ZA825548B - Process for the partial solubilization of phosphate rock and for the obtention of phosphoric acid and phosphate fertilizers therefrom - Google Patents

Process for the partial solubilization of phosphate rock and for the obtention of phosphoric acid and phosphate fertilizers therefrom

Info

Publication number
ZA825548B
ZA825548B ZA825548A ZA825548A ZA825548B ZA 825548 B ZA825548 B ZA 825548B ZA 825548 A ZA825548 A ZA 825548A ZA 825548 A ZA825548 A ZA 825548A ZA 825548 B ZA825548 B ZA 825548B
Authority
ZA
South Africa
Prior art keywords
phosphate
obtention
therefrom
phosphoric acid
fertilizers
Prior art date
Application number
ZA825548A
Other languages
English (en)
Inventor
Ahmed Abdallah Abdel-He Hossam
Carvalho Coelho Wagner
Gloria Maria Gomes Soares
Original Assignee
Petroleo Brasileiro 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 Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Publication of ZA825548B publication Critical patent/ZA825548B/xx

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
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/244—Preparation by double decomposition of ammonium salts with sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
ZA825548A 1981-08-24 1982-08-02 Process for the partial solubilization of phosphate rock and for the obtention of phosphoric acid and phosphate fertilizers therefrom ZA825548B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8105391A BR8105391A (pt) 1981-08-24 1981-08-24 Processo de solubilizacao parcial de rochas fosfaticas e posterior obtencao de acido forforico e fertilizantes fosforados

Publications (1)

Publication Number Publication Date
ZA825548B true ZA825548B (en) 1983-06-29

Family

ID=4028784

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825548A ZA825548B (en) 1981-08-24 1982-08-02 Process for the partial solubilization of phosphate rock and for the obtention of phosphoric acid and phosphate fertilizers therefrom

Country Status (13)

Country Link
US (2) US4469504A (xx)
JP (1) JPS5884191A (xx)
BE (1) BE894132A (xx)
BR (1) BR8105391A (xx)
DE (1) DE3229890A1 (xx)
FR (1) FR2511664B1 (xx)
GB (1) GB2104499B (xx)
IT (1) IT1149066B (xx)
MA (1) MA19575A1 (xx)
MX (1) MX161175A (xx)
OA (1) OA07195A (xx)
SU (1) SU1704625A3 (xx)
ZA (1) ZA825548B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8400318A (pt) * 1984-01-26 1985-09-03 Petroleo Brasileiro Sa Processo de preparacao de fertilizante por solubilizacao parcial de rochas fosfaticas
US5211735A (en) * 1987-04-24 1993-05-18 Petroleo Brasileiro S. A. Process for preparing phosphated or nitrophosphated fertilizers through solubilization of phosphate rock
FI117973B (fi) * 2001-04-17 2007-05-15 Kemira Growhow Oyj Parannettu metsälannoite
DE102009039285A1 (de) * 2009-08-28 2011-03-24 Technische Universität Bergakademie Freiberg Mittel und Arbeitsverfahren zur Bodenverbesserung
CN111573695A (zh) * 2020-04-09 2020-08-25 浙江省天正设计工程有限公司 一种含磷硫高浓度有机废水资源化处理工艺

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD28902A (xx) *
US3172751A (en) * 1965-03-09 Process for producing nitrogen-phos-
DE34318C (de) * W. S. PlERCE in New-York, 120 Broadway, V. St. A.; Vertreter.- BRYDGES & CO. in Berlin SW., Königgrätzerstr. 101 Neuerungen in der Herstellung von Dungmitteln
US988734A (en) * 1909-09-02 1911-04-04 American Cyanamid Co Process of making primary ammonium phosphate.
DE528013C (de) * 1926-12-23 1931-06-24 Frans Georg Liljenroth Verfahren zur Herstellung eines Duengemittels
US1816051A (en) * 1928-05-21 1931-07-28 Chemical Products Company Method for treating phosphate material
US1936316A (en) * 1929-11-28 1933-11-21 Kunstdunger Patent Verwertungs Method of leaching phosphate rock with nitric acid and ammonium sulphate
US2036494A (en) * 1930-03-26 1936-04-07 Tennessee Corp Process of producing phosphate fertilizer
DE833498C (de) * 1949-10-10 1952-03-10 Rumianca Spa Verfahren und Vorrichtung zur Herstellung von stickstoffhaltigen Phosphatduengemitteln
DE859476C (de) * 1950-01-10 1952-12-15 Guano Werke Ag Verfahren zur Herstellung eines streufaehigen, wasserloesliche Phosphor-saeure enthaltenden Stickstoff-Phosphorsaeure-Duengemittels
US2716591A (en) * 1951-08-16 1955-08-30 Alfred M Thomsen Method of resolving phosphatic complexes
US3552919A (en) * 1968-05-13 1971-01-05 Dorr Oliver Inc Process for the manufacture of phosphoric acid
US3635669A (en) * 1968-12-26 1972-01-18 B D Bohna & Co Inc Method of producing concentrated phosphoric acid compounds from phosphate rock
US3663168A (en) * 1969-07-03 1972-05-16 Bohna & Co B D Method of producing concentrated phosphoric acid
PL124240B1 (en) * 1979-06-27 1983-01-31 Politechnika Wroclawska Method of manufacture of mixed fertilizers

Also Published As

Publication number Publication date
MX161175A (es) 1990-08-13
SU1704625A3 (ru) 1992-01-07
JPH0345037B2 (xx) 1991-07-09
OA07195A (fr) 1984-04-30
BR8105391A (pt) 1983-03-29
BE894132A (fr) 1982-12-16
IT8249015A0 (it) 1982-08-20
IT1149066B (it) 1986-12-03
FR2511664B1 (fr) 1985-10-31
US4523941A (en) 1985-06-18
GB2104499B (en) 1985-05-01
FR2511664A1 (fr) 1983-02-25
GB2104499A (en) 1983-03-09
DE3229890A1 (de) 1983-03-03
JPS5884191A (ja) 1983-05-20
US4469504A (en) 1984-09-04
MA19575A1 (fr) 1983-04-01
DE3229890C2 (xx) 1989-11-09

Similar Documents

Publication Publication Date Title
IL81975A0 (en) Method for the manufacture of slow-release fertilizers
EP0181029A3 (en) Continuous process for the preparation of phosphoric acid and of calcium sulphate
PT65852A (en) Process for the manufacture of phosphoric acid from phosphate rock
JPS54123469A (en) Production of granulated basic phosphatic fertilizer
ZA825548B (en) Process for the partial solubilization of phosphate rock and for the obtention of phosphoric acid and phosphate fertilizers therefrom
GB2136789B (en) Rock phosphate fertilizer composition
JPS57183386A (en) Manufacture of fertilizer
JPS57179090A (en) Manufacture of phosphatic fertilizer
IL57301A (en) Process for the preparation of monocalcium phosphate and phosphoric acid
GB2074994B (en) Process for the defluorination of phosphoric acid
JPS5738387A (en) Manufacture of triple superphosphate
JPS57140387A (en) Manufacture of potassium magnesium phosphate fertilizer
GB2043617B (en) Process for the manufacture of phosphate fertilizers
ZA846382B (en) Process for the preparation of fertilizers by the partial solubilization of phosphate rocks
GB2112763B (en) Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the production thereof
IL78514A0 (en) Process for the production of ammonium phosphates from phosphate rocks
AU568589B2 (en) Method of defluorinating phosphates
PL262950A1 (en) The method of phosphatic fertilizer
JPS56149396A (en) Manufacture of fertilizer containing phosphoric acid or phosphate
YU52478A (en) Process for producing phosphoric acid and/or phosphates from chlorine containing rock phosphates or apatite
IL55281A0 (en) Method for the manufacture of defluorinated phosphatic products
JPS57149887A (en) Manufacture of fertilizer effect promoting agent
IL59494A0 (en) Process for preparing phosphoric acid from phosphate rock and products obtained thereby
GB2032897B (en) Ammoniating phosphoric acid
JPS57188481A (en) Manufacture of solidification-preventive fertilizer