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October 2014
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14 Reads
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6 Citations
Renewable Energy Focus
FOUR-YEAR SUSTAINABILITY project reveals that farmers in Central America were able to extract biofuels from the wastewater produced by coffee mills. Participating processing plants reported amazing results.
... On the other hand, several studies reported that the coffee wastewater can be also anaerobically digested to produce biogas [30,[34][35][36][37][38]. According to Campos et al., [34], the washing and separation consumption varies from 0.1 to 0.3 L water/ per liter of fruit, while for peeling or pulping, the consumption ranges between 3 and 5 L water/ per liter of fruit. ...
October 2014
Renewable Energy Focus
