BE589380A - Process for the continuous crystallization of hydrated calcium nitrate from a solution of decomposed phosphates in nitric acid - Google Patents

Process for the continuous crystallization of hydrated calcium nitrate from a solution of decomposed phosphates in nitric acid

Info

Publication number
BE589380A
BE589380A BE589380A BE589380A BE589380A BE 589380 A BE589380 A BE 589380A BE 589380 A BE589380 A BE 589380A BE 589380 A BE589380 A BE 589380A BE 589380 A BE589380 A BE 589380A
Authority
BE
Belgium
Prior art keywords
phosphates
decomposed
solution
nitric acid
calcium nitrate
Prior art date
Application number
BE589380A
Other languages
French (fr)
Inventor
Jan Cerny
Original Assignee
Jan Cerny
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 Jan Cerny filed Critical Jan Cerny
Publication of BE589380A publication Critical patent/BE589380A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • 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
    • C01F11/40—Preparation by double decomposition with nitrates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE589380A 1959-04-06 1960-04-04 Process for the continuous crystallization of hydrated calcium nitrate from a solution of decomposed phosphates in nitric acid BE589380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS200459 1959-04-06

Publications (1)

Publication Number Publication Date
BE589380A true BE589380A (en) 1960-08-01

Family

ID=5355861

Family Applications (1)

Application Number Title Priority Date Filing Date
BE589380A BE589380A (en) 1959-04-06 1960-04-04 Process for the continuous crystallization of hydrated calcium nitrate from a solution of decomposed phosphates in nitric acid

Country Status (4)

Country Link
BE (1) BE589380A (en)
DE (1) DE1150397B (en)
GB (1) GB932215A (en)
NL (2) NL127854C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732155A (en) * 2019-11-14 2020-01-31 江苏润普食品科技股份有限公司 continuous evaporation crystallization process and device for calcium propionate with controllable particle size

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1496160A (en) * 1966-07-05 1967-09-29 Azote Office Nat Ind Process for the manufacture of phosphoric acid by extraction using organic solvents from the product of the nitric attack of natural phosphates
US4008309A (en) * 1970-01-07 1977-02-15 Institutul De Cercetari Chimice - Icechim Process for crystallizing calcium nitrate
DE2528611C3 (en) * 1975-06-26 1981-09-17 Bayer Ag, 5090 Leverkusen Process and device for the continuous production of crystals
US4079123A (en) * 1976-12-30 1978-03-14 Hooker Chemicals & Plastics Corporation Process for the production of chlorine dioxide
US4840652A (en) * 1986-01-18 1989-06-20 Coldeco S.A. Method of generating and using cold, and device for implementing such method
CN109399688A (en) * 2018-10-17 2019-03-01 贵州芭田生态工程有限公司 The method of phosphate fertilizer mother liquor low temperature decalcification and decalcification filtrate and phosphate fertilizer preparation method
EP4019106A1 (en) 2020-12-23 2022-06-29 Yara International ASA Crystalliser, method for crystallising and use of the crystalliser in performing the method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573284C (en) * 1928-10-27 1933-03-29 Erling Johnson Process for the production of calcium nitrate and phosphoric acid or nitrogen and phosphoric acid dueners
BE374459A (en) * 1929-10-23
DE677966C (en) * 1937-06-27 1939-07-06 I G Farbenindustrie Akt Ges Digestion of phosphates
DE697374C (en) * 1938-04-08 1940-10-12 I G Farbenindustrie Akt Ges Process for digesting phosphates
FR1040911A (en) * 1951-07-21 1953-10-20 Saint Gobain Improvement in the manufacture of phospho-nitrogen fertilizers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732155A (en) * 2019-11-14 2020-01-31 江苏润普食品科技股份有限公司 continuous evaporation crystallization process and device for calcium propionate with controllable particle size

Also Published As

Publication number Publication date
GB932215A (en) 1963-07-24
NL250214A (en)
NL127854C (en)
DE1150397B (en) 1963-06-20

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