The process of coagulation-air flotation and coagulation-sedimentation is often used in the treatment wastewater.

混凝气浮和混凝沉淀是水和废水处理中常用的工艺。

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Wastewater treatment plants hold back 83 to 99 percent of them.

废水处理厂截留了其中的83%到99%。

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Because the system would not produce other waste products, they also hope it could improve wastewater treatment in the developed world.

因为这个系统不会生产出其他的废弃物，他们也希望这个系统能够改进发达国家的污水处理。

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They were put to work as cleaners at fish farms along the Mississippi River and in wastewater treatment systems.

VOA: special.2009.12.15

Separating our water supply from sewage and learning how to do wastewater treatment was a really important part of reducing infectious diseases.

把净水和污水分开,以及学会污水处理的方法,是减少感染性疾病传播方法中的重要部分

耶鲁公开课 - 生物医学工程探索课程节选

Urbonas says communities there must focus first on developing a proper wastewater treatment system.

VOA: standard.2010.08.04

"If this technology works on a commercial scale the way we believe it will, the treatment of wastewater could be a huge energy producer, not a huge energy cost, " said Hong Liu, an associate professor in the OSU Department of Biological and Ecological Engineering.

ENGADGET: Researchers create super-efficient microbial fuel cell, dream of selling excess electricity

Using so-called anaerobic digestion, ExoGen aims to make wastewater treatment for industry and agriculture much more efficient by creating a significant amount of energy throwing off electrons and methane gas during the treatment process that partially offsets the energy required to treat the wastewater.

FORBES: Will Cambrian Innovation Revolutionize Waste Water Treatment?

The company said its customers thought reusing water from wastewater treatment works made sense.

BBC: Southern Water could recycle wastewater