A compost filter is a novel alternative pre-treatment method. Wastewaterflows through an aerobic filter. Solids (toilet paper, faeces) are held back in the filter, liquids are pumped to a secondary treatment facility (e.g. constructed wetland or waste stabilisation pond). There are two types of compost filters: chamber filter or hanging bags.
New "Safe Water Business" Perspective launched soon!
Launch: 28/8/2018, 15-17.00 at the Swiss Water Partnership Booth, World Water Week, Stockholm