ES8500868A1 - Procedimiento para separar por cristalizacion nitrato calcico tetrahidratado a partir de un liquido obtenido por diges- tion de fosfato mineral con acido nitrico. - Google Patents

Procedimiento para separar por cristalizacion nitrato calcico tetrahidratado a partir de un liquido obtenido por diges- tion de fosfato mineral con acido nitrico.

Info

Publication number
ES8500868A1
ES8500868A1 ES530319A ES530319A ES8500868A1 ES 8500868 A1 ES8500868 A1 ES 8500868A1 ES 530319 A ES530319 A ES 530319A ES 530319 A ES530319 A ES 530319A ES 8500868 A1 ES8500868 A1 ES 8500868A1
Authority
ES
Spain
Prior art keywords
crystallization
separating
liquor
calcium nitrate
nitrate tetrahydrate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES530319A
Other languages
English (en)
Other versions
ES530319A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unie Van Kunstmestfabrieken BV
Original Assignee
Unie Van Kunstmestfabrieken BV
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 Unie Van Kunstmestfabrieken BV filed Critical Unie Van Kunstmestfabrieken BV
Publication of ES8500868A1 publication Critical patent/ES8500868A1/es
Publication of ES530319A0 publication Critical patent/ES530319A0/es
Granted legal-status Critical Current

Links

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
    • C01F11/44—Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Paper (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

METODO DE SEPARACION DE NITRATO CALCICO TETRAHIDRATO POR CRISTALIZACION A PARTIR DE UN LIQUIDO OBTENIDO POR DIGESTION DE FOSFATO MINERAL CON ACIDO NITRICO.LA CRISTALIZACION SE EFECTUA POR ENFRIAMIENTO DEL LIQUIDO EN FORMA DISCONTINUA, HABIENDO AN/ADIDO AL LIQUIDO AL COMIENZO DEL ENFRIAMIENTO, A MODO DE SIEMBRA, NITRATO CALCICO TETRAHIDRATO CON UN TAMAN/O DE PARTICULA MENOR QUE 100 2M.TIENE APLICACIONES PARA LA PREPARACION DE FERTILIZANTES MIXTOS.
ES530319A 1983-03-07 1984-03-06 Procedimiento para separar por cristalizacion nitrato calcico tetrahidratado a partir de un liquido obtenido por diges- tion de fosfato mineral con acido nitrico. Granted ES530319A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8300816A NL8300816A (nl) 1983-03-07 1983-03-07 Werkwijze voor het door kristalliseren afscheiden van calciumnitraattetrahydraat.

Publications (2)

Publication Number Publication Date
ES8500868A1 true ES8500868A1 (es) 1984-11-01
ES530319A0 ES530319A0 (es) 1984-11-01

Family

ID=19841508

Family Applications (1)

Application Number Title Priority Date Filing Date
ES530319A Granted ES530319A0 (es) 1983-03-07 1984-03-06 Procedimiento para separar por cristalizacion nitrato calcico tetrahidratado a partir de un liquido obtenido por diges- tion de fosfato mineral con acido nitrico.

Country Status (18)

Country Link
US (1) US4569677A (es)
EP (1) EP0122646B1 (es)
JP (1) JPS59174524A (es)
AT (1) ATE36305T1 (es)
BR (1) BR8400977A (es)
CA (1) CA1244627A (es)
DE (1) DE3473264D1 (es)
EG (1) EG16429A (es)
ES (1) ES530319A0 (es)
GR (1) GR82642B (es)
HU (1) HUT34362A (es)
IN (1) IN159653B (es)
NL (1) NL8300816A (es)
NO (1) NO840855L (es)
OA (1) OA07675A (es)
RO (1) RO89118A (es)
YU (1) YU40584A (es)
ZA (1) ZA841678B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA80163C2 (en) * 2002-11-01 2007-08-27 Jara Internat Asa Process for obtaining of nitrate containing products from undercooled melts
PL200842B1 (pl) * 2004-09-16 2009-02-27 Adam Nawrocki Sposób wytwarzania nawozu zawierającego azotan wapnia
CN102584386A (zh) * 2012-01-16 2012-07-18 瓮福（集团）有限责任公司 真空低温浓缩结晶除钙的硝酸磷肥生产方法与装置
CN102701258B (zh) * 2012-05-21 2014-04-30 贵州红星发展股份有限公司 一种硝酸锶的抗结块方法
EP3434647B1 (en) 2017-07-25 2021-09-08 Borealis Agrolinz Melamine GmbH A process for obtaining calcium nitrate crystals
EP3495323B1 (en) * 2017-12-07 2020-09-09 Borealis Agrolinz Melamine GmbH A process for obtaining a soluble phosphate fraction from phosphate containing ash
CN116395730A (zh) * 2023-03-22 2023-07-07 承德莹科精细化工股份有限公司 高纯度碳酸钙和四水硝酸钙的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976283A (en) * 1929-10-28 1934-10-09 Firm Odda Smelteverk As Method of treating solutions of phosphate rock in nitric acid
NL63969C (nl) * 1947-02-28 1949-08-15 Directie Staatsmijnen Nl Werkwijze en inrichting voor het bereiden van een meer enkelvoudige oplossing uit een samengestelde oplossing door het laten kristaliseen van (een) component(en) van de gewenste oplossing en het weer oplossen daarvan
US2813777A (en) * 1953-11-05 1957-11-19 Norsk Hydro Elektrisk Process for the crystallization of nitrate from a nitric acid solution of crude phosphate
BE533101A (es) * 1953-11-05
FR1525081A (fr) * 1967-01-06 1968-05-17 Houilleres Bassin Du Nord Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium
US4008309A (en) * 1970-01-07 1977-02-15 Institutul De Cercetari Chimice - Icechim Process for crystallizing calcium nitrate

Also Published As

Publication number Publication date
CA1244627A (en) 1988-11-15
RO89118A (ro) 1986-04-30
NO840855L (no) 1984-09-10
EP0122646A1 (en) 1984-10-24
ZA841678B (en) 1984-10-31
EP0122646B1 (en) 1988-08-10
HUT34362A (en) 1985-03-28
ATE36305T1 (de) 1988-08-15
DE3473264D1 (en) 1988-09-15
EG16429A (en) 1987-04-30
YU40584A (en) 1986-06-30
IN159653B (es) 1987-05-30
US4569677A (en) 1986-02-11
GR82642B (es) 1985-02-07
BR8400977A (pt) 1984-10-09
NL8300816A (nl) 1984-10-01
OA07675A (en) 1985-05-23
ES530319A0 (es) 1984-11-01
JPS59174524A (ja) 1984-10-03

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