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What factors affect wastewater biotreatment?

Oxygen content: The dissolved oxygen concentration in the mixed liquor at the outlet of the aeration tank should be maintained at 2 mg/L. The dissolved oxygen in the A section of the A/O process should be maintained below 0.5 mg/L. Anaerobic microorganisms can only survive in an environment with extremely low or even absolutely no oxygen.

2017

Expand the scope of reclaimed water use to solve water problems

Recycled water is internationally recognized as the 'second water source' for cities, but China's utilization rate is less than 10%. Hong Meixiang, a national committee member of the Chinese People's Political Consultative Conference and chairman of the Yinchuan Municipal Committee of the CPPCC, suggested that effective measures should be taken to increase the utilization of recycled water and expand its scope of application.

2017

China monitors drinking water radioactivity; experts analyze water safety

The Fukushima nuclear accident, triggered by an earthquake, resulted in multiple Japanese water treatment plants being affected by nuclear radiation, including 13 areas, such as Tokyo, where radioactive substances were detected in tap water. Therefore, the local Japanese government urged people to avoid drinking tap water.

2017

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