磷石膏资源化研究现状及展望

doi:10.19964/j.issn.1006-4990.2025-0114

Abstract

Abstract:

The long-term storage of phosphogypsum is increasingly harmful to the ecological environment and human health.Its recycling is one of the important ways to alleviate such problem.The physical and chemical properties of phosphogypsum and its impact on environment were summarized.On this basis，the research status of phosphogypsum in the fields of traditional building materials，agriculture，chemical industry，environmental protection，and the resource utilization of high value-added products such as nano whiskers，phosphorus and fluorine chemicals were introduced.The reasons that hindered the large-scale utilization of phosphogypsum lay in its low utilization level，lack of systematicness，and imbalance between economic and environmental benefits.In addition，the influence mechanism of impurities in phosphogypsum was not completely clear，and its separation and purification needed to be further studied.Meanwhile，the large-scale application of such technology still needed to improve products performance and reduce costs.Also，it was necessary to carry out research on low-carbon phosphogypsum recycling technology and process，which was consistent with the goal of carbon neutralization.

Key words: phosphogypsum, resource utilization, whole process, high added value

CLC Number:

TQ126.3

TANG Xiangyang, HE Xinjian, XIE Chenxin, YAN Yan. Research status and prospects of phosphogypsum resource utilization[J]. Inorganic Chemicals Industry, 2025, 57(6): 18-26.

Figures/Tables 7

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领域分类	技术类型	应用方向	优点	缺点	技术成熟度	经济性
传统资源化领域	建筑材料	石膏制品、水泥及水泥缓凝剂、路基材料	技术成熟	需预处理杂质，附加值低，市场接受度低，消纳量有限	高	中等
	化工环保	化学品生产、稀土元素提取、吸附剂	资源价值高，减少原料依赖	工艺复杂，设备投资大，技术门槛高	低~中	高
	土壤改良	改良土壤、促进作物生长	直接利用，成本低	重金属/放射性风险需严格检测	中	低
高值资源化领域	功能性材料	CaSO₄晶须、纳米CaCO₃	高附加值（增强复合材料性能），市场需求潜力大	生产工艺复杂，成本高，技术尚未普及	低~中	高
高值资源化领域	含磷废水有价元素资源化	鸟粪石、磷酸铁、磷酸钴、氟化物	回收磷、氟等有价资源，可耦合废水处理工艺降低综合成本	技术集成复杂，需多环节协同优化；元素分离提纯难度高	中（部分中试）	高

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Research status and prospects of phosphogypsum resource utilization

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