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Evaluation of CHP for Electricity and Drying of Agricultural Products in a Nigerian Rural Community

Lookup NU author(s): Rasaq Lamidi, Dr Yaodong Wang, Dr Pankaj Pathare, Professor Tony Roskilly

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

The techno-economic performance analysis of biogas production, power generation and recovery of heat for drying of agricultural products for a Nigerian rural community is explored through process simulation. In this work, biogas generation from a 10.33MT/day cattle market waste was fed into a 72kWe CAT internal combustion engine and the model has been developed using Aspen HYSYSR process simulator. Simulation results shows that about 191.63MT per annum of tomato can be dried with the recovered heat while heat recovery for anaerobic digestion and drying of agricultural products increases the system's heat efficiency from 25.6% to 58.4%. The results also show that, with the current electricity tariffs for remote areas being charged at USD 0.02/kWh and Feed-in Tariffs (FITs), NPV is positive and the payback period is 3.2 years. However, system less than 1MW is not currently captured in Nigeria's FITs system while the economic indices are negative without FITs. Effects of interest rate regimes on economic indices is also explored as such system could be farm based and entitled to loan from the Nigerian Agricultural Development Bank, Bank of Industry and Commercial banks with interest rates 7%, 9% and 20% respectively. The results presented in this paper increased research knowledge on application of biogas CHP in Nigerian rural communities especially on integration of energy generation with processing of agricultural products


Publication metadata

Author(s): Lamidi R, Wang YD, Pathare PB, Roskilly AP

Publication type: Article

Publication status: Published

Journal: Energy Procedia

Year: 2017

Volume: 105

Pages: 47-54

Print publication date: 05/06/2017

Acceptance date: 01/03/2017

ISSN (electronic): 1876-6102

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.egypro.2017.03.278

DOI: 10.1016/j.egypro.2017.03.278


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