反硝化
废水
自养
渗透(HVAC)
环境化学
硫黄
硝化作用
化学
污水处理
好氧反硝化
环境科学
环境工程
制浆造纸工业
氮气
生物
反硝化细菌
细菌
工程类
材料科学
复合材料
有机化学
遗传学
作者
Zhe Kong,Chuanping Feng,Nan Chen,Shuang Tong,Baogang Zhang,Chunbo Hao,Kun Chen
标识
DOI:10.1016/j.biortech.2014.02.079
摘要
To enhance the denitrification performance of soil infiltration, a soil infiltration system incorporated with sulfur-utilizing autotrophic denitrification (SISSAD) for domestic wastewater treatment was developed, and the SISSAD performance was evaluated using synthetic domestic wastewater in this study. The aerobic respiration and nitrification were mainly taken place in the upper aerobic stage (AES), removed 88.44% COD and 89.99% NH4+-N. Moreover, autotrophic denitrification occurred in the bottom anaerobic stage (ANS), using the CO2 produced from AES as inorganic carbon source. Results demonstrated that the SISSAD showed a remarkable performance on COD removal efficiency of 95.09%, 84.86% for NO3--N, 95.25% for NH4+-N and 93.15% for TP. This research revealed the developed system exhibits a promising application prospect for domestic wastewater in the future.
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