Advances in Food Science and Engineering

A Steam Heat Generation System for Pre-Treatment of Oil Bearing Seeds for Efficient Oil Extraction

Download PDF (731.6 KB) PP. 1 - 12 Pub. Date: March 8, 2018

DOI: 10.22606/afse.2018.21001

Author(s)

Agidi Gbabo^*
Department of Agricultural and Bioresources Engineering, Federal University of Technology, Minna, Niger State, Nigeria.
Andrew N. Efomah
Department of Agricultural and Biosystems Engineering, University of Ilorin, Ilorin, Kwara State, Nigeria.
Gana Ibrahim Mohammed
Department of Agricultural and Bioenvironmental Engineering, Federal Polytechnic Bida, Niger State, Nigeria.

Abstract

A steam toasting machine for pre-treatment of oil bearing seeds was designed and fabricated by Desfabeng Company Nigeria Limited Bida, Nigeria. The major component of the machine includes; hopper, heating unit, conveyor, toasting unit, electric motor of 0.25kW and a gear motor of 0.25kW. Results of testing of the system revealed maximum oil yield of 42 %, 46%, 48 % and 40 % for neem oil (8% mc), ground nut oil (6% mc), sesame oil (6%) and shea nut (10% mc) respectively. Also the result of physicochemical analysis of the oil sample showed that the values ranged from 0.3 to 2.87 for free fatty acid, 0.38 to 2.93 mg/g for peroxide value, and 39.12 mg/g to 106.16 mg/g for iodine value. The capacity of the system was 4 tons per day. The new system will help in eliminating the shortcoming associated with direct toasting of oilseeds with open fire.

Keywords

Oilseed, heat, steam, oil extraction, design, fabrication

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