NEW technology from Switzerland designed to remove the need for landfill was unveiled at the RWM show.
The new method for recovering a greater proportion of waste residue in waste to energy (WtE) plants is currently being developed by ZAR, a development centre specialising in the sustainable management of recyclable waste and resources.
At a seminar hosted by the Swiss Embassy and Swiss Enviro, the organisation that promotes the country’s environmental businesses, the agenda considered how the treatment of such WtE residues can increase the efficient use of materials and energy over the entire life cycle of products.
Currently the recovery of energy from organic fractions in, for example, waste to energy plants and biogas, is standard practice in Switzerland. However, the government is determined to take the approach a step further to ensure that within 10-20 years, no landfill will be required.
That target will be achieved by the material recovery of metallic and mineral substances from the residues of WtE. Known as ‘urban mining’, the technologies are based on systems and equipment typically used in the mining industry.