| 我国磷石膏利用新途径的分析 |
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| 引用本文： | 王辛龙,张志业,杨秀山,钟本和. 我国磷石膏利用新途径的分析[J]. 现代化工, 2011, 31(5): 1-3,5 |
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| 作者姓名： | 王辛龙 张志业 杨秀山 钟本和 |
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| 作者单位： | 四川大学化工学院,四川成都,610065 |
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| 摘 要： | 在分析我国近年磷石膏利用现状的基础上,提出磷石膏制酸是磷石膏规模化利用的途径。通过对我国磷石膏制酸专利的综述,提出了硫磺还原磷石膏制酸的新途径,最后详细比较了硫磺还原相比焦炭还原制硫酸的技术优势。
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| 关 键 词： | 磷石膏 资源化 循环经济 硫磺还原 新途径 |
Analysis on new approaches for utilization of phosphogypsum in China |
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| WANG Xin-long,ZHANG Zhi-ye,YANG Xiu-shan,ZHONG Ben-he. Analysis on new approaches for utilization of phosphogypsum in China[J]. Modern Chemical Industry, 2011, 31(5): 1-3,5 |
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| Authors: | WANG Xin-long ZHANG Zhi-ye YANG Xiu-shan ZHONG Ben-he |
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| Affiliation: | WANG Xin-long,ZHANG Zhi-ye,YANG Xiu-shan,ZHONG Ben-he(College of Chemical Engineering,Sichuan University,Chengdu 610065,China) |
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| Abstract: | Based on the analysis of the current situation of comprehensive utilization of phosphogypsum(PG) in recent years,sulfuric acid production from PG is considered as the approach for utilizing PG in a large scale.The Chinese patents about the sulfuric acid production from PG are reviewed.The new process of the production of sulfuric acid by reducing PG with sulfur is put forward.The technical advantages of the processes reduced by sulfur and coke are compared in detail.The results suggest that the former proce... |
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| Keywords: | phosphogypsum resource recovery recycling economy sulfur reduction new approaches |
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