MA20238A1 - Procede de preparation d'engrais par solubilisation partielle de roches phosphatees - Google Patents

Procede de preparation d'engrais par solubilisation partielle de roches phosphatees

Info

Publication number: MA20238A1
Authority: MA; Morocco
Prior art keywords: fertilizers; preparation; partial solubilization; phosphate rocks; rocks
Prior art date: 1984-01-26

Application number

MA20462A

Other languages

English (en)

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.)

1984-01-26

Filing date

1984-09-28

Publication date

1985-04-01

1984-09-28 Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa

1985-04-01 Publication of MA20238A1 publication Critical patent/MA20238A1/fr

Links

239000003337 fertilizer Substances 0.000 title 1
238000000034 method Methods 0.000 title 1
239000002367 phosphate rock Substances 0.000 title 1
238000002360 preparation method Methods 0.000 title 1
230000007928 solubilization Effects 0.000 title 1
238000005063 solubilization Methods 0.000 title 1

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

Landscapes

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

MA20462A 1984-01-26 1984-09-28 Procede de preparation d'engrais par solubilisation partielle de roches phosphatees MA20238A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR8400318A BR8400318A (pt)	1984-01-26	1984-01-26	Processo de preparacao de fertilizante por solubilizacao parcial de rochas fosfaticas

Publications (1)

Publication Number	Publication Date
MA20238A1 true MA20238A1 (fr)	1985-04-01

Family

ID=4035015

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MA20462A MA20238A1 (fr)	1984-01-26	1984-09-28	Procede de preparation d'engrais par solubilisation partielle de roches phosphatees

Country Status (9)

Country	Link
US (1)	US4568374A (fr)
BE (1)	BE900442A (fr)
BR (1)	BR8400318A (fr)
DE (1)	DE3429885C2 (fr)
FR (1)	FR2558823B1 (fr)
JO (1)	JO1353B1 (fr)
MA (1)	MA20238A1 (fr)
MX (1)	MX158297A (fr)
ZA (1)	ZA846382B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5211735A (en) *	1987-04-24	1993-05-18	Petroleo Brasileiro S. A.	Process for preparing phosphated or nitrophosphated fertilizers through solubilization of phosphate rock
RU2220122C2 (ru) *	2001-01-10	2003-12-27	Общество с ограниченной ответственностью "Синтал"	Способ получения сложного гранулированного фосфорного удобрения с микроэлементами (бишофос)
US20200239324A1 (en) *	2019-01-28	2020-07-30	ITI Technolgies, Inc.	Solubility Enhancing Composition

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3172751A (en) *		1965-03-09		Process for producing nitrogen-phos-
BE511596A (fr) *
GB191129A (en) *	1921-10-01	1923-01-01	Luis Adelantado	Improvements relating to the manufacture of superphosphates and manure
FR638049A (fr) *	1926-07-23	1928-05-14	Cie De L Azote Et Des Fertilis	Procédé de préparation d'engrais à base de phosphate de calcium et d'ammonium
US1871195A (en) *	1929-09-19	1932-08-09	Oberphos Company	Production of phosphatic fertilizer
US2036494A (en) *	1930-03-26	1936-04-07	Tennessee Corp	Process of producing phosphate fertilizer
US2038788A (en) *	1930-06-27	1936-04-28	Barrett Co	Process for the production of fertilizer material
GB544274A (en) *	1940-09-21	1942-04-03	John Tyndale Procter	Improvements in or relating to the manufacture of granular superphosphate
GB761249A (en) *	1953-10-20	1956-11-14	Soc D Coordination Ind Et Fina	Improved process for the preparation of superphosphates and compound fertilisers
GB810208A (en) *	1955-08-10	1959-03-11	Fisons Ltd	Fertilizers
FR89543E (fr) *	1964-07-02	1967-07-07	Duengemittel Technik A G
PL124240B1 (en) *	1979-06-27	1983-01-31	Politechnika Wroclawska	Method of manufacture of mixed fertilizers
BR8105391A (pt) *	1981-08-24	1983-03-29	Petroleo Brasileiro Sa	Processo de solubilizacao parcial de rochas fosfaticas e posterior obtencao de acido forforico e fertilizantes fosforados

1984
- 1984-01-26 BR BR8400318A patent/BR8400318A/pt not_active IP Right Cessation
- 1984-08-10 US US06/639,645 patent/US4568374A/en not_active Expired - Fee Related
- 1984-08-14 DE DE3429885A patent/DE3429885C2/de not_active Expired
- 1984-08-16 ZA ZA846382A patent/ZA846382B/xx unknown
- 1984-08-27 MX MX202520A patent/MX158297A/es unknown
- 1984-08-28 BE BE0/213547A patent/BE900442A/fr not_active IP Right Cessation
- 1984-09-25 FR FR8414719A patent/FR2558823B1/fr not_active Expired - Lifetime
- 1984-09-28 MA MA20462A patent/MA20238A1/fr unknown
- 1984-11-26 JO JO19841353A patent/JO1353B1/en active

Also Published As

Publication number	Publication date
BE900442A (fr)	1984-12-17
DE3429885A1 (de)	1985-08-08
ZA846382B (en)	1985-03-27
US4568374A (en)	1986-02-04
MX158297A (es)	1989-01-20
BR8400318A (pt)	1985-09-03
DE3429885C2 (de)	1987-02-26
JO1353B1 (en)	1986-11-30
FR2558823A1 (fr)	1985-08-02
FR2558823B1 (fr)	1990-06-15

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