Development of equations for estimating energy requirements in palm-kernel oil processing operations

Type Journal Article - Journal of Food Engineering
Title Development of equations for estimating energy requirements in palm-kernel oil processing operations
Author(s)
Volume 79
Issue 1
Publication (Day/Month/Year) 2007
Page numbers 322-329
URL https://www.researchgate.net/profile/Simeon_Jekayinfa/publication/222407874_Development_of_equations​_for_estimating_energy_requirements_in_palm-kernel_oil_processing_operations/links/00463514a2b2056bc​9000000.pdf
Abstract
A study was conducted to determine the energy consumption in palm-kernel oil (PKO) processing operations as carried out in nine
PKO mills in Nigeria. The mills were equally stratified into three categories to represent different mechanization levels and production
capacities. Mathematical expressions were developed to evaluate the energy requirement for each of the seven readily defined unit operations,
namely: palm-nut drying, palm-nut cracking, palm-kernel crushing, palm-kernel roasting, PKO expression, PKO sifting and PKO
bottling/pumping. The equations were exploited to compute energy expenditure by the mills using measured input data. Empirical equation
was developed for each unit operation to relate energy requirement to palm-nut/kernel input. The application test of the equations
indicated that about 352 MJ, 232 MJ and 177 MJ was averagely needed to process 1000 kg of palm-nut in the small, medium and largescale
mill, respectively, while energy requirement for each unit operation in each mill category was also estimated.

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