Journal
BIORESOURCE TECHNOLOGY
Volume 319, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2020.124160
Keywords
Anaerobic membrane bioreactor; Swine wastewater; Sulfonamide antibiotics; Biochar; Membrane fouling
Funding
- University of Technology Sydney, Australia (UTS, RIA NGO)
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry AMP
- Energy (MOTIE), Republic of Korea [20183020141270, 20194110300040]
- China Scholarship Council (CSC)
- UTS PhD scholarship
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The addition of 0.5 g/L biochar significantly increased the removal rate of sulfonamide antibiotics in AnMBR while reducing the concentration of COD. SMs inhibited COD removal and methane production, but the addition of biochar helped reduce membrane fouling.
Sulfonamide antibiotics (SMs), as a class of antibiotics commonly used in swine industries, pose a serious threat to animal and human health. This study aims to evaluate the performance of an anaerobic membrane bioreactor (AnMBR) with and without supplying a new pomelo peel derived biochar to treat swine wastewater containing SMs. Results show that 0.5 g/L biochar addition could increase more than 30% of sulfadiazine (SDZ) and sulfamethazine (SMZ) removal in AnMBR. Approximately 95% of chemical oxygen demand (COD) was removed in the AnMBR at an influent organic loading rate (OLR) of 3.27 kg COD/(m(3).d) while an average methane yield was 0.2 L/g CODremoved with slightly change at a small dose 0.5 g/L biochar addition. SMs inhibited the COD removal and methane production and increased membrane fouling. The addition of biochar could reduce the membrane fouling by reducing the concentration of SMP and EPS.
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