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Sustainable wastewater treatment with soil filters

This brochure intended to assist decision-makers, deals with soil filters which can be suitable and be a sustainable solution to wastewater problems. It is not a design manual. It describes the construction and operational principles of soil filters, outlining their economic, institutional, legal and socio-cultural aspects. This brochure also includes a short comparison of soil filters with other extensive treatment methods, and a list of questions to consider when faced with the need to select a wastewater treatment system.