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

被引：38
作者：
Kong, Zhe [1 ,2 ]
Feng, Chuanping [1 ,2 ]
Chen, Nan [2 ]
Tong, Shuang [1 ,2 ]
Zhang, Baogang [2 ]
Hao, Chunbo [2 ]
Chen, Kun [2 ]
机构：
[1] China Univ Geosci Beijing, Key Lab Groundwater Circulat & Evolut, Minist Educ, Beijing 100083, Peoples R China
[2] China Univ Geosci Beijing, Sch Water Resources & Environm, Beijing 100083, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 159卷
基金：
中国国家自然科学基金;
关键词：
Soil infiltration; Wastewater; Sulfur; Autotrophic denitrification; FLOW CONSTRUCTED WETLAND; NITROGEN REMOVAL; ALKALINITY REQUIREMENT; TREATING AMMONIUM; LAYERING SYSTEM; PH CONTROL; PERFORMANCE; AERATION; NITRIFICATION; WASTEWATERS;
D O I：
10.1016/j.biortech.2014.02.079
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
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. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：272 / 279
页数：8
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