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首页> 外文期刊>Journal of industrial and engineering chemistry >Performance response and recovery of temporal and spatial phase separated process for nutrients removal in short-term shock loadings
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Performance response and recovery of temporal and spatial phase separated process for nutrients removal in short-term shock loadings

机译:短期冲击载荷下时空相分离过程的性能响应和恢复,以去除营养

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摘要

This study was conducted to evaluate the stability and performance response under short-term hydraulic and organic shock load conditions in temporal and spatial phase separated process. The overall removals of BOD, TN, and TP declined slightly despite the hydraulic shock loading, and rapid recovery could be observed again after four cycles of 16 h. It seems that rapid recovery may be achieved by the unique characteristics of the system operated in a fed-batch manner. The effect of shock load on nitrogen removal due to increment of flow rate was higher than that of phosphorus, because of the insufficient reaction time for the nitrification and denitrification. After the organic shock, however, recovery time for phosphorus removal was needed rather than that of organics and nitrogen, because the overload to micro organisms related to the phosphorus release is attained by short-term organic shock loading.
机译:进行了这项研究,以评估时空和空间相分离过程中短期水力和有机冲击载荷条件下的稳定性和性能响应。尽管有水力冲击负荷,但BOD,TN和TP的总去除量略有下降,并且在经过四个小时的16小时后,可以再次观察到快速恢复。似乎可以通过以分批补料的方式运行的系统的独特特性来实现快速恢复。由于硝化和反硝化的反应时间不足,因此,由于流量增加,冲击负荷对脱氮的影响高于磷。但是,在有机激波发生后,需要去除磷的恢复时间,而不是有机物和氮的恢复时间,因为与有机磷释放相关的微生物过载是通过短期有机激波负载实现的。

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