FR93849E - Procédé de préparation de bouillies d'engrais par acidification de minerai de phosphate et neutralisation a l'ammoniaque. - Google Patents

Procédé de préparation de bouillies d'engrais par acidification de minerai de phosphate et neutralisation a l'ammoniaque.

Info

Publication number
FR93849E
FR93849E FR134395A FR134395A FR93849E FR 93849 E FR93849 E FR 93849E FR 134395 A FR134395 A FR 134395A FR 134395 A FR134395 A FR 134395A FR 93849 E FR93849 E FR 93849E
Authority
FR
France
Prior art keywords
acidification
neutralization
ammonia
preparation
phosphate ore
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
FR134395A
Other languages
English (en)
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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
Priority claimed from US505447A external-priority patent/US3416910A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of FR93849E publication Critical patent/FR93849E/fr
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
    • C05B11/06—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
FR134395A 1963-12-13 1967-12-29 Procédé de préparation de bouillies d'engrais par acidification de minerai de phosphate et neutralisation a l'ammoniaque. Expired FR93849E (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33024263A 1963-12-13 1963-12-13
US41224364A 1964-11-18 1964-11-18
US505447A US3416910A (en) 1963-12-13 1965-10-28 Method of preventing reversion to citrate insoluble form
US60559466A 1966-12-29 1966-12-29

Publications (1)

Publication Number Publication Date
FR93849E true FR93849E (fr) 1969-05-23

Family

ID=27502414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR134395A Expired FR93849E (fr) 1963-12-13 1967-12-29 Procédé de préparation de bouillies d'engrais par acidification de minerai de phosphate et neutralisation a l'ammoniaque.

Country Status (3)

Country Link
US (1) US3433617A (fr)
FR (1) FR93849E (fr)
NL (1) NL6514805A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993466A (en) * 1967-06-23 1976-11-23 Aktieselskabet Dansk Svovlsyre-Og Superphosphat-Fabrik Fertilizer production
US3628940A (en) * 1969-01-02 1971-12-21 Exxon Research Engineering Co Method for producing nitrophosphate fertilizer
US4388101A (en) * 1979-03-14 1983-06-14 Occidental Chemical Agricultural Products, Inc. Non-pressure nitrogen carrier fertilizer solutions and dispersions and process of manufacture
US11643370B2 (en) * 2014-10-15 2023-05-09 Liquid Fertiliser Pty Ltd Stable aqueous dispersions of zinc phosphates

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091523A (en) * 1960-08-22 1963-05-28 Allied Chem Process of producing high-nitrogen, low-chloride nitraphosphate complete fertilizers
US3113858A (en) * 1961-06-26 1963-12-10 Tennessee Valley Authority Method of producing high-analysis fertilizer suspensions
GB1041823A (en) * 1963-03-05 1966-09-07 Fisons Ltd Fertilizers

Also Published As

Publication number Publication date
NL6514805A (fr) 1966-05-20
US3433617A (en) 1969-03-18

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