FR2214658A1 - Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers - Google Patents

Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers

Info

Publication number
FR2214658A1
FR2214658A1 FR7402022A FR7402022A FR2214658A1 FR 2214658 A1 FR2214658 A1 FR 2214658A1 FR 7402022 A FR7402022 A FR 7402022A FR 7402022 A FR7402022 A FR 7402022A FR 2214658 A1 FR2214658 A1 FR 2214658A1
Authority
FR
France
Prior art keywords
sepg
phosphorite
fertilisers
obtd
prods
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.)
Granted
Application number
FR7402022A
Other languages
English (en)
Other versions
FR2214658B1 (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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of FR2214658A1 publication Critical patent/FR2214658A1/fr
Application granted granted Critical
Publication of FR2214658B1 publication Critical patent/FR2214658B1/fr
Granted 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
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Fertilizers (AREA)
FR7402022A 1973-01-23 1974-01-22 Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers Granted FR2214658A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1949073A IT978376B (it) 1973-01-23 1973-01-23 Procedimento per la depurazione di soluzioni acquose di acido fosforico

Publications (2)

Publication Number Publication Date
FR2214658A1 true FR2214658A1 (en) 1974-08-19
FR2214658B1 FR2214658B1 (fr) 1977-03-04

Family

ID=11158454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402022A Granted FR2214658A1 (en) 1973-01-23 1974-01-22 Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers

Country Status (5)

Country Link
BE (1) BE810079A (fr)
DE (1) DE2402758A1 (fr)
FR (1) FR2214658A1 (fr)
IT (1) IT978376B (fr)
NL (1) NL7400777A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112723404A (zh) * 2021-01-04 2021-04-30 贵州芭田生态工程有限公司 一种将化学选矿副产物中钙镁磷分离的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323386A (en) * 1978-11-03 1982-04-06 Norsk Hydro A.S. Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate
DE3021839A1 (de) * 1980-06-11 1981-12-24 Chemische Werke Hüls AG, 4370 Marl Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112723404A (zh) * 2021-01-04 2021-04-30 贵州芭田生态工程有限公司 一种将化学选矿副产物中钙镁磷分离的方法

Also Published As

Publication number Publication date
IT978376B (it) 1974-09-20
BE810079A (fr) 1974-07-23
NL7400777A (fr) 1974-07-25
FR2214658B1 (fr) 1977-03-04
DE2402758A1 (de) 1974-07-25

Similar Documents

Publication Publication Date Title
CN114572948A (zh) 一种降低磷酸铁生产原料磷铵中杂质金属含量的方法
GB1309578A (en) Process for purifying phosphoric acid
FR2214658A1 (en) Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers
GB1081895A (en) Improvements relating to the production of phosphoric acids
US1699234A (en) Dtjstrie akteengesellschaft
US1367846A (en) Fertilizer and process of producing the same
GB396092A (en) A process for the production of nitrogenous and/or phosphatic mixed fertilisers of desired composition by treatment of raw phosphates with nitric acid
GB339340A (en) Improvements in and relating to the treatment of phosphate rock and the like
DE631234C (de) Verfahren zur Herstellung von Duengemitteln
GB343701A (en) Method of treating solutions obtained in leaching phosphate rock with nitric acid and ammonium sulphate
DE454419C (de) Gewinnung von Duengemitteln
DE1292674B (de) Verfahren zur Herstellung komplexer NPS-Duengemittel
GB295477A (en) Improvements in the manufacture and production of high grade fertilisers
AT103893B (de) Verfahren zur Verwendung des bei Zyanamidgewinnung aus Kalkstickstoff entstehenden Dizyandiamids bzw. Dizyandiamidins.
GB376178A (en) Process for purifying phosphatic liquids
FR2092692A1 (en) Highly concentrated ammonium phosphate/ammonium - nitrate fertilizer - by controlled nitricacid digestion of mineral ph
FR2383132A1 (fr) Procede de traitement thermique des boues excedentaires des stations d'epuration biologique d'eaux residuaires domestiques ou industrielles
DE591457C (de) Verfahren zum Aufschliessen von Calciumphosphaten
BRUNNER PHOSPHORUS REMOVAL BY ALUM AND IRON CLARIFICATION
GB316583A (fr)
GB275843A (en) Method of producing a mixed manure containing phosphoric acid and nitrogen
GB970946A (en) The production of chemical fertilizers
SU1599355A1 (ru) Способ комплексной переработки апатита
DE27106C (de) Verfahren zur Reinigung und Aufschliefsung von schwefel- und phosphorhaltigen Schlacken und sonstigen Phosphaten
GB662079A (en) Process for the manufacture of fertilizers

Legal Events

Date Code Title Description
ST Notification of lapse