| 二水法磷酸生产中滤饼板结的原因及对策 |
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| 引用本文： | 段付岗. 二水法磷酸生产中滤饼板结的原因及对策[J]. 磷肥与复肥, 2000, 15(2): 31-33 |
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| 作者姓名： | 段付岗 |
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| 作者单位： | 华山化工集团复合肥公司,陕西,华县,714100 |
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| 摘 要： | 二水法磷酸生产中,萃取磷酸料浆中所含大量细小的、不稳定的半水石膏结晶在过滤洗涤时发生水合作用,它是导致滤饼板结的主要原因,并提出相应的防范措施.
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| 关 键 词： | 二水法 磷酸 半水物 滤饼 板结 |
| 文章编号： | 1007-6220(2000)02-0031-03 |
| 修稿时间： | 1999-05-07 |
The cause of filter cake hardening in DH process of PA and its countermeasure |
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| DUAN Fugang. The cause of filter cake hardening in DH process of PA and its countermeasure[J]. Phosphate & Compound Fertilizer, 2000, 15(2): 31-33 |
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| Authors: | DUAN Fugang |
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| Abstract: | By analysis of dihydrate WPA process, it is considered that the numerously tiny and unsteady hemihydrate gypsum crystals will hydrate in the filtering and washing course, and thus results in hardening filter cake. Its countermeasure is also proposed. |
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| Keywords: | dihydrate process phosphoric acid hemihydrate filter cake hardening |
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