SBR反应器启动过程中污泥吸附作用的初步分析

Preliminary analysis of sludge adsorption character by starting up the SBR reactor

通过启动处理印染废水的SBR反应器,研究了人工配制印染废水中4BS和CODCr的去除情况。研究表明:对4BS的去除主要是以污泥吸附为主,部分来自厌氧降解,累积了较高4BS的活性污泥,对其去除4BS和CODCr影响不大,因此可以认为污泥吸附作用产生一定的缓冲能力,减缓了4BS对活性污泥微生物的不利影响。

Through starting up the SBR reactor to treat printing and dyestuff wastewater, the 4BS and CODCr removing situations have been studied. The result shows that the 4BS removal is mainly due to the sludge adsorption, and partly due to the anaerobic degradation. The active sludge with highly accumulated 4BS has little effect on 4BS and CODCr removals. It is suggested that the sludge adsorption capacity is regarded as having buffering ability to slow down the disadvantageous effect of 4BS on the active sludge microbes.