Analysis of Environmental Impacts on the Characteristics of Gas Released from Biomass
الموضوعات :
Reza Alayi
1
,
Ehsan Sobhani
2
,
Atabak Najafi
3
1 - department of mechanics, islamic azad university, germi, iran
2 - department of energy engineering, energy institute of higher education, Saveh, Iran.
3 - Deparment of electrical engineering, Germi branch, Islamic Azad University. Germi, Iran.
الکلمات المفتاحية: biomass, Gasifier fixed bed, Gasification, Downdraft, solid wastes,
ملخص المقالة :
Due to population growth and increased production of municipal solid waste, it is important to utilize this unused energy source, With the right technology, this resource can be used as energy production. Sources of biomass include various natural and derived materials, such as woody and herbaceous species, solid wastes (e.g. from forest thinning and harvesting, timber production and carpentry residues), agricultural and industrial residues, waste paper, municipal solid waste, sawdust, grass, waste from food processing, animal wastes, aquatic plants and industrial and energy crops grown for biomass In this study, in order to produce gas with high calorific value of solid waste in Tehran, a wide variety of compounds, steam and air intake fixed bed reactor has been investigated to identify the best combination. This essay will focus on the production of biogas with high calorific value. In this research, different compositions of air and steam as a reactor input have been examined and fixed base gasifier behavior in different situations have been specified which demonstrate that, best amount of air-steam composition with the most heat valuation is 12.26 (lb/s) for air input and 9.989 (lb/s) for steam input.
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