TNSN86068A1 - Procede de preparation de phosphates d'ammonium a partir de phosphates naturels - Google Patents

Procede de preparation de phosphates d'ammonium a partir de phosphates naturels

Info

Publication number
TNSN86068A1
TNSN86068A1 TNTNSN86068A TNSN86068A TNSN86068A1 TN SN86068 A1 TNSN86068 A1 TN SN86068A1 TN TNSN86068 A TNTNSN86068 A TN TNSN86068A TN SN86068 A TNSN86068 A TN SN86068A TN SN86068 A1 TNSN86068 A1 TN SN86068A1
Authority
TN
Tunisia
Prior art keywords
phosphates
natural
preparation
ammonium
natural phosphates
Prior art date
Application number
TNTNSN86068A
Other languages
English (en)
Inventor
Angelo Bianchi
Giorgio Mantellini
Guido Anania
Francesco Russo
Original Assignee
Enichem Agricoltura 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 Enichem Agricoltura Spa filed Critical Enichem Agricoltura Spa
Publication of TNSN86068A1 publication Critical patent/TNSN86068A1/fr

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
    • C05B11/08—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 sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Dental Preparations (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PROCEDE DE PREPARATION DE PHOSPHATES D'AMMONIUM A PARTIR DE PHOSPHATES NATURELS, CONSISTANT A BROYER CES PHOSPHATES NATURELS, A LES ATTAQUER CHIMIQUEMENT AVEC DE L'ACIDE SULFURIQUE ET DU SULFATE D'AMMONIUM, ET A FILTRER LA BOUILLIE REACTIONNELLE, CARACTERISE PAR LE FAIT QUE LE TRAITEMENT CHIMIQUE DES PHOSPHATES NATURELS EST EFFECTUE EN UNE SEULE ETAPE DANS DES CONDITIONS ISOTHERMES, A UNE TEMPERATURE COMPRISE ENTRE 70 ET 90°C
TNTNSN86068A 1985-04-23 1986-04-21 Procede de preparation de phosphates d'ammonium a partir de phosphates naturels TNSN86068A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20455/85A IT1187659B (it) 1985-04-23 1985-04-23 Procedimento per la produzione di fosfati d'ammonio da rocce fosfatiche

Publications (1)

Publication Number Publication Date
TNSN86068A1 true TNSN86068A1 (fr) 1990-01-01

Family

ID=11167201

Family Applications (1)

Application Number Title Priority Date Filing Date
TNTNSN86068A TNSN86068A1 (fr) 1985-04-23 1986-04-21 Procede de preparation de phosphates d'ammonium a partir de phosphates naturels

Country Status (8)

Country Link
EP (1) EP0200073A3 (fr)
ES (1) ES8706572A1 (fr)
IL (1) IL78514A0 (fr)
IT (1) IT1187659B (fr)
MA (1) MA20662A1 (fr)
NO (1) NO861562L (fr)
TN (1) TNSN86068A1 (fr)
ZA (1) ZA862536B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2097139C1 (ru) * 1996-08-13 1997-11-27 Йелстаун Корпорейшн Н.В. Способ обогащения карбонатсодержащего фосфатного сырья
US6562308B1 (en) * 2000-11-15 2003-05-13 Agrium, Inc. Process for the recovery of phosphate from phosphate rock

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB276297A (en) * 1926-08-19 1928-07-17 Luis Adelantado Improvements in and relating to the manufacture of phosphate fertilizers
FR631421A (fr) * 1926-12-23 1927-12-20 Procédé de fabrication de phosphates solubles
US3457061A (en) * 1965-03-29 1969-07-22 Swift & Co Utilization of phosphoric acid sludge
BE699728A (fr) * 1966-06-16 1967-12-11
PL100380B1 (pl) * 1975-03-06 1978-09-30 Przedsiebiorstwo Projektowania Sposob wytwarzania jednoczesnie kwasu fosforowego lub soli fosforowych i wieloskladnikowego nawozu mineralnego
PL124240B1 (en) * 1979-06-27 1983-01-31 Politechnika Wroclawska Method of manufacture of mixed fertilizers

Also Published As

Publication number Publication date
ZA862536B (en) 1986-11-26
NO861562L (no) 1986-10-24
IL78514A0 (en) 1986-08-31
ES554667A0 (es) 1987-07-01
EP0200073A2 (fr) 1986-11-05
IT8520455A0 (it) 1985-04-23
EP0200073A3 (fr) 1987-10-14
IT1187659B (it) 1987-12-23
MA20662A1 (fr) 1986-12-31
ES8706572A1 (es) 1987-07-01

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