Techno-economic analysis (TEA) of extruded aquafeeds

Date
2014-07-01
Authors
Yu, Chenxu
SULEIMAN, RASHID
Suleiman, Rashid
Yu, Chenxu
Rosentrater, Kurt
Rosentrater, Kurt
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Altmetrics
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Agricultural and Biosystems Engineering
Abstract

The worldwide decline and overexploitation of ocean fisheries stocks had provided incentive for rapid growth of aquaculture. The aquaculture industry has been recognized as the fastest-growing food production system globally, with a 10% increases in production per year, and is one of the most reliable and sustainable growth markets for manufactured feeds. Extrusion technology has been extensively used in the modern aquatic feed manufacturing, due to nutritional, physical properties improvements and cost effectiveness of feeds. Cost related to aquatic feed remains the biggest challenge, especially for small-scale producers. In this study a single screw extruders and three different scenarios (i.e. 0.2 tons/day, 2 tons/day, 20 tons/day) throughput were used to develop techno-economic models for small-scale producers of extruded aquatic feeds. The results show annualized capital costs decreased as production capacity increased. Thus, aquatic feed producers could use this tool to evaluate annual costs and benefits to determine processing economics.

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