FR2097025A1 - Complex mineral fertilisers prepn - using reduced contact time of potassium chloride with phosphate nitrate pulp - Google Patents
Complex mineral fertilisers prepn - using reduced contact time of potassium chloride with phosphate nitrate pulpInfo
- Publication number
- FR2097025A1 FR2097025A1 FR7027857A FR7027857A FR2097025A1 FR 2097025 A1 FR2097025 A1 FR 2097025A1 FR 7027857 A FR7027857 A FR 7027857A FR 7027857 A FR7027857 A FR 7027857A FR 2097025 A1 FR2097025 A1 FR 2097025A1
- Authority
- FR
- France
- Prior art keywords
- pulp
- contact time
- phosphate
- prepn
- complex mineral
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Complex mineral fertilisers are prepd. by treating phosphoric acid with gaseous NH3 to give a phosphate pulp, treating this with NH4NO3 or (NH4)2SO4 to give a phosphate-nitrate pulp into which KCl is introduced and the pulp dried in a sieve dryer or pulverisation dryer, the contact time of the KCl with the phosphate nitrate pulp being 1-90 secs. The short contact time eradicates the risk of formation of KNO3 and thickening of the pulp while introducing KCl, and by consequence improves the physico-mechanic and physico-chemical properties of the product and equilibrates their content of nutrient elements.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7027857A FR2097025A1 (en) | 1970-07-28 | 1970-07-28 | Complex mineral fertilisers prepn - using reduced contact time of potassium chloride with phosphate nitrate pulp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7027857A FR2097025A1 (en) | 1970-07-28 | 1970-07-28 | Complex mineral fertilisers prepn - using reduced contact time of potassium chloride with phosphate nitrate pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2097025A1 true FR2097025A1 (en) | 1972-03-03 |
Family
ID=9059385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7027857A Withdrawn FR2097025A1 (en) | 1970-07-28 | 1970-07-28 | Complex mineral fertilisers prepn - using reduced contact time of potassium chloride with phosphate nitrate pulp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2097025A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323692B1 (en) * | 1998-07-02 | 2014-08-13 | S.I.P.C.A.M. Società Italiana Prodotti Chimici e Per L' Agricoltura Milano S.p.A | Microgranular fertiliser composition for sowing and transplanting |
-
1970
- 1970-07-28 FR FR7027857A patent/FR2097025A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323692B1 (en) * | 1998-07-02 | 2014-08-13 | S.I.P.C.A.M. Società Italiana Prodotti Chimici e Per L' Agricoltura Milano S.p.A | Microgranular fertiliser composition for sowing and transplanting |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |