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Coffee husk and biosolids compost for arid soils
Two waste streams, one amendment. Treated sewage sludge brings nitrogen, phosphorus and microbial life. Coffee husk brings the carbon, structure and porosity that hold both water and nutrients in the root zone instead of letting them drain.
Uganda produces coffee husk in volume as a processing by-product. Arid regions produce biosolids in volume as a by-product of urban growth. Composted together under a controlled process, they consume each other's disposal problem and produce a soil amendment that neither could make alone.
The full technical package — methodology, risk assessment, quality control plan, monitoring framework, budget and logical framework matrix — is prepared and available to serious counterparties on request.
Request the technical brief
Feedstock ATreated sewage sludge
Feedstock BUgandan coffee husk
TargetOrganic matter and water retention
ScreeningPathogens, heavy metals, maturity
PreparationSorted, crushed and sized in Uganda
DocumentationFull proposal, annexes and result chain