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pbu787574 : Air purification tower cuts PM2.5 by 15 percent: researcher

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  • Air purification tower cuts PM2.5 by 15 percent: researcher (2018-04-18)
  • Testing has shown that 60-meter-tall air purification tower in Xi'an, capital of northwest China's Shaanxi Province, can cut the average PM2.5 density by 15 percent over an area of 10 square kilometers. Researchers released the test results of the tower's purification capability at a press conference on Tuesday. On severely polluted days, the tower can purify five million cubic meters of polluted air on a daily basis, according to Cao Junji, researcher with Institute of Earth Environment under the Chinese Academy of Sciences.    Photo by Imaginechina
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