The development road of ammonium phosphate fertilizer in China

doi:10.1016/j.cjche.2021.08.015

Abstract

Abstract: Ammonium phosphate fertilizer is the compounds containing nitrogen and phosphorus that are usually produced through the neutralization reaction of phosphoric acid and ammonia. At present, there are a variety of products, such as slurry monoammonium phosphate (MAP), diammonium phosphate (DAP), industrial grade MAP, water soluble MAP, water soluble ammonium polyphosphate (APP) and so on. After more than 60 years of development, China’s ammonium phosphate fertilizer industry has experienced the road of from scratch and from weak to strong. The successful development of the slurry MAP technology ended the history that the high concentration phosphate fertilizer cannot be produced by using the medium and low grade phosphate ore. The continuous, stable and large-scale production of DAP plant provides sufficient guarantee for DAP products in China. The development of new ammonium phosphate fertilizer products, such as industrial grade MAP, water soluble MAP, water soluble APP, provides technical support for the transformation and upgrading of phosphorus chemical enterprises. In this paper, the production methods, the development history and the latest research progress of ammonium phosphate fertilizers were reviewed.

Key words: Slurry monoammonium phosphate (MAP), Diammonium phosphate (DAP), Industrial grade MAP, Water soluble MAP, Water soluble ammonium polyphosphate(APP)

摘要： Ammonium phosphate fertilizer is the compounds containing nitrogen and phosphorus that are usually produced through the neutralization reaction of phosphoric acid and ammonia. At present, there are a variety of products, such as slurry monoammonium phosphate (MAP), diammonium phosphate (DAP), industrial grade MAP, water soluble MAP, water soluble ammonium polyphosphate (APP) and so on. After more than 60 years of development, China’s ammonium phosphate fertilizer industry has experienced the road of from scratch and from weak to strong. The successful development of the slurry MAP technology ended the history that the high concentration phosphate fertilizer cannot be produced by using the medium and low grade phosphate ore. The continuous, stable and large-scale production of DAP plant provides sufficient guarantee for DAP products in China. The development of new ammonium phosphate fertilizer products, such as industrial grade MAP, water soluble MAP, water soluble APP, provides technical support for the transformation and upgrading of phosphorus chemical enterprises. In this paper, the production methods, the development history and the latest research progress of ammonium phosphate fertilizers were reviewed.

关键词: Slurry monoammonium phosphate (MAP), Diammonium phosphate (DAP), Industrial grade MAP, Water soluble MAP, Water soluble ammonium polyphosphate(APP)

Dehua Xu, Benhe Zhong, Xinlong Wang, Xue Li, Yanjun Zhong, Zhengjuan Yan, Jingxu Yang, Xiaobin Li, Yumei Wang, Xiaohou Zhou. The development road of ammonium phosphate fertilizer in China[J]. Chinese Journal of Chemical Engineering, 2022, 41(1): 170-175.

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