摘要
采用厌氧序批式活性污泥法处理食品加工废水。试验结果表明:启动阶段,通过投加GAC,尽快提高有机负荷以及缩短水力停留时间等措施,可以使系统既快又稳的启动,本次试验启动用时118d;启动成功后,COD负荷率为7.83kg/m3·d,COD去除率89.7%,容积产气率3.9m3/m3·d左右,其中甲烷含量70%,反应器中污泥浓度16359mg/L,污泥龄18d,污泥全部颗粒化为粒径在1～3mm的颗粒污泥,表明是高效运行的厌氧反应器。
Food-processing wastewater is a common industial wastewater, which is highly concentrated but with a comparatively low volume. In this paper, the bean-processing wastewater treatment using the anaerobic sequencing batch rcactor（ASBR） is studied. The results showed that： the ASBR system was started rapidly and steadily by means of putting GAC into the reactor and increasing the OLR,decreasing the HRT as soon as possible in the stage of start-up. The time of the start-up of this experiment is 118 days; After the success of the start-up, the OLR achieved 8kg/m^3·d, the volumetric firedamp production rate was 3.9 m^3/m^3·d, the content of the methane was 70%, the concentration of MLVSS was 16359mg/L in the reactor, the age of sludge achieved 18 days, the sludge in the reactor granulated completely, the diameter of the granulated sludge was 1-3mm. This showed that the ASBR was high-performance anaerobic system.
出处
《水处理技术》
CAS
CSCD
北大核心
2005年第9期56-60,共5页
Technology of Water Treatment
关键词
ASBR系统
豆制品废水
启动
ASBR system
bean-processing wastewater
starting-up
