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Construction of urban sewage and garbage treatment facilities has made outstanding progress

During the 11th Five-Year Plan period, the Chinese government attached great importance to the construction of urban sewage and garbage treatment facilities, regarding it as an important means of promoting energy conservation and emission reduction and improving environmental quality. Special plans for the construction of sewage and garbage treatment facilities were developed, relevant preferential policies were improved, investment was continuously increased, and the construction of urban sewage and garbage treatment facilities was actively promoted. Enthusiasm for investment in urban sewage and garbage treatment facilities across society soared, promoting the development of the environmental protection industry and laying a solid foundation for the full achievement of the target for reducing chemical oxygen demand (COD).

2017

Scientists: Earth's creatures must migrate to cooler regions to cope with global warming

According to Singapore's Lianhe Zaobao, American scientists say that terrestrial ecosystems must migrate an average of 420 meters per year to cooler areas to adapt to global warming; species that cannot migrate or migrate too slowly, such as plants, and species that require the longest migration distances, face a higher probability of extinction.

2017

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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