Effects of hydraulic retention time on net present value and performance in a membrane bioreactor treating antibiotic production wastewater

Dawei Yu; Jianxing Wang; Libin Zheng; Qianwen Sui; Hui Zhong; Meixue Cheng; Yuansong Wei

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Effects of hydraulic retention time on net present value and performance in a membrane bioreactor treating antibiotic production wastewater

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A cost sensitivity analysis was performed for an industrial membrane bioreactor to quantify the effects of hydraulic retention times and related operational parameters on cost.Different hydraulic retention times(72-24 h)were subjected to a flat-sheet membrane bioreactor updated from an existing 72 h oxidation ditch treating antibiotic production wastewater.Field experimental data from the membrane bioreactor,both full-scale(500 m/d)and pilot(1.0 m3/d),were used to calculate the net present value(NPV),incorporating both capital expenditure(CAPEX)and operating expenditure.The results showed that the tank cost was estimated above membrane cost in the 38.2%,where capital expenditure contributed 24.2%more than operational expenditure.Tank construction cost was decisive in determining the net present value contributed 62.1%to the capital expenditure.The membrane bioreactor has the advantage of a longer lifespan flat-sheet membrane,while flux decline was tolerable.The antibiotics decreased to 1.87±0.33 mg/L in the MBR effluent.The upgrade to the membrane bioreactor also benefited further treatments by 10.1%-44.7%lower direct investment.

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《中国环境科学与工程前沿：英文版》 |2020年第6期|P.109-121|共13页
作者
Dawei Yu; Jianxing Wang; Libin Zheng; Qianwen Sui; Hui Zhong; Meixue Cheng; Yuansong Wei;
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作者单位

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaDepartment of Water Pollution Control Technology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;

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原文格式 PDF
正文语种 chi
中图分类一般性问题;
关键词
Antibiotic production wastewater; Net present value; Membrane bioreactor; Hydraulic retention time; Pollutant removal;

机译：抗生素生产废水;净现值;膜生物反应器;液压保留时间;污染物去除;

Effects of hydraulic retention time on net present value and performance in a membrane bioreactor treating antibiotic production wastewater

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