Application of double-tube reactors in the production of diammonium phosphate and triple-composite fertilizers

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Application of double-tube reactors in the production of diammonium phosphate and triple-composite fertilizers 【Author】Wang Jinming 【Date】1997 【Conference Name】Seventh Annual Conference of the Sulfuric Acid and Phosphate Fertilizer Design Technology Center of the Ministry of Chemical Industry 【Proceedings Title】Proceedings of the Seventh Annual Conference of the Sulfuric Acid and Phosphate Fertilizer Design Technology Center of the Ministry of Chemical Industry 【Author’s Contact Information】Arab Fertilizers Company 【Keywords】Reactor； Diammonium phosphate ； Ternary compound fertilizer 【Abstract】 It discusses that two tubular reactors are necessary for producing DAP using the AZF process, while only one tubular reactor is required for producing NPK, and provides a scientific justification for the practicality of this approach from the perspectives of material balance and heat balance. It has certain guiding significance for the future establishment of new compound fertilizer enterprises and the technological upgrades of existing ones.