Beijing ecological water treatment shows greenhouse appear

Beijing "ecological water treatment shows greenhouse" appears to Paradise,

October Autumn, Beijing Olympic Forest Park South Park, "ecological water treatment shows greenhouse" all kinds of aquatic plants grow lush, visitors casual pictures in this hall, to forget that this is the landscape of sewage treatment facilities. The greenhouse area of 2,200 square meters, with intelligent control, through enhanced nitrogen, phosphorus and other processes, in all weather conditions recycled efficiently purify water.

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