A soil infiltration system incorporated with sulfur-utilizing autotrophic denitrification (SISSAD) for domestic wastewater treatment

作者：Kong Zhe; Feng Chuanping^*; Chen Nan; Tong Shuang; Zhang Baogang; Hao Chunbo; Chen Kun

来源：Bioresource Technology, 2014, 159: 272-279.

DOI：10.1016/j.biortech.2014.02.079

• Soil infiltration
• Wastewater
• Sulfur
• Autotrophic denitrification

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.

• 出版日期2014-5
• 单位中国地质大学（北京）