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.
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