Filamentous sludge bulking is the key factors in deteriorating effluent quality.

菌性污泥膨胀是恶化处理水水质的重要原因。

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With this combination an effluent quality was achieved which would permit the reuse of the wastewaters in production process.

通过这个结合能够获得允许废水在生产过程中再利用的排放质量。

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The author participated in the design and development work of "Beijing effluent quality automatic online monitoring system" while preparing the paper.

作者在完成论文期间，参与了“北京市污水水质在线自动监测系统”的设计和开发工作。

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These gigs are lucrative, but ITT takes on more risk--by not only selling the hardware, but sometimes installing it and guaranteeing the quality of the effluent and the power usage.

FORBES: Muckraker

Water quality issues also create risk for companies, from stricter pollution standards on their own effluent to other entities polluting water upstream, requiring them to clean up water prior to use.

FORBES: A New Tool To Manage Companies' Growing Water Risks