RO89118A - Procedeu de cristalizare a azotatului de calciu tetrahidrat - Google Patents

Procedeu de cristalizare a azotatului de calciu tetrahidrat

Info

Publication number
RO89118A
RO89118A RO84113817A RO11381784A RO89118A RO 89118 A RO89118 A RO 89118A RO 84113817 A RO84113817 A RO 84113817A RO 11381784 A RO11381784 A RO 11381784A RO 89118 A RO89118 A RO 89118A
Authority
RO
Romania
Prior art keywords
sub
liquor
crystallization process
cooled
tetrahydrated
Prior art date
Application number
RO84113817A
Other languages
English (en)
French (fr)
Inventor
Hendrikus M C Gijsbertus
Jennekens H G Matheus
Original Assignee
Unie Van Kunsmestfabriken Bv,Nl
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 Kunsmestfabriken Bv,Nl filed Critical Unie Van Kunsmestfabriken Bv,Nl
Publication of RO89118A publication Critical patent/RO89118A/ro

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)
  • Paper (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Cephalosporin Compounds (AREA)
RO84113817A 1983-03-07 1984-03-03 Procedeu de cristalizare a azotatului de calciu tetrahidrat RO89118A (ro)

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 (1)

Publication Number Publication Date
RO89118A true RO89118A (ro) 1986-04-30

Family

ID=19841508

Family Applications (1)

Application Number Title Priority Date Filing Date
RO84113817A RO89118A (ro) 1983-03-07 1984-03-03 Procedeu de cristalizare a azotatului de calciu tetrahidrat

Country Status (18)

Country Link
US (1) US4569677A (ro)
EP (1) EP0122646B1 (ro)
JP (1) JPS59174524A (ro)
AT (1) ATE36305T1 (ro)
BR (1) BR8400977A (ro)
CA (1) CA1244627A (ro)
DE (1) DE3473264D1 (ro)
EG (1) EG16429A (ro)
ES (1) ES8500868A1 (ro)
GR (1) GR82642B (ro)
HU (1) HUT34362A (ro)
IN (1) IN159653B (ro)
NL (1) NL8300816A (ro)
NO (1) NO840855L (ro)
OA (1) OA07675A (ro)
RO (1) RO89118A (ro)
YU (1) YU40584A (ro)
ZA (1) ZA841678B (ro)

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 (ro) * 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
HUT34362A (en) 1985-03-28
NL8300816A (nl) 1984-10-01
IN159653B (ro) 1987-05-30
DE3473264D1 (en) 1988-09-15
NO840855L (no) 1984-09-10
EG16429A (en) 1987-04-30
EP0122646A1 (en) 1984-10-24
CA1244627A (en) 1988-11-15
ATE36305T1 (de) 1988-08-15
ZA841678B (en) 1984-10-31
BR8400977A (pt) 1984-10-09
EP0122646B1 (en) 1988-08-10
US4569677A (en) 1986-02-11
ES530319A0 (es) 1984-11-01
GR82642B (ro) 1985-02-07
JPS59174524A (ja) 1984-10-03
ES8500868A1 (es) 1984-11-01
OA07675A (en) 1985-05-23
YU40584A (en) 1986-06-30

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