0086-138 3838 9622A Guatemalan coffee-processing customer is developing a 5 t/h organic fertilizer production line using stabilized coffee pulp and other prepared organic materials.
The project turns a residue from coffee processing into a commercial agricultural input, but the production logic begins well before granulation.
Fresh coffee pulp contains substantial moisture and biodegradable organic matter. It is therefore not suitable for immediate feeding into the fertilizer pelletizing section.
From Coffee Residue to Prepared Compost
Coffee pulp is first managed through an appropriate stabilization or composting route.
After biological treatment and moisture adjustment, the prepared material can enter mechanical processing.
The RICHI production line then performs crushing, batching, mixing, granulation, screening and final product handling.
Approved nutrient or mineral components can be incorporated according to the customer’s fertilizer formulation.
The customer—not RICHI—determines the agronomic formula and nutrient declaration.
This separation between biological treatment and mechanical processing is important for the plant layout. Wet coffee residue storage, composting or stabilization areas require a different space and operating environment from the downstream granulation workshop.
The customer therefore plans to keep the prepared-compost receiving section physically organized ahead of the main production building rather than allowing freshly generated coffee pulp to enter the finished-fertilizer area.
5 T/H Commercial Production
The mechanical line is designed around approximately 5 t/h of prepared material.
The primary product is approximately 3–5 mm organic fertilizer granules.
Smaller horticultural products can be evaluated through screen and granulator adjustment, while larger agricultural products may use a different specification.
The packaging plan includes 20–25 kg standard bags and 40–50 kg agricultural sacks depending on distribution channel.
For plantation users or distributors purchasing larger volumes, the customer is also evaluating FIBC handling rather than forcing every tonne through small-bag packaging.
This matters because the project is intended to serve several buyer groups. Coffee growers may require larger commercial fertilizer packages, while agricultural dealers and horticultural users may prefer more manageable bag sizes.
Formula Changes Influence the Mixing Section
Coffee-pulp-derived compost will not necessarily constitute 100% of every product.
Depending on the fertilizer grade, the customer may add other stabilized plant-derived organic matter, humic ingredients, mineral carriers or approved nutrient components.
For this reason, the mixing section needs enough flexibility to handle several formulations without excessive residue remaining between batches.
RICHI is evaluating ingredient-feeding points according to material volume and addition level rather than using one common inlet for every component.
Lower-dose ingredients require more controlled weighing than the bulk compost fraction.
Screening Is Part of Product Control
Granulation alone does not create a finished commercial fertilizer.
Material leaving the forming section can contain correctly sized granules, fines and oversize particles.
The project therefore includes screening after granulation.
Suitable off-size material can be returned to the process rather than being treated automatically as waste, helping stabilize finished-product size distribution and reduce raw-material loss.
Where product moisture remains above the packaging requirement, the downstream configuration can also include appropriate drying and cooling before final screening and bagging.
The exact post-granulation route will follow the customer’s actual fertilizer formulation and moisture condition.
Why Guatemala Fits the Project
Coffee processing creates a concentrated residue stream at mills rather than scattered field waste alone.
That makes commercial collection and centralized treatment more realistic.
The customer also operates close to agricultural users that can purchase soil-improvement and organic-fertilizer products.
Instead of paying only to remove or manage organic coffee-processing residue, the processor is investigating a controlled route that can convert stabilized material into a standardized product with more convenient storage, transport and application characteristics.
The project therefore sits at the intersection of coffee processing and commercial fertilizer manufacturing rather than being simply a “waste recycling” story.
This is a different search universe from ordinary manure fertilizer:
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The organic fertilizer production project is now moving from formula trials into final equipment configuration, with particular attention being paid to prepared-material moisture, granule size distribution, screening return and the balance between small-bag and bulk commercial packaging.
