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磷酸二氢钾生产工艺研究进展

作  者:
吴俊虎;杨秀山;许德华;张志业;钟本和
单  位:
四川大学化学工程学院
关键词:
磷酸二氢钾;生产工艺;湿法磷酸;中和法
摘  要:
阐述磷酸二氢钾的主要生产方法,包括中和法、萃取法、离子交换法、复分解法、直接法、电解法、结晶法以及其他方法,介绍其工艺流程,并分析各种方法的优缺点,指出以湿法磷酸为原料采用中和法生产磷酸二氢钾,既具有工艺简单、成本低、投资小等优势,又实现了物料综合利用,在磷酸二氢钾市场竞争中优势明显。
译  名:
Research progress on production technology of potassium dihydrogen phosphate
作  者:
WU Junhu;YANG Xiushan;XU Dehua;ZHANG Zhiye;ZHONG Benhe;School of Chemical Engineering, Sichuan University;
关键词:
potassium dihydrogen phosphate;;production process;;wet-process phosphoric acid;;neutralizationmethod
摘  要:
The production methods of potassium dihydrogen phosphate are expounded, mainly including neutralization method, extraction method, ion exchange method, double decomposition method, direct method,electrolysis method, crystallization method and other methods, the process flow is introduced, and the advantages and disadvantages of various methods are analyzed. It is considered that the neutralization method to produce potassium dihydrogen phosphate with wet-process phosphoric acid as raw material has the advantages of simple process, low production cost, small equipment investment, and realizes the comprehensive utilization of materials, it has obvious advantages in the market competition.

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