有机负荷冲击对微压反应器的影响及调控策略

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Abstract Through a single-cycle instantaneous organic load rate (OLR) shock test, the influence of OLR shock on the micro-pressure swirl bioreactor (MPR) removal efficiency was explored. And adopt the method of increasing the aeration rate to deal with the shock, and determine the optimal aeration rate under different OLR shock conditions. The results showed that with the increase of OLR, the effluent COD was less than 50mg/L and the effluent TN was less than 10mg/L, but the removal efficiency of NH₄⁺-N and TP decreased as the load increased. OLR increased to 0.26gCOD/(gMLSS·d), the effluent TP was higher than 0.5mg/L, and when it was increased to 0.46gCOD/(gMLSS·d), the effluent NH₄⁺-N was higher than 5mg/L. When OLR is 0.26, 0.34, 0.46gCOD/(gMLSS·d), the corresponding optimal aeration volume is 1.95, 2.25, 2.45L/min, respectively. Under a single-cycle OLR shock, the influence could be effectively dealt with by adjusting the amount of aeration to ensure the removal of pollutants.

Key words： organic load shock micro-pressure swirl bioreactor removal efficiency gas volume control

Received: 15 January 2021

PACS:

X703.1

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	Articles by authors
	WANG Fan
	YAO Xing-rong
	LIU Song-lin
	JIANG Wei-qing
	AI Sheng-shu
	WANG Xi-chao
	BIAN De-jun

Cite this article:

WANG Fan,YAO Xing-rong,LIU Song-lin等. The impact of organic load on the micro-pressure swirl bioreactor and its control strategy[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(8): 3667-3675.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I8/3667

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