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    This study aimed to propose a new type of micro-pressure swirl reactor (MPSR) to treat urban sewage. The MPSR could form a stable swirl in the reactor, and realized the coexistence of anaerobic, anoxic, and aerobic zones in a single aeration tank. The pilot study showed that MPSR achieved high removal efficient of SS, COD, NH4+-N, TN, TP under the conditions of drastic fluctuation in influent quality and temperature, and the average removal rate were 88.58%, 93.32%, 94.47%, 73.19%, 96.16%. The relative high abundance of Thermomonas, Thaurea, and Dechloromonas, etc, guaranteed the denitrification efficiency of the MPSR, and Dechloromonas was the main phosphorus removal bacteria in the system. The study confirmed the rationality of the structural design of the MPSR, and it was excellent in sewage treatment and stability. Copyright © 2020 Elsevier Ltd. All rights reserved.


    Zebing Nie, Mingxin Huo, Fan Wang, Shengshu Ai, Xuejian Sun, Suiyi Zhu, Qingzhe Li, Dejun Bian. Pilot study on urban sewage treatment with micro pressure swirl reactor. Bioresource technology. 2021 Jan;320(Pt A):124305

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    PMID: 33189044

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