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Position: Home > Articles > Production process of industrial grade MAP with WPA by two-step method Phosphate & Compound Fertilizer 2014,29 (4) 41-43+58

湿法磷酸两步法生产工业级磷酸一铵工艺

作  者:
徐魁;项双龙;廖吉星
单  位:
贵阳中化开磷化肥有限公司
关键词:
工业级磷酸一铵;湿法磷酸;两步法生产工艺
摘  要:
以湿法磷酸为原料,采用定向净化除杂技术,依次经脱硫酸反应、一次中和反应、二次中和反应、浓缩、结晶及干燥等工序两步法生产工业级磷酸一铵,产品纯度达98.37%,副产物滤渣可用于磷酸二铵生产。30kt/a工业级磷酸一铵可实现年销售收入1.5亿元,年利润达2 066.3万元,经济效益显著。
译  名:
Production process of industrial grade MAP with WPA by two-step method
作  者:
XU Kui;XIANG Shuang-long;LIAO Ji-xing;Guiyang Sinochem-Kailin Fertilizer Co.,Ltd;
关键词:
industrial grade monoammonium phosphate(IMAP);;wet-process phosphoric acid(WPA);;two-step method
摘  要:
With the WPA as raw material,industrial grade MAP is produced by directional purificationtechnology through desulfurization reaction,first neutralization reaction,second neutralization reaction,concentration,crystallization and drying process.The product purity of 98.37%,the main filter residue of is usedto produce DAP.The economic benefit is remarkable with sales revenues of 150 million RMB Yuan,profit of20.663 million RMB Yuan for the plant with 30 kt/a industrial grade MAP capacity.

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