Q RO13451388Q RO102359B1 RO 102359 B1 RO102359 B1 RO 102359B1 RO 1988134513 Q RO1988134513 Q RO 1988134513Q RO 13451388 Q RO13451388 Q RO 13451388Q RO 102359 B1 RO102359 B1 RO 102359B1
Authority
RO
Romania
Prior art keywords
melt
calcium nitrate
phosphorus
solution
nitrate melt
Prior art date
Application number
RO1988134513Q
Other languages
English (en)
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 filed Critical
Publication of RO102359B1 publication Critical patent/RO102359B1/ro

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)
RO1988134513Q 1987-10-06 1988-10-05 Process for purifying calcium nitrate melt RO102359B1 (en)

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 (1)

Publication Number Publication Date
RO102359B1 true RO102359B1 (en) 1992-05-13

Family

ID=19890289

Family Applications (1)

Application Number Title Priority Date Filing Date
RO1988134513Q RO102359B1 (en) 1987-10-06 1988-10-05 Process for purifying calcium nitrate melt

Country Status (11)

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

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
NO874186L (no) 1989-04-07
EP0310868B1 (en) 1992-08-19
CN1032430A (zh) 1989-04-19
NO162714C (no) 1990-02-07

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