Abstract
This study aimed to estimate the amount of biomass energy that can be acquired from crop residues in Eritrea, a country in the horn of Africa with a population of 6 million and having a national income per capita is around 150 US dollars. It’s an agricultural country. The energy potential of crop residues was calculated by considering the calorific values and the amount of available residue. For the year 2015, the total calorific value of agricultural residues was estimated approximately 1332.34TJ. According to the amount of agricultural residues, the most contributing crops were sorghum (50%) and millet (27%). Thus, it can be inferred that knowing the particular and general biomass energy potential of agricultural residues could help in managing energy sources and planning projects.
Highlights
Energy supply, the issue of alternative energy sources, has seized the thoughts of people worldwide and has stimulated more research, dispute and action: personal, political and commercial; perhaps as equal as any other environmental issue in the course of time (Onochie et al, 2015)
A report from the Department of Energy shows that out of the total energy supply 66.3% was derived from local biomass fuels (Semere, 2001)
Data from the annual report of the Ministry of Agriculture (MOA) of Eritrea for the year 2015 were used to compute the amount of residue from the seasonal year production of main crops cultivated in Eritrea
Summary
The issue of alternative energy sources, has seized the thoughts of people worldwide and has stimulated more research, dispute and action: personal, political and commercial; perhaps as equal as any other environmental issue in the course of time (Onochie et al, 2015). Biomass exists in diversified forms such as wood, sawdust, straw, seed waste, manure, paper waste, household waste, and wastewater (Long et al, 2013). By virtue of their nature, some biomass energy sources are used directly as fuel. Bioenergy has been suggested as a sustainable source of energy that has a higher potential to displace the dominant fossil-based energy (Mirkouei et al, 2017). When used as fuel this has the potential of reducing indoor air pollution It has a direct impact on economic growth because people can market the extra charcoal (Zulu and Richardson, 2013). With the growth of the BSJ Agri / Gürkan Alp Kağan GÜRDİL et al 103
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