| 以湿法工业级磷酸生产电子级磷酸的脱砷技术 |
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| 引用本文： | 孟文祥,吴 松,陶 志. 以湿法工业级磷酸生产电子级磷酸的脱砷技术[J]. 磷肥与复肥, 2014, 29(1): 47-48 |
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| 作者姓名： | 孟文祥 吴 松 陶 志 |
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| 作者单位： | 瓮福（集团）有限责任公司，贵州 福泉 550501 |
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| 摘 要： | 介绍电子级磷酸的生产方法,以及在原料(工业级磷酸)处理阶段的脱砷原理和工艺流程。湿法工业级磷酸经脱砷及后续的结晶、重结晶处理后,w(As)由75×10-9降至10×10-9,产品质量达到SEMI—C7标准。
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| 关 键 词： | 工业级磷酸 电子级磷酸 脱砷技术 |
| 修稿时间： | 2014-01-15 |
Technology of arsenic removal from industrial grade WPA to produce electronic grade phosphoric acid |
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| MENG Wen-xiang,WU Song,TAO Zhi. Technology of arsenic removal from industrial grade WPA to produce electronic grade phosphoric acid[J]. Phosphate & Compound Fertilizer, 2014, 29(1): 47-48 |
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| Authors: | MENG Wen-xiang WU Song TAO Zhi |
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| Affiliation: | (Wengfu (Group) Co., Ltd, Fuquan, Guizhou 550501, China) |
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| Abstract: | The production technology of electronic grade phosphoric acid, as well as principle and process of arsenic removal in raw material （industrial grade WPA） treatment are introduced. After the arsenic removal as well as with crystallization, recrystallization, the w （As） in phosphoric acid is decreased from 75×10^-9 to less than 10×10^-9, which can reach SEMI-C7 standard. |
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| Keywords: | industrial grade phosphoric acid electronic grade phosphoric acid technology of arsenic removal |
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