ES348987A1 - Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico. - Google Patents

Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico.

Info

Publication number
ES348987A1
ES348987A1 ES348987A ES348987A ES348987A1 ES 348987 A1 ES348987 A1 ES 348987A1 ES 348987 A ES348987 A ES 348987A ES 348987 A ES348987 A ES 348987A ES 348987 A1 ES348987 A1 ES 348987A1
Authority
ES
Spain
Prior art keywords
crystals
tank
mother liquor
passed
decanter
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
ES348987A
Other languages
English (en)
Spanish (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.)
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
Publication of ES348987A1 publication Critical patent/ES348987A1/es
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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ES348987A 1967-01-06 1968-01-05 Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico. Expired ES348987A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR90229A FR1525081A (fr) 1967-01-06 1967-01-06 Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium
FR131876A FR93675E (fr) 1967-01-06 1967-12-12 Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium.

Publications (1)

Publication Number Publication Date
ES348987A1 true ES348987A1 (es) 1969-06-16

Family

ID=26174485

Family Applications (1)

Application Number Title Priority Date Filing Date
ES348987A Expired ES348987A1 (es) 1967-01-06 1968-01-05 Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico.

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8300816A (nl) * 1983-03-07 1984-10-01 Unie Van Kunstmestfab Bv Werkwijze voor het door kristalliseren afscheiden van calciumnitraattetrahydraat.
JPS61109095U (zh) * 1984-12-22 1986-07-10
JPS642390U (zh) * 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
GB1149310A (en) 1969-04-23
NL6800255A (zh) 1968-07-08
FR1525081A (fr) 1968-05-17
BE708667A (zh) 1968-05-02
FR93675E (fr) 1969-05-02
JPS5214239B1 (zh) 1977-04-20

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