废盐资源化利用工程研究

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摘要：江苏省某化工企业对生产线高浓度印染废水进行深度处理，在焚烧减量化基础上，将膜分离浓缩工艺与冷冻结晶、蒸发结晶耦合，对焚烧产生的固体废弃物进行资源化利用。该项目已顺利进入生产阶段，装置运行稳定，运行结果表明，产品品质达到再利用要求，符合预期效果。

关键词：废盐；资源化利用；膜分离浓缩；冷冻结晶；蒸发结晶

中图分类号：X70 文献标识码：A 文章编号：1008-9500（2023）02-00-03

DOI：10.3969/j.issn.1008-9500.2023.02.021

Study on Waste Salt Resource Utilization Engineering

SUN Guihua1， GU Yulin2， YAO Dapeng2， DONG Xin2

（1. Jiangsu Jiuwu Hi-Tech Co.， Ltd.， Nanjing 211808， China; 2. Nantong Netda Water Co.， Ltd.， Nantong 226009， China）

Abstract： A chemical enterprise in Jiangsu Province carries out advanced treatment of high-concentration printing and dyeing wastewater from the production line， on the basis of incineration reduction， the membrane separation and concentration process is coupled with freezing crystallization and evaporative crystallization to recycle the solid waste generated by incineration. The project has successfully entered the production stage， and the operation of the device is stable， the operation results show that the product quality meets the reuse requirements and meets the expected effect.

Keywords： waste salt; resource utilization; membrane separation and concentration; freezing crystallization; evaporative crystallization

近年来，随着工业快速发展，我国工业废盐产生量不断增加，其处置受到公众的广泛关注。（剩余3481字）