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Module D: Water Reuse
LESSON D1: GUIDELINES AND STANDARDS FOR WASTEWATER REUSEIn this lesson you will comprehend the importance as well as the necessity of setting wastewater reuse guidelines and regulations. You will be aware of arising problems for getting universal valid standards. You will get an overview of guidelines and regulations existing worldwide and regionally. LESSON D2: WASTEWATER REUSE TECHNOLOGIESThis lesson deals with the wastewater treatment technologies which are able to comply with the standards for water reuse. Usually the hygienic standard cannot be met by conventional treatment (even if it is highly efficient in removal of organics and nutrients) like activated sludge and secondary clarifier. Organic compounds and nutrients can be, contrary to conventional treatment goals, useful for irrigation because they have an additional fertilising effect on the fields. LESSON D3: ECONOMIC INSTRUMENTS IN WASTEWATER MANAGEMENTIn this lesson, different economic instruments used in wastewater management will be presented. Special emphasis will be given to the various tariff structures that are used to levy wastewater service fees. Tariffs determine the level of revenues that service providers receive from users. They are designed for different purposes, and often contain some elements to address poverty. Glossary
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