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Research Article Open access CC BY 4.0

Effect of Moisture Content and Particle Size on Characteristics of Fuel Pellets Using Flat Die Type Pelleting Machine

Abolee Jagtap, Surendra Kalbande

International Journal of Environment and Climate Change · pp. 174–182 · Published 2 May 2023

10.9734/ijecc/2023/v13i71864

Abstract

Fuel pellets are a popular form of biomass energy due to their high energy density, ease of handling, and reduced emissions. The quality of fuel pellets is influenced by various factors, including the moisture content and particle size of the raw materials (Soybean straw and cotton stalk) used during the pelletization process. In this study, the effect of moisture content and particle size on the characteristics of fuel pellets produced using a flat die type pelleting machine was investigated. Different moisture content levels (ranging from 20 to 30%) and particle sizes (ranging from 4 to 8 mm) were used to pelletize a biomass feedstock. The pellet characteristics, including pellet durability, bulk density and water resistance and energy consumption were evaluated.  The results showed that both moisture content and particle size significantly influenced the characteristics of the fuel pellets as well as energy consumption. Based on the findings, an optimal moisture content of 25% and particle size of 6 mm were determined for producing fuel pellets with desirable characteristics and low energy consumption was required using the flat die type pelleting machine. These results can provide valuable insights for biomass pellet producers and researchers in optimizing the pelletization process to achieve high-quality fuel pellets with improved properties.

Fuel pellets moisture content particle size pellet durability energy consumption flat die machine

Cited by 1

Pyrolysis of sugarcane bagasse pellets: influence of temperature and pellet density on co‐product yields

Ruth Mesquita Ferreira, Lainy Soares de Souza, Gilvan Ribeiro dos Santos · Biofuels, Bioproducts and Biorefining · 2025

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