MA27488A1 - PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION - Google Patents

PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION

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Publication number
MA27488A1
MA27488A1 MA28264A MA28264A MA27488A1 MA 27488 A1 MA27488 A1 MA 27488A1 MA 28264 A MA28264 A MA 28264A MA 28264 A MA28264 A MA 28264A MA 27488 A1 MA27488 A1 MA 27488A1
Authority
MA
Morocco
Prior art keywords
production
melt
nitrate
containing products
products
Prior art date
Application number
MA28264A
Other languages
French (fr)
Inventor
Jan Birger Isaksen
Lars Moland
Torstein Obrestad
Original Assignee
Yara Int Asa
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 Yara Int Asa filed Critical Yara Int Asa
Priority to MA28264A priority Critical patent/MA27488A1/en
Publication of MA27488A1 publication Critical patent/MA27488A1/en

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  • Fertilizers (AREA)

Abstract

Procédé de production de produits contenant du nitrate (engrais, produits techniques) à partir de masses fondues en surfusion, selon lequel une solution d'eau et de XN est évaporée jusqu'à ce que la teneur en XN soit de 50 à 99,8 % en poids, X représentant un ou plusieurs produits choisis parmi Ca, Mg, NH4, Na et K, et N représentant nitrate. La plage préférée de teneur en XN est de 70 à 99,5 % en poids. La masse fondue est refroidie et maintenue à une température égale ou inférieure au point de cristallisation et de la poudre de XN solide à fines particules constituée des phases d'équilibre est ajoutée à la masse fondue. Des gouttes de masse fondue sont ensuite formées, puis amenées à refroidir et à se solidifier pendant un laps de temps allant jusqu'à 70 secondes. Il est préférable d'utiliser une bande de refroidissement pour la solidification des particules. Ladite bande est refroidie par air, par eau ou par un autre milieuProcess for the production of nitrate-containing products (fertilizers, technical products) from supercooled melts, according to which a solution of water and XN is evaporated until the XN content is from 50 to 99.8 % by weight, X representing one or more products chosen from Ca, Mg, NH4, Na and K, and N representing nitrate. The preferred range of XN content is 70 to 99.5% by weight. The melt is cooled and maintained at a temperature at or below the crystallization point and solid fine particle XN powder consisting of the equilibrium phases is added to the melt. Melt drops are then formed, then allowed to cool and solidify for up to 70 seconds. It is best to use a cooling strip for solidification of the particles. Said strip is cooled by air, water or other medium

MA28264A 2005-05-06 2005-05-06 PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION MA27488A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MA28264A MA27488A1 (en) 2005-05-06 2005-05-06 PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA28264A MA27488A1 (en) 2005-05-06 2005-05-06 PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION

Publications (1)

Publication Number Publication Date
MA27488A1 true MA27488A1 (en) 2005-08-01

Family

ID=36314660

Family Applications (1)

Application Number Title Priority Date Filing Date
MA28264A MA27488A1 (en) 2005-05-06 2005-05-06 PROCESS FOR THE PRODUCTION OF NITRATE CONTAINING PRODUCTS FROM MOLDS IN SURFUSION

Country Status (1)

Country Link
MA (1) MA27488A1 (en)

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