Abstract
The present study deals with the issue of bio-briquette fuel produced from specific agriculture residues, namely bamboo fiber (BF) and sugarcane skin (SCS). Both materials originated from Thừa Thiên Huế province in central Vietnam and were subjected to analysis of their suitability for such a purpose. A densification process using a high-pressure briquetting press proved its practicability for producing bio-briquette fuel. Analysis of fuel parameters exhibited a satisfactory level of all measured quality indicators: ash content Ac (BF—1.16%, SCS—8.62%) and net calorific value NCV (BF—16.92 MJ∙kg−1, SCS—17.23 MJ∙kg−1). Equally, mechanical quality indicators also proved satisfactory; bio-briquette samples’ mechanical durability DU occurred at an extremely high level (BF—97.80%, SCS—97.70%), as did their bulk density ρ (BF—986.37 kg·m−3, SCS—1067.08 kg·m−3). Overall evaluation of all observed results and factors influencing the investigated issue proved that both waste biomass materials, bamboo fiber and sugarcane skin, represent suitable feedstock materials for bio-briquette fuel production, and produced bio-briquette samples can be used as high-quality fuels.
Highlights
With the increasing prices and various environmental impacts created by the use of fossil fuels, the importance of biofuel production has subsequently increased
The complex evaluation ofof the investigated bio-briquette production efficiency was based onon the set of quality indicators of both feedstock materials and produced bio-briquette samples
The main question investigated in the present research was to determine whether specific agriculture waste residues, namely bamboo fibers and sugarcane skin, are suitable for bio-briquette fuel production
Summary
With the increasing prices and various environmental impacts created by the use of fossil fuels, the importance of biofuel production has subsequently increased. The world’s population is expected to continue growing, with the total population calculated to be almost ten billion by mid-2050 [2] This population growth will lead to a deepening requirement for energy, and global energy demand will subsequently increase. With deforestation comprising a major problem in many parts of the developing world, there is increasing demand for fuelwood for household cooking This phenomenon affects remote rural communities that have no access to fuels such as liquid petroleum gas (LPG) and that depend substantially on burning locally-collected biomass [5]. Such a demand for fuel could be covered by bio-briquettes, which may provide necessary energy from waste materials because biomass is globally recognized as a renewable and sustainable energy source [6]. Agricultural residues have recently been posited as a major fuel source for many potential bio-energy projects in developing countries [1]
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