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Biogas-pH automation control strategy for optimizing organic loading rate of anaerobic membrane bioreactor treating high COD wastewater

Yu, Dawei ; Liu, Jibao ; Sui, Qianwen ; Wei, Yuansong

Bioresource Technology, March 2016, Vol.203, pp.62-70 [Tạp chí có phản biện]

ISSN: 0960-8524 ; E-ISSN: 1873-2976 ; DOI: 10.1016/j.biortech.2015.12.010

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  • Nhan đề:
    Biogas-pH automation control strategy for optimizing organic loading rate of anaerobic membrane bioreactor treating high COD wastewater
  • Tác giả: Yu, Dawei ; Liu, Jibao ; Sui, Qianwen ; Wei, Yuansong
  • Chủ đề: Anaerobic Membrane Bioreactor ; High Cod Wastewater ; Online Monitoring ; Automation Control Strategy ; Alkalinity ; Agriculture ; Engineering ; Chemistry
  • Là 1 phần của: Bioresource Technology, March 2016, Vol.203, pp.62-70
  • Mô tả: Control of organic loading rate (OLR) is essential for anaerobic digestion treating high COD wastewater, which would cause operation failure by overload or less efficiency by underload. A novel biogas-pH automation control strategy using the combined gas-liquor phase monitoring was developed for an anaerobic membrane bioreactor (AnMBR) treating high COD (27.53 g·L ) starch wastewater. The biogas-pH strategy was proceeded with threshold between biogas production rate >98 Nml·h preventing overload and pH > 7.4 preventing underload, which were determined by methane production kinetics and pH titration of methanogenesis slurry, respectively. The OLR and the effluent COD were doubled as 11.81 kgCOD·kgVSS ·d and halved as 253.4 mg·L , respectively, comparing with a constant...
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-8524 ; E-ISSN: 1873-2976 ; DOI: 10.1016/j.biortech.2015.12.010

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