Proven successEvery wastewater treatment plant (WWTP) produces sludge as part of the treatment process. The treatment and disposal of these biosolids is expensive, representing up to 70% of a plant’s operating costs. Responsible for processing around 150,000 tonnes of sludge per annum, Anglian Water identified an opportunity to develop a new hydrolysis technology that would maximise a plant’s biogas production from sludge. This would also reduce operating costs and the plant’s carbon footprint too. This technology is now successfully installed across four Anglian Water sludge treatment plants.
Helea provides wastewater companies with a technology that significantly increases the biogas yield over conventional digestion. At the same time, it transforms the remaining biosolids into a high-quality biosolids resource that can be utilised in agriculture as a nutrient and a soil conditioner. With these characteristics, it supports the wastewater industry to achieve its Net Zero Targets.