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    題名: A novel thermophilic anaerobic granular sludge membrane distillation bioreactor for wastewater reclamation
    作者: Duong, Chinh Cong;Chen, Shiao-Shing;Le, Huy Quang;Chang, Hau-Ming;Nguyen, Nguyen Cong;Cao, Dan Thanh Ngoc;Chien, I-Chieh
    關鍵詞: Bioreactor;Thermophilic;Anaerobic granular sludge;Membrane distillation;Water reclamation
    日期: 2020-07-22
    上傳時間: 2020-09-29 12:10:18 (UTC+8)
    摘要: Membrane distillation (MD) has a high heat requirement. Integrating MD with thermophilic bioreactors could remedy this problem. A laboratory-scale thermophilic anaerobic granular sludge membrane distillation bioreactor (ThAGS-MDBR) was used to treat wastewater with a high organic loading rate (OLR). Waste heat from ThAGS was used directly for the MD process to reduce energy consumption. The result demonstrated that the ThAGS-MDBR system achieved a high-efficiency removal of chemical oxygen demand (more 99.5%) and NH4+-N (96.4%). Furthermore, the highest methane production from the proposed system was 332 mL/g CODremoved at OLR of 16 kg COD/m3/day. Specifically, an aggregate of densely packed diverse microbial communities in anaerobic granular sludge was the main mechanism for the enhancement of bioreactor tolerance with environmental changes. High-quality distillate water from ThAGS-MDBR was reclaimed in one step with total organic carbon less than 1.7 mg/L and electrical conductivity less than 120 μS/cm. Furthermore, the result of the DNA extraction kit recorded that Methanosaeta thermophila was a critical archaea for high COD removal and bioreactor stability.
    關聯: Environmental Science and Pollution Research
    DOI: 10.1007/s11356-020-09987-4
    顯示於類別:[水資源及環境工程學系暨研究所] 期刊論文

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