BR112018002341A2 - método para a fabricação de um fertilizante de fosfato de amônio tendo teor de cádmio baixo - Google Patents

método para a fabricação de um fertilizante de fosfato de amônio tendo teor de cádmio baixo

Info

Publication number
BR112018002341A2
BR112018002341A2 BR112018002341A BR112018002341A BR112018002341A2 BR 112018002341 A2 BR112018002341 A2 BR 112018002341A2 BR 112018002341 A BR112018002341 A BR 112018002341A BR 112018002341 A BR112018002341 A BR 112018002341A BR 112018002341 A2 BR112018002341 A2 BR 112018002341A2
Authority
BR
Brazil
Prior art keywords
phosphoric acid
solution
ammonium phosphate
phosphate fertilizer
making
Prior art date
Application number
BR112018002341A
Other languages
English (en)
Other versions
BR112018002341B1 (pt
Inventor
Kossir Abdelaali
Samrane Kamal
Khouloud Mehdi
Original Assignee
Ocp Sa
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 Ocp Sa filed Critical Ocp Sa
Publication of BR112018002341A2 publication Critical patent/BR112018002341A2/pt
Publication of BR112018002341B1 publication Critical patent/BR112018002341B1/pt

Links

Classifications

    • 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
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B19/00—Granulation or pelletisation of phosphatic fertilisers, other than slag
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

a invenção refere-se a um método para a fabricação de um fertilizante de fosfato de amônio a partir de uma solução aquosa de ácido fosfórico que tem menos de 50% de concentração de p2o5 e é obtida por tratamento de minério com fosfato a úmido, o referido ácido fosfórico contendo traços de cádmio. o referido método inclui as seguintes etapas: (a) neutralizar a referida solução de ácido fosfórico (1) com amônia (3) até uma razão molar de n/p entre 0,1 e 0,8; (b) reagir a referida solução parcialmente neutralizada (4) com uma fonte de sulfeto (6) de modo a formar um precipitado de sulfeto de cádmio (9); (c) separar o referido precipitado (9) de modo a obter uma solução refinada de ácido fosfórico amoniado (10); e (d) amoniar e granular a referida solução refinada (10) de modo a formar o referido fertilizante (12).
BR112018002341-8A 2015-08-03 2016-08-03 Método para a fabricação de um fertilizante de fosfato de amônio tendo teor de cádmio baixo BR112018002341B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1557483A FR3039830B1 (fr) 2015-08-03 2015-08-03 Procede de fabrication d'un engrais a base de phosphate d'ammonium presentant une teneur reduite en cadmium
FR1557483 2015-08-03
PCT/MA2016/000012 WO2017023153A2 (fr) 2015-08-03 2016-08-03 Procede de fabrication d'un engrais a base de phosphate d'ammonium presentant une teneur reduite en cadmium

Publications (2)

Publication Number Publication Date
BR112018002341A2 true BR112018002341A2 (pt) 2018-09-25
BR112018002341B1 BR112018002341B1 (pt) 2022-11-01

Family

ID=55759656

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018002341-8A BR112018002341B1 (pt) 2015-08-03 2016-08-03 Método para a fabricação de um fertilizante de fosfato de amônio tendo teor de cádmio baixo

Country Status (17)

Country Link
US (1) US10947164B2 (pt)
EP (1) EP3331841B1 (pt)
CN (1) CN109071368B (pt)
AU (1) AU2016303902B2 (pt)
BR (1) BR112018002341B1 (pt)
CA (1) CA2993518C (pt)
EA (1) EA035357B1 (pt)
ES (1) ES2875409T3 (pt)
FR (1) FR3039830B1 (pt)
HK (1) HK1256723A1 (pt)
HU (1) HUE054820T2 (pt)
IL (1) IL257286B (pt)
MX (1) MX2018001466A (pt)
PL (1) PL3331841T3 (pt)
SG (1) SG11201800810RA (pt)
WO (1) WO2017023153A2 (pt)
ZA (1) ZA201800652B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11512367B2 (en) 2019-06-04 2022-11-29 K-Technologies, Inc. Processes for the removal and recovery of cadmium from wet-process phosphoric acid

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134847A (en) * 1962-11-06 1964-05-26 Whitehall Electronics Corp Angularly adaptive rod antenna mount
NL7417042A (nl) * 1974-01-16 1975-07-18 Fisons Ltd Werkwijze voor de bereiding van ammoniumfos- faten.
US3974263A (en) * 1974-04-04 1976-08-10 Fisons Limited Process for producing ammonium phosphate in two stages
GB1483739A (en) * 1974-09-13 1977-08-24 Scottish Agricultural Ltd Manufacture of solid ammonium phosphate
SE418845B (sv) * 1979-05-10 1981-06-29 Boliden Ab Forfarande for rening av vatprocessfosforsyra
FR2481611A1 (fr) 1980-05-05 1981-11-06 Generale Engrais Sa Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium
MA18993A1 (fr) * 1980-11-07 1981-07-01 Boliden Ab Methode pour eliminer les metaux lourds dans l'acide phosphorique
DE3134847A1 (de) * 1981-09-03 1983-03-17 Hoechst Ag, 6000 Frankfurt "verfahren zur gewinnung cadmium-freier rohphosphorsaeure"
NO164768C (no) 1988-03-04 1990-11-14 Norsk Hydro As Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger.
DE4327401A1 (de) * 1993-08-14 1995-02-16 Hoechst Ag Verfahren zur Entfernung von Blei und Cadmium aus Phosphorsäure
FR2755959B1 (fr) * 1996-11-18 1998-12-24 Kaltenbach Thuring Sa Reacteur, procede et installation pour la fabrication de sels d'ammoniaque
SE537780C2 (sv) * 2013-05-02 2015-10-13 Easymining Sweden Ab Produktion av fosfatföreningar från material innehållande fosfor och åtminstone ett av järn och aluminium
PL3077335T3 (pl) * 2013-12-02 2024-03-25 Prayon Sposób produkcji źródła fosforanów dla rolnictwa i przemysłu spożywczego
CN103991853A (zh) * 2014-05-29 2014-08-20 龚家竹 生产低重金属含量卫生磷肥的方法

Also Published As

Publication number Publication date
US10947164B2 (en) 2021-03-16
WO2017023153A2 (fr) 2017-02-09
ES2875409T3 (es) 2021-11-10
IL257286A (en) 2018-03-29
BR112018002341B1 (pt) 2022-11-01
FR3039830A1 (fr) 2017-02-10
HK1256723A1 (zh) 2019-10-04
MX2018001466A (es) 2019-01-31
FR3039830B1 (fr) 2018-09-07
WO2017023153A3 (fr) 2017-03-30
EP3331841B1 (fr) 2021-03-17
PL3331841T3 (pl) 2021-09-27
CA2993518A1 (fr) 2017-02-09
CN109071368A (zh) 2018-12-21
AU2016303902A1 (en) 2018-03-29
AU2016303902B2 (en) 2021-03-04
CA2993518C (fr) 2023-08-08
EA035357B1 (ru) 2020-06-01
EP3331841A2 (fr) 2018-06-13
IL257286B (en) 2021-06-30
EA201890418A1 (ru) 2018-07-31
SG11201800810RA (en) 2018-02-27
ZA201800652B (en) 2019-06-26
US20180222809A1 (en) 2018-08-09
HUE054820T2 (hu) 2021-10-28
CN109071368B (zh) 2021-11-12

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Legal Events

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/08/2016, OBSERVADAS AS CONDICOES LEGAIS