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Local scientists' new rural water filter also lowers C02 in air

SCIENTISTS at East China Normal University have developed a multi-stage, underground embedded water treatment system that can be used to solve the problems of sewage pollution from diffuse sources in rural areas where residents lived in a scattered fashion.

The system, which took five years to finish, has a higher removal rate of pollutants in the water than conventional treatment. For example, the removal rate for phosphorus is 10 times the rate at typical sewage treatment plants, thanks to the new filter.

“The raw materials of the filter can be obtained from products of carbon sequestrations which is also good for environment,” said Lu Jianjian, a professor with the university. Carbon sequestration is the process of capturing and long-term storage of atmospheric carbon dioxide.

Lu said China’s carbon emissions topped the world and accounted for 29 percent of the total global carbon emissions due to overuse of carbon-based energy.


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