2026-06-27http://hdl.handle.net/123456789/160640Limited Accessbusiness managementmodelseconomic aspectscost benefit analysisnutrientsfeacessewage sludgewastewater treatmentwater reusephosphorusnitrogencompostingorganic matterorganic fertilizersprivate sectorsanitationBusiness models and economic approaches for nutrient recovery from wastewater and fecal sludgeBook Chapter