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Processing - Disposal of the honey water
Pictures:
The
fermentation and washing stages produce what is referred to as
honey water. The following are referred to as honey water: 1)
The water that was used to push the beans into the fermentation
bins, 2) the water that is removed from the fermentation bins
and 3) the water that is used to wash the coffee.
This honey water, which contains the mucilaginous layer of the
coffee bean can be a serious source of polution in local water
sources if not discarded properly. At Selva Negra it is transferred
to biodigestor tanks, where it will be decontaminated and in its
process it will produce methane gas. The exces water is now clean
enough to be used. The farm uses this water for irrigation in
the cattle pasture land, during its dry months of the year. Please
refer to the sustainability section of the web site for more details.
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