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Categories: tunnel

  • How Camfil is preventing street level pollution by removing nitrogen dioxide in Hong Kong tunnel

    How Camfil is preventing street level pollution by removing nitrogen dioxide in Hong Kong tunnel

    World’s largest air purification system
    According to the United Nations Environment Programme, 92 percent of people in the Asia-Pacific region are exposed to high level of air pollution that pose significant risk to health.
    Highways Department in Hong Kong came up with an incredible solution to alleviate the traffic congestion and tackle the serious problem of air pollution. The Central-Wan