Opero Project Portfolio
A 22-page overview of Opero's WASH enterprise, innovation and market-research programmes across East Africa.
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Evidence and learning for practical WASH action.
Explore case studies, field insights, project updates, newsletters and PuPu Pump Digest articles.
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PuPu Pump Digest: Tackling Trash
Practical lessons on trash, thick sludge and equipment care during pit-latrine emptying.
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January 2025 Update
A recap of Opero's late-2024 work across humanitarian treatment, green sanitation, enterprise support and PuPu Pump commercialization.
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PuPu Pump testing and commercialisation
Field testing and commercialisation of a portable pit-emptying technology with sanitation service providers in East Africa.
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Saniforce: a fecal sludge treatment unit for humanitarian settings
Development and pilot testing of a self-sustaining fecal sludge treatment unit for humanitarian settings.
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Development and testing of the Vetiver Green Latrine
Development and field testing of a lower-cost latrine combining barrel containment with a vetiver grass treatment bed.
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Testing and commercialization of DungBeetle anaerobic digesters
Testing modular anaerobic digesters for decentralized sanitation, resource recovery and clean-energy production.
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Testing the Honey Dipper
Lab and field testing of a waterless toilet designed to dehydrate and treat waste where sewer infrastructure is impractical.
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Shifting Gears: Portable and Ready for Any Terrain
A PuPu Pump Digest issue on portable sanitation service delivery in difficult terrain.
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Shifting Gears: Embracing Technology in Pit Latrine Emptying
Lessons from introducing improved equipment into pit-latrine emptying services.
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