Harvestable energy from the coconut palm

Abstract

The harvestable energy from the coconut palm is in the form of husks, shells and oil from the nuts and the leaf petioles with a regular monthly production of a bunch of nuts and one leaf. From the known energy content of the husks, nut shells and petioles, the number of palm trees required to provide the total energy for domestic cooking at wood equivalent to 1-3 kg firewood per day ranges from 5-14 for husks, shells and petioles, or 15-47 if the material is first converted to charcoal. In order to provide diesel fuel containing 10% coconut oil and cope with the annual increase in such a demand, the coconut crop would have to increase at the rate of 1 nut per bunch per month from 3-11 nuts to 12 nuts over the next 8 years. Highest coconut sap yield in ethanol terms, amounts to 109 MJ/month per palm which equals the oil in a 20-nut fruit bunch, thus indicating possible greater energy harvest from coconut sap than from coconut oil. © 1984.

Source or Periodical Title

Energy in Agriculture

ISSN

1675826

Page

337-344

Document Type

Article

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