e-journal
Recent trends in global production and utilization of bio-ethanol fuel
Abstract.
Bio-fuels are important because they replace petroleum fuels. A number of environmental and economic
benefits are claimed for bio-fuels. Bio-ethanol is by far the most widely used bio-fuel for transportation
worldwide. Production of bio-ethanol from biomass is one way to reduce both consumption of crude oil
and environmental pollution. Using bio-ethanol blended gasoline fuel for automobiles can significantly
reduce petroleum use and exhaust greenhouse gas emission. Bio-ethanol can be produced from different
kinds of raw materials. These raw materials are classified into three categories of agricultural raw materials: simple sugars, starch and lignocellulose. Bio-ethanol from sugar cane, produced under the proper
conditions, is essentially a clean fuel and has several clear advantages over petroleum-derived gasoline
in reducing greenhouse gas emissions and improving air quality in metropolitan areas. Conversion technologies
for producing bio-ethanol from cellulosic biomass resources such as forest materials, agricultural
residues and urban wastes are under development and have not yet been demonstrated commercially.
Keywords: Biomass, Bio-ethanol, Fuel properties, Production, Bioconversion, Policy, Economy
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