Black dust, fungi stalks converted to rich soil
China Daily | Updated: 2018-08-23 07:44
For two decades it has been the primary source of pollution in villages and rivers near Beijing: 20 million metric tons of pulverized fuel ash from a coal-fired power plant.
But for Liu Kefeng, 63, it is a "huge treasure".
After three years of research, a team led by Liu has successfully turned ash into soil that can be used to grow seedlings and make cities greener.
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