ES8706572A1 - Procedimiento para la produccion de fosfatos de amonio a partir de rocas fosfaticas - Google Patents

Procedimiento para la produccion de fosfatos de amonio a partir de rocas fosfaticas

Info

Publication number
ES8706572A1
ES8706572A1 ES554667A ES554667A ES8706572A1 ES 8706572 A1 ES8706572 A1 ES 8706572A1 ES 554667 A ES554667 A ES 554667A ES 554667 A ES554667 A ES 554667A ES 8706572 A1 ES8706572 A1 ES 8706572A1
Authority
ES
Spain
Prior art keywords
rocks
phosphates
production
ammonium
ammonium phosphates
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
ES554667A
Other languages
English (en)
Other versions
ES554667A0 (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.)
Enichem Agricoltura SpA
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 ES8706572A1 publication Critical patent/ES8706572A1/es
Publication of ES554667A0 publication Critical patent/ES554667A0/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
    • C05B11/08—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

Abstract

METODO DE OBTENER FOSFATOS DE AMONIO A PARTIR DE ROCAS FOSFATICAS. CONSISTE EN: TRITURAR LAS ROCAS (8); ATACAR A ESTAS CON ACIDO SULFURICO (7) Y SULFATO AMONICO (9); Y FILTRAR LA TURBIDEZ DE REACCION; REALIZANDOSE EL ATQUE EN UNA UNICA ETAPA EN CONDICIONES ISOTERMICAS A UNA TEMPERATURA ENTRE 70 Y 90GC; EMPLEANDOSE UN MOLINO (2) CON UN PREMEZCLADOR (3) CON UNA SOLUCION DE LAVADO (4) DONDE SE OBTIENE UNA MEZCLA (5) QUE ES ENVIADA AL APARATO DE REACCION (6) POR EL PUNTO (8) Y ES ALIMENTADO CON DISPOSITIVOS PULVERIZADORES, SIENDO ENVIADO EL SULFATO AMONICO (9) AL APARATO DE REACCION POR EL PUNTO (10). TIENE APLICACION EN PROCESOS INDUSTRIALES.
ES554667A 1985-04-23 1986-04-22 Procedimiento para la produccion de fosfatos de amonio a partir de rocas fosfaticas Expired ES8706572A1 (es)

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 (2)

Publication Number Publication Date
ES8706572A1 true ES8706572A1 (es) 1987-07-01
ES554667A0 ES554667A0 (es) 1987-07-01

Family

ID=11167201

Family Applications (1)

Application Number Title Priority Date Filing Date
ES554667A Expired ES8706572A1 (es) 1985-04-23 1986-04-22 Procedimiento para la produccion de fosfatos de amonio a partir de rocas fosfaticas

Country Status (8)

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

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 (es) * 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
EP0200073A2 (en) 1986-11-05
IL78514A0 (en) 1986-08-31
EP0200073A3 (en) 1987-10-14
IT1187659B (it) 1987-12-23
NO861562L (no) 1986-10-24
ZA862536B (en) 1986-11-26
MA20662A1 (fr) 1986-12-31
IT8520455A0 (it) 1985-04-23
ES554667A0 (es) 1987-07-01
TNSN86068A1 (fr) 1990-01-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970505