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Turning human waste into 'black gold' in China
The push to repurpose faeces into energy resources or fertiliser is expanding as its cities become more crammed
Add BT as a preferred sourcePublished Mon, Feb 2, 2015 · 09:50 PM
Hong Kong
HEINZ-PETER Mang is obsessed with turning human waste into gold. As millions of Chinese move to cities, the German engineer is convinced the country is on the way to hitting the jackpot.
A growing portion of China's toilet waste is converted into fertiliser and biogas. In Beijing, 6,800 tons of human excrement are treated each day by some estimates: enough to fill almost three Olympic-size swimming pools.
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