FR1525081A - Process of nitric attack of phosphates with crystallization and separation of calcium nitrate - Google Patents

Process of nitric attack of phosphates with crystallization and separation of calcium nitrate

Info

Publication number
FR1525081A
FR1525081A FR90229A FR90229A FR1525081A FR 1525081 A FR1525081 A FR 1525081A FR 90229 A FR90229 A FR 90229A FR 90229 A FR90229 A FR 90229A FR 1525081 A FR1525081 A FR 1525081A
Authority
FR
France
Prior art keywords
phosphates
crystallization
separation
calcium nitrate
nitric
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
FR90229A
Other languages
French (fr)
Inventor
Charles Bouilly
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Priority to FR90229A priority Critical patent/FR1525081A/en
Priority to FR131876A priority patent/FR93675E/en
Priority to BE708667D priority patent/BE708667A/xx
Priority to GB5918567A priority patent/GB1149310A/en
Priority to ES348987A priority patent/ES348987A1/en
Priority to JP55768A priority patent/JPS5214239B1/ja
Priority to NL6800255A priority patent/NL6800255A/xx
Application granted granted Critical
Publication of FR1525081A publication Critical patent/FR1525081A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
    • 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)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR90229A 1967-01-06 1967-01-06 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate Expired FR1525081A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR90229A FR1525081A (en) 1967-01-06 1967-01-06 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate
FR131876A FR93675E (en) 1967-01-06 1967-12-12 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate.
BE708667D BE708667A (en) 1967-01-06 1967-12-28
GB5918567A GB1149310A (en) 1967-01-06 1967-12-29 Nitric acid digestion of phosphates
ES348987A ES348987A1 (en) 1967-01-06 1968-01-05 Nitric acid digestion of phosphates
JP55768A JPS5214239B1 (en) 1967-01-06 1968-01-06
NL6800255A NL6800255A (en) 1967-01-06 1968-01-08

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR90229A FR1525081A (en) 1967-01-06 1967-01-06 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate
FR131876A FR93675E (en) 1967-01-06 1967-12-12 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate.

Publications (1)

Publication Number Publication Date
FR1525081A true FR1525081A (en) 1968-05-17

Family

ID=26174485

Family Applications (2)

Application Number Title Priority Date Filing Date
FR90229A Expired FR1525081A (en) 1967-01-06 1967-01-06 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate
FR131876A Expired FR93675E (en) 1967-01-06 1967-12-12 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR131876A Expired FR93675E (en) 1967-01-06 1967-12-12 Process of nitric attack of phosphates with crystallization and separation of calcium nitrate.

Country Status (6)

Country Link
JP (1) JPS5214239B1 (en)
BE (1) BE708667A (en)
ES (1) ES348987A1 (en)
FR (2) FR1525081A (en)
GB (1) GB1149310A (en)
NL (1) NL6800255A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8300816A (en) * 1983-03-07 1984-10-01 Unie Van Kunstmestfab Bv METHOD FOR SEPARATING CALCIUM NITRATE TETRAHYDRATE BY CRYSTALLIZATION
JPS61109095U (en) * 1984-12-22 1986-07-10
JPS642390U (en) * 1987-06-24 1989-01-09
EP3434647B1 (en) 2017-07-25 2021-09-08 Borealis Agrolinz Melamine GmbH A process for obtaining calcium nitrate crystals

Also Published As

Publication number Publication date
NL6800255A (en) 1968-07-08
ES348987A1 (en) 1969-06-16
BE708667A (en) 1968-05-02
GB1149310A (en) 1969-04-23
JPS5214239B1 (en) 1977-04-20
FR93675E (en) 1969-05-02

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