Abstract:

Throughcombiningthemeritsofresinadsorptionandbio-intensifyingprocesses,the nitrobenzene wastewater containing high salinity has been treated.The optimum situations are:(1)removing nitrobenzene from wastewater by the selective adsorption of resin at the flux density of 10 BV/h,the treated volume is 320 BV;(2)the adsorbed nitrobenzene is biodegraded by bio-intensifying.After 160 h degradation of specific fungus,the nitrobenzene adsorbed in resin is thoroughly metabolized and the adsorption capacity of resin is recovered;(3)after a two-month continual experiment,the result shows that the adsoption capcity of resin decreases firstly and then remains stable.

Key words: adsorptiono fresin, bio-intensifying, highsalinity , nitrobenzene, wastewater

摘要：

采用树脂吸附与生物强化技术相结合的方法，对高盐废硝基苯废水进行降解处理。试验确定的最佳工艺条件：(1)通过树脂的选择性吸附去除废水中的硝基苯，流速在10BV/h，处理水量320BV；(2)采用生物强化的方法对树脂所吸附的硝基苯进行生物降解，经过160h专效菌种的降解，树脂所吸附的硝基苯被彻底降解，同时树脂的吸附能力得到恢复；(3)经过两个月的连续试验，发现树脂的吸附能力在起始阶段有所下降，随后保持稳定。

关键词: 树脂吸附, 生物强化, 高盐度, 硝基苯, 废水

CLC Number: 

• X703.1