液态危废及含盐水处理技术研究新进展

液态危险废弃物及含盐水的处理一直是环境保护与发展有待解决的问题之一。评述了液态危险废弃物及含盐水不同处理技术的特点,分析了膜分离技术和热浓缩技术的具体应用,对比了反渗透、正渗透、电渗析工艺优缺点,对比了多级闪蒸、多效蒸发、MVR、低温蒸馏工艺的适应性,对液态危废及含盐水处理技术发展方向、技术拓展与应用进行了总结。

The treatment of liquid hazardous waste and brine wastewater has always been one of the problems to be solved in environmental protection and development.The characteristics of different treatment technologies for liquid hazardous waste and salt-contained wastewater are reviewed,and the specific applications of membrane separation technology and thermal concentration technology are analyzed.Among them,the advantages and disadvantages of reverse osmosis,forward osmosis and electrodialysis processes are compared,and the adaptability of multiple stage flashing,multiple effect distillation,mechanical vapor recompression and low-temperature distillation processes are compared.Finally,the development direction,technical development and application are summarized.