Wastewaters, source of energy in Urumqi, China

wastewater treatment, Hohhot, Veolia China, Urumqi

Biogas from the digestion of sewage sludge is an important renewable energy field. By implementing proven, effective and energy-efficient technologies of decontamination and of production of this fuel gas, Veolia significantly reduces the energy balance and carbon footprint of wastewater treatment plants it operates, as in Urumqi in China, a region sensitive to water stress and water quality.










Key figures

A collection area populated with 1.5 million inhabitants

45% of the energy needs of the site covered via self-production

2700 m3 of sludge treated daily

1,000,000 m3 of biogas produced per month

80% of CO2 emissions saved in 2014