Pilot-plant research on urea plant wastewater treatment by biological fluidized bed with immobilized microorganisms
Author(s): Wan Qiong, Ye Zheng-fang, Wei Dong-yang, Zhou Xu-hui
Pages: 44-47
Year: 2006 Issue: 8
Journal: WATER & WASTEWATER ENGINEERING
Keyword: 固定化微生物; 生物流化床; 氨氢废水;
Abstract: 采用O/A/O/A(好氧/缺氧/好氧/缺氧)工艺的固定化生物流化床处理技术,对尿素厂的氨氮废水(NH3-N 50～500mg/L)进行了现场中试试验研究.试验结果表明:该技术处理尿素厂废水效率高,效果好,费用低;当水力停留时间平均为21 h时,出水TN平均浓度为26.63 mg/L,去除率为90%,出水NH3-N平均浓度为6.51 mg/L,去除率可达96%.
Pages: 44-47
Year: 2006 Issue: 8
Journal: WATER & WASTEWATER ENGINEERING
Keyword: 固定化微生物; 生物流化床; 氨氢废水;
Abstract: 采用O/A/O/A(好氧/缺氧/好氧/缺氧)工艺的固定化生物流化床处理技术,对尿素厂的氨氮废水(NH3-N 50～500mg/L)进行了现场中试试验研究.试验结果表明:该技术处理尿素厂废水效率高,效果好,费用低;当水力停留时间平均为21 h时,出水TN平均浓度为26.63 mg/L,去除率为90%,出水NH3-N平均浓度为6.51 mg/L,去除率可达96%.
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