A Comparative Analysis of Different Types of Mexican Agroindustrial Pellets Using High-Throughput Instrumental Techniques

Musule, Ricardo; Pale-Ezquivel, Iván; Gordillo-Cruz, E.; Gómez-Luría, D.; Equihua-Sánchez, Mintzirani; Aguilar-Sánchez, Patricia; Huerta, L.; Carrillo-Parra, Artemio; García, Carlos A.

doi:10.1007/s12155-021-10370-5

Cited by 7 publications

(4 citation statements)

References 94 publications

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“…The combustion gases were separated by a gas chromatography (GC) column after combustion, and the resulting gases were then swept over a copper-filled layer before being detected by a thermal conductivity detector (TCD). Higher heating value (HHV) is one of the most crucial features in the energy evaluation of fuels and biofuels [15]. Experimental determination of HHV is often hampered by expensive experimental approaches and undesired experimental flaws.…”

Section: Chemical Properties and Higher Heating Value Determinationmentioning

confidence: 99%

“…Nevertheless, due to variations in properties, not all biomass materials can be compressed into pellets, which explains why Miscanthus-based pellets frequently lack the necessary durability and may not always exhibit the benefits listed above due to poor inter-particle bonding brought on by these materials' high ash and low lignin levels [11][12][13]. The amount of cellulose, hemicellulose, and lignin in a biomass is crucial for maximizing energy production strategies [11,14,15]. During pelleting, the strength of attraction forces will often decrease in accordance with the proportion of ash and lignin in the material, which in turn will affect the durability of the pellet, as low durability pellets will result in a high degree of disintegration that can have adverse negative impact on feeding and combustion systems [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

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Energy Production Features of Miscanthus Pellets Blended with Pine Sawdust

Mohammadi,

Anukam,

Ojemaye

et al. 2023

Bioenerg. Res.

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The primary objective of this study was to evaluate the qualities of Miscanthus pellets blended with pine sawdust at various ratios (Miscanthus/pine sawdust—0:100, 25:75, 50:50, 75:25, and 100:0) and relate them to energy generation potential under typical production conditions of the widely used bioenergy production technologies according to literature. Samples of each material were milled to the required sizes and blended in the proportions mentioned above. Water was added (6%) to each mixture to achieve a uniform moisture content of 10% on wet basis. The mixtures were then subjected to pressure agglomeration in the form of mechanical compression using a single pellet press so that homogeneously sized fuel pellets were obtained. Thereafter, the pure and blended pellet samples were examined using a range of analytical techniques to reveal any alterations in characteristics important to the utilization of the pellets as a green energy source. The results showed that, although temperature variations generally caused an estimated 6% moisture loss on a wet basis during pelleting with positive influence on the features of the pellets, the quality of the pellets in terms of ash composition (2–4%), hardness (41–46 kg/pellet), and heating value (20–21 MJ/kg) was in general more desirable for the blended pellets than for pure Miscanthus pellet. Structural analysis also revealed low levels of hydrophobic groups in the blends relative to pure Miscanthus, which were consistent with the fractions of pine sawdust and were also the reason for the pellets’ increased hardness.

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Section: Chemical Properties and Higher Heating Value Determinationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Energy Production Features of Miscanthus Pellets Blended with Pine Sawdust

Mohammadi,

Anukam,

Ojemaye

et al. 2023

Bioenerg. Res.

View full text Add to dashboard Cite

show abstract

“…This explains why pellets made from miscanthus do not often meet the required durability and may not necessarily display the advantages mentioned above due to poor inter-particle bonding caused by high ash and low lignin contents of miscanthus. Optimizing energy production techniques from the use of biomass materials such as miscanthus depends heavily on the cellulose, hemicellulose and lignin contents of the biomass [6, 13,14]. A comparison of the weight fractions of the most important constituents of miscanthus relevant to its use as a source of energy is shown in Table 2.…”

Section: Introductionmentioning

confidence: 99%

Energy production features of Miscanthus pellets blended with Pine sawdust

Mohammadi

Anukam

Ojemaye

et al. 2023

Preprint

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The energy production features of pine sawdust-blended miscanthus pellets were investigated in this study in accordance with physicochemical, combustion and morphological characteristics. The aim was to determine the conditions in which blended biofuel pellets made from a mix of miscanthus and wood residues can meet energy production requirements and other desired features of a biofuel source. Thus, milled samples of each material were blended in various proportions of 0%, 25%, 50%, 75%, and 100% represented as M0, M25, M50, M75, and M100 where ‘M’ denotes miscanthus. About 6% of water was added to each blend to achieve a final moisture content of 10% on wet basis. Thereafter, the pure and blended materials were subjected to pressure agglomeration from a single pellet press to obtain homogeneously sized fuel pellets. The pellets were subsequently analyzed to determine compositional changes and characteristics relevant to their use as a source of green energy. The results indicated that the miscanthus pellet blended with up to 75% pine sawdust (M25) generally showed superiority in properties, exhibiting better thermal stability, reactivity and lower ash content in comparison to other blends. Although, as expected, pure miscanthus pellet displayed the highest ash percentage (5%), which was attributed to its biogenic nature, its content of ash was substantially reduced by blending with pine sawdust whose ash content was much lower (1%). Based on these findings, we can confirm that pine sawdust is an interesting material for blending with miscanthus for the manufacture of miscanthus pellets with enhanced properties.

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“…A first step before considering using SBFs is the physical and chemical characterization of specific materials for which information is often unavailable. Musule et al [7] studied the properties of five types of residual biomass pellets produced throughout Mexico. They ranked the biomass sources, in the order of preference for use as SBF: pecan nutshell, sawmill pine waste, spent ground coffee, oil palm waste, and mango waste.…”

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confidence: 99%