Abstract
The green coffee bean of international commerce constitutes only 50–55% of the dry matter of the ripe cherry (18% on a fresh weight basis). The remaining material is diverted into a variety of low- or negative- value by-products depending on the processing technique used. Here we describe these by-products and the various schemes that have been proposed for their utilisation or disposal, and attempt a critical evaluation of their feasibility. Aspects of this subject have been discussed previously by several authors.1 – 6
Keywords
Chemical Oxygen Demand Anaerobic Digestion Biological Oxygen Demand Instant Coffee Rotate Biological Contactor
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