FR1111495A - Procédé de cristallisation de nitrates à partir de solutions nitriques acides de phosphate de calcium - Google Patents

Procédé de cristallisation de nitrates à partir de solutions nitriques acides de phosphate de calcium

Info

Publication number
FR1111495A
FR1111495A FR1111495DA FR1111495A FR 1111495 A FR1111495 A FR 1111495A FR 1111495D A FR1111495D A FR 1111495DA FR 1111495 A FR1111495 A FR 1111495A
Authority
FR
France
Prior art keywords
crystallizing
nitrates
calcium phosphate
nitric solutions
acidic 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
Other languages
English (en)
French (fr)
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.)
Norsk Hydro Elektrisk Kvaelstof AS
Original Assignee
Norsk Hydro Elektrisk Kvaelstof AS
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 Norsk Hydro Elektrisk Kvaelstof AS filed Critical Norsk Hydro Elektrisk Kvaelstof AS
Application granted granted Critical
Publication of FR1111495A publication Critical patent/FR1111495A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C5/00—Fertilisers containing other nitrates
    • C05C5/005—Post-treatment
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/18—Nitrates of ammonium
    • 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
    • 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
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers
    • C05C1/02—Granulation; Pelletisation; Stabilisation; Colouring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Removal Of Specific Substances (AREA)
FR1111495D 1953-11-05 1954-11-05 Procédé de cristallisation de nitrates à partir de solutions nitriques acides de phosphate de calcium Expired FR1111495A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO768040X 1953-11-05

Publications (1)

Publication Number Publication Date
FR1111495A true FR1111495A (fr) 1956-02-27

Family

ID=19906972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1111495D Expired FR1111495A (fr) 1953-11-05 1954-11-05 Procédé de cristallisation de nitrates à partir de solutions nitriques acides de phosphate de calcium

Country Status (4)

Country Link
BE (1) BE533101A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE953977C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1111495A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB768040A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122646A1 (en) * 1983-03-07 1984-10-24 Stamicarbon B.V. Process for separating off calcium nitrate tetrahydrate by crystallization

Families Citing this family (4)

* 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
US10369493B2 (en) * 2012-09-11 2019-08-06 Cap Iii B.V. Process for initiating an ammonium sulfate crystallization process
GB201816380D0 (en) * 2018-10-08 2018-11-28 Sunamp Ltd Group II metal nitrate based compositions for use as phase change materials
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 (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573284C (de) * 1928-10-27 1933-03-29 Erling Johnson Verfahren zur Herstellung von Kalksalpeter und Phosphorsaeure oder Stickstoff- und Phosphorsaeureduengemitteln
FR682423A (fr) * 1928-10-27 1930-05-27 Odda Smelteverk Aktieselskap Procédé de transformation des phosphates naturels en composés solubles et de séparation de la chaux et de l'acide phosphorique y contenus
DE549539C (de) * 1929-09-28 1932-04-28 Erling Johnson Verfahren zur Herstellung von konzentrierten Duengemitteln
DE559073C (de) * 1929-10-28 1932-09-15 Erling Johnson Verfahren zur Beseitigung von unloeslichen Verunreinigungen bei der Aufloesung von Rohphosphat in Salpetersaeure
DE650344C (de) * 1931-11-21 1937-09-21 Norsk Hydro Elek Sk Kvaelstofa Verfahren zur getrennten Herstellung calciumhaltiger Duengemittel und Phosphorsaeure bzw. Phosphatduengemittel
DE675823C (de) * 1932-05-12 1939-05-17 Norsk Hydro Elek Sk Kvaelstofa Verfahren zur getrennten Herstellung calciumhaltiger Duengemittel und Phosphorsaeurebzw. Phosphatduengemittel
DE631234C (de) * 1932-05-21 1936-06-16 Norsk Hydro Elek Sk Kvaelstofa Verfahren zur Herstellung von Duengemitteln
DE641761C (de) * 1934-02-07 1937-02-18 Erling Johnson Verfahren zur Herstellung von Phosphatduengemitteln in gleichmaessig gekoernter Form
DE677966C (de) * 1937-06-27 1939-07-06 I G Farbenindustrie Akt Ges Aufschliessen von Phosphaten
DE697373C (de) * 1938-04-08 1940-10-12 I G Farbenindustrie Akt Ges Verfahren zum Aufschliessen von Phosphaten
DE702607C (de) * 1938-11-02 1941-02-12 Meyer Fa Rud Otto Vorrichtung zur Verhinderung und Beseitigung von Kristallansaetzen an UEberlaufrohren
DE822994C (de) * 1939-06-03 1951-11-29 Norsk Hydro Elek Sk Kvaelstofa Verfahren zur Herstellung von Mehrstoffduengemitteln
DE727142C (de) * 1939-07-09 1942-10-28 Ig Farbenindustrie Ag Verfahren zum Aufschliessen von Rohphosphaten
DE858831C (de) * 1942-06-11 1952-12-08 Georg Alexander Krause Dr H C Verfahren und Vorrichtung zur Behandlung von feuchten oder fluessigen Stoffen mit zwei oder mehr verchiedenen Temperaturen
US2540083A (en) * 1945-12-29 1951-02-06 Phillips Petroleum Co Continuous extractive crystallization process
DE812433C (de) * 1947-08-11 1951-08-30 Der Niederlaendische Staat Verfahren zur Herabsetzung des Calciumnitratgehaltes einer Loesung von Rohphosphat in Salpetersaeure, z. B. zwecks Herstellung von Duengemitteln
DE833822C (de) * 1949-08-23 1952-03-13 Farbwerke Hoechst Vormals Meis Verfahren zum salpetersauren Aufschluss von Rohphosphaten unter gleichzeitiger Gewinnung von Kalksalpetertetrahydrat und Phosphorsaeure oder Stickstoff-Phosphorsaeureduengemitteln

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122646A1 (en) * 1983-03-07 1984-10-24 Stamicarbon B.V. Process for separating off calcium nitrate tetrahydrate by crystallization

Also Published As

Publication number Publication date
DE953977C (de) 1956-12-13
BE533101A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB768040A (en) 1957-02-13

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