湿法磷酸过程氟回收技术研究进展
收稿日期: 2020-02-13
网络出版日期: 2020-08-12
基金资助
上海市科委项目(16040501600);川屹节能科技(上海)有限公司技术改造资助项目
Research progress on fluorine recovery technology in wet process phosphoric acid
Received date: 2020-02-13
Online published: 2020-08-12
王喜恒 , 孙文哲 . 湿法磷酸过程氟回收技术研究进展[J]. 无机盐工业, 2020 , 52(8) : 25 -29 . DOI: 10.11962/1006-4990.2019-0471
As a widely used chemical product,phosphoric acid(H3PO4) is often accompanied by a large amount of fluorine containing substances in its production process.As a high value-added material resource,the recycling of fluorine has been the main research direction of phosphorous chemical industry at present.The research status of fluorine recovery technology in preparation of wet-process phosphoric acid was summarized.The research status of three fluorine recovery technologies,such as gas phase fluorine recovery technology,liquid phase fluorine recovery technology and solid phase fluorine recovery technology,at home and abroad was introduced in detail.The technical principles and advantages-and-disadvantages of these fluorine recovery technologies were analyzed,and the key points of each fluorine recovery technology were summarized in order to promote the development of fluorine recovery technology in the future.
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