ONCE named for its “cool waters”, Nairobi now grapples with megacity waste overwhelming its rivers. At Dandora Estate Sewage Treatment Works, processing 80 per cent of the capital’s wastewater, a Chinese-engineered upgrade has turned a failing system into a lifeline.
The plant, likened to an urban “kidney”, was clogged by sludge and debris, forcing workers into hazardous manual labour. Jiangxi Zhongmei Engineering Group’s automated bar screens now intercept 95 per cent of solids and 90 per cent of silt, doubling capacity without the stench or risk. “We control the city’s pulse with clicks,” said engineer Denis Kioko.
Despite brutal odors that deterred rivals, the Chinese team persisted, reclaiming the site with green lawns. Kenyan officials praise their efficiency: capital costs one-third of Western rivals, ideal for land-scarce Africa. This “China Solution” eyes a “resource revolution” — biogas, fertilizers, and compact tech like Anammox.
As Nairobi’s untreated waste hovers at 45 per cent, Dandora’s success deepens Sino-Kenyan ties under FOCAC’s green partnerships. Clear waters now flow back to the Nairobi River, honoring its ancient name amid rapid urbanization.
Xinhua
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