FR1541705A - Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels - Google Patents

Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels

Info

Publication number
FR1541705A
FR1541705A FR109910A FR109910A FR1541705A FR 1541705 A FR1541705 A FR 1541705A FR 109910 A FR109910 A FR 109910A FR 109910 A FR109910 A FR 109910A FR 1541705 A FR1541705 A FR 1541705A
Authority
FR
France
Prior art keywords
valorization
calcium nitrate
natural phosphates
nitric
attack
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
FR109910A
Other languages
English (en)
Inventor
Felix Sternicha
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.)
Office National Industriel de lAzote
Original Assignee
Office National Industriel de lAzote
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 Office National Industriel de lAzote filed Critical Office National Industriel de lAzote
Priority to FR109910A priority Critical patent/FR1541705A/fr
Priority to BE716416D priority patent/BE716416A/xx
Priority to AT557168A priority patent/AT278871B/de
Priority to CH866568A priority patent/CH488624A/fr
Priority to ES355330A priority patent/ES355330A1/es
Application granted granted Critical
Publication of FR1541705A publication Critical patent/FR1541705A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/02Oxides or hydroxides
    • C01F11/04Oxides or hydroxides by thermal decomposition
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/20Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24Nitric oxide (NO)
    • C01B21/26Preparation by catalytic or non-catalytic oxidation of ammonia
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/20Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38Nitric acid
    • C01B21/42Preparation from nitrates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
FR109910A 1967-06-12 1967-06-12 Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels Expired FR1541705A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR109910A FR1541705A (fr) 1967-06-12 1967-06-12 Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels
BE716416D BE716416A (fr) 1967-06-12 1968-06-11
AT557168A AT278871B (de) 1967-06-12 1968-06-11 Verfahren und Vorrichtung zur Verwertung des aus dem Salpetersäure-Aufschluß von Naturphosphaten stammenden Calciumnitrat-Tetrahydrats durch thermische Zersetzung
CH866568A CH488624A (fr) 1967-06-12 1968-06-11 Procédé de valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels
ES355330A ES355330A1 (es) 1967-06-12 1968-06-12 Procedimiento para el aprovechamiento del nitrato de calciotetrahidratado.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR109910A FR1541705A (fr) 1967-06-12 1967-06-12 Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels

Publications (1)

Publication Number Publication Date
FR1541705A true FR1541705A (fr) 1968-10-11

Family

ID=8632765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR109910A Expired FR1541705A (fr) 1967-06-12 1967-06-12 Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels

Country Status (5)

Country Link
AT (1) AT278871B (fr)
BE (1) BE716416A (fr)
CH (1) CH488624A (fr)
ES (1) ES355330A1 (fr)
FR (1) FR1541705A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385645A1 (fr) * 1977-03-28 1978-10-27 Mizusawa Industrial Chem Procede pour recuperer de l'acide nitrique directement a partir d'un acide nitrique ou nitrate use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385645A1 (fr) * 1977-03-28 1978-10-27 Mizusawa Industrial Chem Procede pour recuperer de l'acide nitrique directement a partir d'un acide nitrique ou nitrate use

Also Published As

Publication number Publication date
AT278871B (de) 1970-02-10
BE716416A (fr) 1968-11-04
CH488624A (fr) 1970-04-15
ES355330A1 (es) 1969-11-16

Similar Documents

Publication Publication Date Title
BE758862A (fr) Perfectionnements relatifs au traitement d'alliages
FR1426412A (fr) Coffre de plongée contenant des instruments
BE774704A (fr) Perfectionnements relatifs a l'enrobage des graines
FR1429595A (fr) Mélange destiné à influer sur la croissance des plantes
FR1431980A (fr) Compositions de résines d'éthoxyline
FR1439067A (fr) Agents pour empêcher la croissance de plantes indésirables
FR1332561A (fr) Perfectionnements à l'éviscération des coquillages
FR1427358A (fr) Perfectionnements à l'aération des liquides
BE756456A (fr) Preparation de l'hydroxycitronellal
FR1541705A (fr) Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels
FR1445545A (fr) Perfectionnements relatifs à la vaporisation des métaux et métalloïdes
FR1503514A (fr) Fabrication d'o-acylates partiels de lincomycine
FR87141E (fr) Perfectionnements à la régulation des installations d'évaporation à multiple effet
BE775934Q (fr) Purification de vapeurs contenant des composes fluores
FR1525081A (fr) Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium
FR1508104A (fr) Corrosion par l'acide
FR1418945A (fr) Perfectionnements à la régulation des installations d'évaporation à multiple effet
FR1437044A (fr) Récupération de l'acide 5'-guanylique
FR1540488A (fr) Fabrication de phosphates et de nitrate d'ammonium à partir des phosphates naturels
BE745282A (fr) Perfectionnements relatifs a l'entretien des voies de chemin defer
FR1376281A (fr) Purification d'alliages
FR1483448A (fr) Compositions de revêtement contenant de l'acide polysilicique
FR1427713A (fr) Perfectionnements à l'adaptation des antennes de télévision
FR1420962A (fr) Agents pour empêcher la croissance de plantes indésirables
FR1466279A (fr) Compositions et procédés pour l'amélioration des minerais