Fecal sludge (FS) from on-site sanitation systems has to be well composted to reduce its pathogenic risk for reuse in agriculture, forestry or landscaping. Over the last decade, the International Water Management Institute (IWMI) has explored the use of FS in combination with other organic waste sources to optimize the FS treatment and composting or co-composting process for the production of a safe organic fertilizer, which can – depending on demand – be enriched with crop nutrients or pelletized for volume reduction, delayed decomposition or easier application.

Based on IWMI’s experience, in particular in the Accrabased ‘Fortifer’ production plant, this training manual has been compiled for plant managers and trainers to help ensure that staff involved in FS treatment and production, and application of an FS-based co-compost adopt best practices in all processes involved. The manual can be adapted to local needs as required. ‘Best practice’ in this context comprises aspects related to health and environmental safety as well as technical knowledge related to operation and maintenance. The manual comprises the steps needed as well as the ‘do's and don'ts’ for the following topics: safety measures and compliance, FS reception and the use of drying beds, selection of appropriate co-composting materials, the composting process, product enhancement (enrichment, pelletizing), labeling, recording and storage. The manual also includes information on compost registration and certification, as well as guidelines for co-compost application in the field.

Bibliographic information

Nikiema, J; Impraim, R; Cofie, O; Nartey, E; Jayathilake, N; Thiel, F; Drechsel, P (2020). Training Manual for Fecal Sludge-based Compost Production and Application CGIAR

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Faecal sludge treatment processesFaeces or faecal sludgeGuidelines and manualsEnglishTrainer manuals (adult learning)Import to Sanitation Workers PlatformGood practicesGood practices

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