Pilot Tests on the Treatment of Bath Wastewater by a Membrane Bioreactor

被引：6
|
作者：
Shi, Yan [1 ]
Zhong, Songtao [1 ]
Li, Zhaohui [2 ]
机构：
[1] North China Univ Water Resources & Elect Power, Sch Environm & Municipal Engn, Zhengzhou 450045, Peoples R China
[2] Univ Wisconsin Parkside, Dept Geosci, 900 Wood Rd, Kenosha, WI 53144 USA
来源：
MEMBRANES | 2021年 / 11卷 / 02期
关键词：
MBR; concentrating water areas; bath wastewater; wastewater recycling;
D O I：
10.3390/membranes11020085
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In order to save water and reduce the cost of water in public areas, we studied the feasibility of recycling bath wastewater by a membrane bioreactor (MBR) at a college campus scale. The results showed that the treatment of bath wastewater by the MBR could achieve a chemical oxygen demand (COD) <50 mg/L with an average removal rate of 83%, a final NH3-N concentration of <10 mg/L with an average removal rate of 72%, and a turbidity of <0.5 ntu, with an average value of chromaticity of 26.4 tu. The treated water could meet or exceed the urban miscellaneous water standard of China (GB/T 18920-2002), and the processing cost is 1.70 CNY/m(3) or 0.25 USD/m(3), which is below the price of tap water. The results demonstrated both the economic benefit and the conservation of natural resources.
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页码：1 / 11
页数：11
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