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A study case on coffee (Coffea arabica): Limu Coffe - IRD

A study case on coffee (Coffea arabica): Limu Coffe - IRD

A study case on coffee (Coffea arabica): Limu Coffe - IRD

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Greens to sun<br />

drying<br />

Floaters to<br />

sun drying<br />

Water to<br />

recycling<br />

Pulp to<br />

composting<br />

Water to<br />

waste<br />

Water to<br />

recycling<br />

1.2) Two ways of processing <strong>coffee</strong>: the dry and wet methods<br />

WET PROCESS DRY PROCESS<br />

Cherry recepti<strong>on</strong>/sorting<br />

Flotati<strong>on</strong>-wet feed<br />

Pulper machine<br />

Pregrading channel<br />

Fermentati<strong>on</strong> tanks<br />

Washing<br />

Grading channel<br />

Heavies and lights separated<br />

Skin drying – remove all<br />

free/excess water<br />

Sun drying<br />

Rubbish to waste<br />

Rubbish to waste<br />

Household steps<br />

Akhrabies, Investors<br />

and Service<br />

cooperatives<br />

processing plants<br />

Storage and c<strong>on</strong>diti<strong>on</strong>ing<br />

Cherry recepti<strong>on</strong>/sorting<br />

(according to size,<br />

density and colour of<br />

beans)<br />

Sun drying and raking<br />

Storage<br />

Hulleries,<br />

Dried husk and<br />

parchment removed<br />

Illustrati<strong>on</strong> 4: Wet and Dry methods (adapted from the Internati<strong>on</strong>al Trade Center, 2002)<br />

7

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