摘要：

介绍了膜浓缩（MBC）零排放技术在长兴电厂脱硫废水深度处理项目中的应用情况。系统可将22 m³/h含盐水浓缩至1.5～2 m³/h，盐分浓缩至200 g/L左右后进入蒸发结晶系统，最终生成结晶盐，经过浓缩处理后的清洁产水作为电厂锅炉补给水回用。运行结果表明，MBC零排放系统运行良好，有效地保证了电厂的稳定运行，带来良好的社会和经济效益。

关键词: 燃煤电厂, 脱硫废水, 零排放, 膜浓缩

Abstract:

The application of membrane brine concentrator(MBC) zero liquid discharge technology to the advanced treatment project for desulfurization wastewater in Changxing Power Plant is introduced. 22 m³/h of wastewater containing salt is concentrated to 1.5-2 m³/h. After the salinity is concentrated to about 200 g/L,it goes to evaporative crystal system,and finally forms crystal salt. After the concentration treatment,the produced clean water can be reused as boiler make-up water for the power plant. The results show that the MBC zero discharge system runs well,and guarentees stable running of Changxing Power Plant,bringing good social and economic benefits.

Key words: coal-fired power plant, desulfurization wastewater, zero discharge, membrane brine concentrator

中图分类号: 

• TM628