信翔宇¹， 陈广立¹， 张秀芝¹， 丰曙霞¹， 黄永波¹， 王旭江²， 段广彬¹

（1. 济南大学 材料科学与工程学院， 山东 济南 250022；2. 山东大学 能源与动力工程学院， 山东 济南 250012）

DOI:10.13732/j.issn.1008-5548.2023.01.002

收稿日期：2022-05-31，修回日期：2022-11-06，在线出版时间：2022-12-02 10:26。

基金项目：国家重点研发计划项目，编号：2020YFC1910000。

第一作者简介：信翔宇(1999—)，男，硕士研究生，研究方向为固体废弃物综合利用。E-mail： mse_xinxy@163.com。

通信作者简介：段广彬(1983—)，男，教授，博士，硕士生导师，研究方向为固体废弃物综合利用。E-mail： mse_duangb@ujn.edu.cn。

摘要：综述不同类型石膏的化学组成；概述废弃石膏、磷石膏、脱硫石膏、氟石膏、钛石膏等不同石膏的再生方法和应用领域，废弃石膏水化成再生石膏后可实现石膏资源的循环使用，磷石膏再生后可用作建筑石膏、水泥缓凝剂以及化肥等，脱硫石膏在一定条件下可以转化为高强石膏或建筑石膏，氟石膏、钛石膏等目前仅能应用于初级加工；总结石膏固废行业的发展现状与趋势，磷石膏和脱硫石膏的综合利用率虽然得到逐年提升，但是现阶段的高级石膏产品较少，因为钛石膏、氟石膏等产量较小，需要进一步提高综合利用率；提出由于不同地区的石膏固废种类不一致，应根据地区选择适合的固废处理与利用方式，出台相关政策，借鉴国外先进的固废处理技术；认为固废处理要综合考虑经济性、环保性以及利用率等问题，将是未来石膏固废再生利用行业的发展趋势。

关键词：固体废弃物；石膏；磷石膏；脱硫石膏；再生石膏；再生利用

Abstract：The chemical composition of different types of gypsum was reviewed. The regeneration methods and application fields of gypsum such as waste gypsum, phosphogypsum, desulfurized gypsum, fluorine gypsum and titanium gypsum were summarized. After the waste gypsum is hydrated into recycled gypsum, the recycling of gypsum resources can be realized. After the regeneration of phosphogypsum, it can be used as building gypsum, cement retarder and chemical fertilizer, etc. Desulfurized gypsum can be converted into high strength gypsum or building gypsum under certain conditions, and fluoropgypsum and titanium gypsum can only be used in primary processing. The development status and trend of gypsum solid waste industry were summarized. Although the comprehensive utilization rate of phosphogypsum and desulfurized gypsum has been increased year by year, there are few advanced gypsum products at the present stage. Because the output of titanium gypsum and fluoropgypsum is small, the comprehensive utilization rate needs to be further improved. Due to the different types of gypsum solid waste in different regions, it is suggested to choose the appropriate treatment and utilization method of solid waste according to the region, introduce relevant policies and learn from the advanced solid waste treatment technology abroad. It is believed that the problems of economy, environmental protection and utilization rate should be considered comprehensively in solid waste treatment, which will be the development trend of gypsum solid waste regeneration industry in the future.

Keywords：solid waste; gypsum; phosphogypsum; desulfurized gypsum; recycled gypsum; regeneration

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