ES466522A1 - Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2 - Google Patents

Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2

Info

Publication number
ES466522A1
ES466522A1 ES466522A ES466522A ES466522A1 ES 466522 A1 ES466522 A1 ES 466522A1 ES 466522 A ES466522 A ES 466522A ES 466522 A ES466522 A ES 466522A ES 466522 A1 ES466522 A1 ES 466522A1
Authority
ES
Spain
Prior art keywords
calcium
ammonium
sulphate
produce
carbonate
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
ES466522A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES466522A priority Critical patent/ES466522A1/es
Priority to US05/927,935 priority patent/US4239523A/en
Publication of ES466522A1 publication Critical patent/ES466522A1/es
Expired legal-status Critical Current

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
    • C01B25/38—Condensed phosphates
    • C01B25/44—Metaphosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/06—Alkali and alkaline earth meta- or polyphosphate fertilisers

Landscapes

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

Abstract

Procedimiento para la fabricación de abono fosfáticos de elevada concentración, en particular metafosfato de calcio Ca(PO3)2, caracterizado por el tratamiento de fosforita con solución de bisulfato amónico en la proporción de 1 Mol de calcio, bajo cualquier forma química, a 1 Mol de bisulfato amónico, bajo agitación y a temperatura ambiente.
ES466522A 1978-01-31 1978-01-31 Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2 Expired ES466522A1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES466522A ES466522A1 (es) 1978-01-31 1978-01-31 Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2
US05/927,935 US4239523A (en) 1978-01-31 1978-07-25 Method for manufacturing phosphatic fertilizers having a high concentration, particularly calcium metaphosphate Ca(PO3)2

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES466522A ES466522A1 (es) 1978-01-31 1978-01-31 Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2

Publications (1)

Publication Number Publication Date
ES466522A1 true ES466522A1 (es) 1979-10-01

Family

ID=8475397

Family Applications (1)

Application Number Title Priority Date Filing Date
ES466522A Expired ES466522A1 (es) 1978-01-31 1978-01-31 Ÿprocedimiento para la fabricacion de abonos fosfaticos de elevada concentracion, en particular metafosfato de calcio -ca(po3)2

Country Status (2)

Country Link
US (1) US4239523A (es)
ES (1) ES466522A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360625A (en) * 1979-12-14 1982-11-23 Monsanto Company Acicular, crystalline calcium metaphosphate
US4716026A (en) * 1986-01-22 1987-12-29 International Minerals & Chemical Corp. Defluorination kiln restriction control agent and method
FR2800726B1 (fr) * 1999-11-05 2002-08-30 Rhodia Chimie Sa Procede de traitement des effluents d'un traitement au phosphate trisodique, et filtre-presse pour sa mise en oeuvre
CN106315528B (zh) * 2015-06-30 2018-09-07 铜仁市万山区盛和矿业有限责任公司 一种磷矿尾矿加工及综合利用的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA786237A (en) * 1968-05-28 Casa Inc. Process for the manufacture of highly concentrated phosphates
US1002143A (en) * 1910-08-20 1911-08-29 Frederick W Frerichs Process of producing calcium metaphosphate and ammonia.
US1816051A (en) * 1928-05-21 1931-07-28 Chemical Products Company Method for treating phosphate material
US2589272A (en) * 1949-03-16 1952-03-18 Tennessee Valley Authority Production of calcium metaphosphate
US3345153A (en) * 1964-11-25 1967-10-03 Dow Chemical Co Solubilizing phosphate rock with an ammonium phosphate-ammonium bisulfate melt
US3595610A (en) * 1968-11-14 1971-07-27 Exxon Production Research Co Manufacture of ammonium phosphates
NL6818164A (es) * 1968-12-18 1970-06-22
US3956464A (en) * 1970-10-16 1976-05-11 Pennzoil Company Preparation of phosphates

Also Published As

Publication number Publication date
US4239523A (en) 1980-12-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981001