Biomass Briquettes as an Alternative Energy Source Compare to Wood Charcoal In Boilers

Authors

  • Neha V. Kuthe  PG Scholar, Department of Mechanical Engineering, P. R. Pote (Patil) College of Engineering and Management Amravati, Maharashtra, India
  • Prof. P. B. Ingle  Department of Mechanical Engineering, P. R. Pote (Patil) College of Engineering and Management Amravati, Maharashtra, India
  • Prof. V. G. Gore  Department of Mechanical Engineering, P. R. Pote (Patil) College of Engineering and Management Amravati, Maharashtra, India

Keywords:

Biomass, Briquette, Densification, Technology, Production Costs, Economic Feasibility

Abstract

Growing global demand and utilization of fossil fuels has elevated wealth creation, increased adverse impacts of climate change from greenhouse gases (GHGs) emissions, and endangered public health. In most developing countries, biomass wastes, which include but are not limited to agricultural residues, are produced in large quantities annually. They are either inefficiently used or disposed of indiscriminately, which threatens the environment. It is possible to convert these wastes, through densification, into high-density and energy-efficient briquettes. Densification of biomass into briquettes presents a renewable energy option as an alternative to fossil fuels. This paper reviews biomass briquetting with reference to biomass resources, feedstock pre-processing, briquetting process parameters, briquetting technology, and briquettes quality evaluation parameters. The review also includes the economic aspect of briquetting relating to costs and feasibility. The combustion of biomass briquettes made of various mixtures of sawdust and harvested crop residues (wheat straw, corn stover, and reed) in a small boiler with downdraft combustion, designed to burn wood or sawdust briquettes. The analysis of five types of biomass mixtures showed that their combustion properties are similar to the manufacturer’s recommended fuel, but also revealed some improvement potential, specifically the thermal shielding of the primary combustion chamber using a refractory lining and the adjustment of the excess air between the two combustion chambers. The experimental measurements indicated a global thermodynamic efficiency increase from 86.73% to 94.08%, a combustion maximum efficiency increase from 91% to 96.2%, a significant reduction of maximum CO emissions (O2ref = 12%) from 8292 ppm to 4756 ppm, and a similar reduction of maximum NOx from 272 ppm to 126 ppm. These results have been obtained by using briquettes made of a 50/50 mixture of sawdust and corn stover.

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IInternational Journal of Scientific Research in Mechanical and Materials Engineering

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Published

2021-07-30

Issue

Volume 5, Issue 4, July-August-2021

Section

Research Articles

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How to Cite

[1]
Neha V. Kuthe, Prof. P. B. Ingle, Prof. V. G. Gore, " Biomass Briquettes as an Alternative Energy Source Compare to Wood Charcoal In Boilers, IInternational Journal of Scientific Research in Mechanical and Materials Engineering(IJSRMME), ISSN : 2456-3307, Volume 5, Issue 4, pp.16-40, July-August-2021.