DE3171785D1 - Method and apparatus for producing nitrophosphate fertilizers - Google Patents

Method and apparatus for producing nitrophosphate fertilizers

Info

Publication number
DE3171785D1
DE3171785D1 DE8181301881T DE3171785T DE3171785D1 DE 3171785 D1 DE3171785 D1 DE 3171785D1 DE 8181301881 T DE8181301881 T DE 8181301881T DE 3171785 T DE3171785 T DE 3171785T DE 3171785 D1 DE3171785 D1 DE 3171785D1
Authority
DE
Germany
Prior art keywords
acid
mixing chamber
slurry
phosphate compounds
mass
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
DE8181301881T
Other languages
English (en)
Inventor
Schalkwyk Pierre Lafras Van
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.)
Omnia Fertilizer Ltd
Original Assignee
Omnia Fertilizer Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25574682&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3171785(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Omnia Fertilizer Ltd filed Critical Omnia Fertilizer Ltd
Application granted granted Critical
Publication of DE3171785D1 publication Critical patent/DE3171785D1/de
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)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE8181301881T 1980-04-28 1981-04-28 Method and apparatus for producing nitrophosphate fertilizers Expired DE3171785D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA802539 1980-04-28

Publications (1)

Publication Number Publication Date
DE3171785D1 true DE3171785D1 (en) 1985-09-19

Family

ID=25574682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181301881T Expired DE3171785D1 (en) 1980-04-28 1981-04-28 Method and apparatus for producing nitrophosphate fertilizers

Country Status (8)

Country Link
EP (1) EP0039241B1 (de)
JP (1) JPS56169195A (de)
AT (1) ATE14868T1 (de)
AU (1) AU539973B2 (de)
DE (1) DE3171785D1 (de)
NZ (1) NZ196957A (de)
ZM (1) ZM3281A1 (de)
ZW (1) ZW9981A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA93890C2 (ru) * 2005-11-08 2011-03-25 Ами Агролинц Меламин Интернациональ Гмбх Способ изготовления серосодержащего азотного удобрения b трубчатом peaktope
CN102093113B (zh) * 2011-01-19 2013-11-20 天津芦阳化肥股份有限公司 含有三种氮素的速效缓释复合肥料的生产方法
CZ2016577A3 (cs) 2016-09-20 2018-05-16 Hanon Systems Výměník tepla se zvýšenou korozní odolností

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526307A (de) *
GB357473A (en) * 1930-02-21 1931-09-24 Kali Forschungsanstalt Gmbh An improved process for the production of a fertilizer mixture and the product produced thereby
FR925332A (fr) * 1945-04-19 1947-09-01 Prod Chim Du Limbourg Procédé de fabrication rapide d'engrais composés
FR1279405A (fr) * 1960-11-09 1961-12-22 Potasse & Engrais Chimiques Procédé de stabilisation du sulfate de calcium et ses applications
FR1414268A (fr) * 1964-11-10 1965-10-15 Guano Werke Aktien Ges Procédé de fabrication d'engrais polyvalents
FR1448797A (fr) * 1965-03-12 1966-03-18 Potasse & Engrais Chimiques Perfectionnement à la fabrication des engrais complexes
US3431097A (en) * 1965-12-14 1969-03-04 Grace W R & Co Method of preventing reversion in the preparation of ammonium phosphates by the addition of vermiculite
AT343152B (de) * 1976-04-26 1978-05-10 Kemira Oy Verfahren zur herstellung von mehrnahrstoffdungemitteln durch aufschluss von rohphosphat mit salpetersaure gegebenenfalls unter zusatz von phosphorsaure und/oder schwefelsaure wahrend des aufschlusses

Also Published As

Publication number Publication date
ZM3281A1 (en) 1983-05-23
EP0039241A3 (en) 1982-01-20
JPS56169195A (en) 1981-12-25
ATE14868T1 (de) 1985-08-15
NZ196957A (en) 1983-02-15
ZW9981A1 (en) 1981-09-29
AU6993381A (en) 1981-11-05
EP0039241A2 (de) 1981-11-04
EP0039241B1 (de) 1985-08-14
AU539973B2 (en) 1984-10-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings