Piggery wastewater treatment using Alcaligenes faecalis strain No. 4 with heterotrophic nitrification and aerobic denitrification

被引：196

作者：

Joo, Hung-Soo ^{[1
]}

Hirai, Mitsuyo ^{[1
]}

Shoda, Makoto ^{[1
]}

机构：

[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

WATER RESEARCH | 2006年 / 40卷 / 16期

关键词：

Alcaligenes faecalis; piggery wastewater; high-strength ammonium; aerobic denitrification; heterotrophic nitrification;

D O I：

10.1016/j.watres.2006.06.021

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Alcaligenes faecalis strain No. 4, which has heterotrophic nitrification and aerobic denitrification abilities, was used to treat actual piggery wastewater containing high-strength ammonium under aerobic conditions. In a continuous experiment using a solids-free wastewater (SFW) mixed with feces, almost all of the 2000 NH4+-N mg/L and 12,000 COD mg/L in the wastewater was removed and the ammonium removal rate was approximately 30 mg-N/L/h, which was 5-10 times higher than the rates achieved by other bacteria with the same abilities. The denitrification ratio was more than 65% of removed NH4+-N, indicating that strain No. 4 exhibited its heterotrophic nitrification and aerobic denitrification abilities in the piggery wastewater. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：3029 / 3036

页数：8

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