Effect of the Addition of Binders on the Fuel Characteristics of Wood Pellets

Ahn, Byoung Jun; Chang, Hee-Sun; Cho, Seong Taek; Han, Gyu-Seong; Yang, In

doi:10.5658/wood.2013.41.6.475

Cited by 9 publications

(3 citation statements)

References 12 publications

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“…If lower compression ratios were applied for hardwood species, pellets with lower densities would be produces. Ahn et al (2013b) could enhance the bulk density of pellets from 645 kg/m 3 to 662 kg/m 3 by adding lignin powder as binder for Liriodendron tuli-pifera L.. Therefore, it is recommended to add binders or lubricants when high compression ratio is needed.…”

Section: Compression Ratiosmentioning

confidence: 99%

Study on the Estimation of Proper Compression Ratios for Korean Domestic Wood Species by Single Pellet Press

Lee¹,

Kim²

2020

Journal of the Korean Wood Science and Technology

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Single pellet press technology allows for fast, low-cost, and small-scale tests to investigate pelletizing characteristics. We estimated proper compression ratios for five Korean domestic wood species through predicted relationships between pelletizing pressure   and compression ratio based on experimental data obtained from a single pellet press unit. The pressures required to obtain a 6-mm-diam pellet of density 1200 kg/m 3 were estimated as 111 MPa for Populus davidiana, 133 MPa for Robinia pseudoacacia, 136 MPa for Quercus mongolica, 97 MPa for Pinus densiflora, and 127 MPa for Pinus rigida. On the basis of these pressures, we estimated proper compression ratios to be within the range 7.676-8.410 for these species, and we found the compression ratios needed for hardwood species to be somewhat higher than those needed for softwood species to obtain the pellet density of 1200 kg/m 3 .

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Section: Compression Ratiosmentioning

confidence: 99%

Study on the Estimation of Proper Compression Ratios for Korean Domestic Wood Species by Single Pellet Press

Lee¹,

Kim²

2020

Journal of the Korean Wood Science and Technology

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“…Table 3. Elemental composition of empty fruit bunch depending on countries and regions (Ahn et al, 2013). 염소는 철을 부식시켜 펠릿 연소기의 기계적 결함을 유도한다 (Lee et al, 2010).…”

Section: 재료 및 방법unclassified

Improvement in The Fuel Characteristics of Empty Fruit Bunch by Leaching and Wet Torrefaction

Gong¹,

Lee²,

Lee³

2016

Journal of the Korean Wood Science and Technology

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“…Lignin is known to increases the durability of wood pellet by drawing the wood particles closer together, simultaneously increasing intermolecular bonding and allowing miscible constituents to flow together. Several studies, however, still showed more or less ambiguous results which the addition of lignin didn't increase the durability significantly (Ahn et al, 2013;Min and Um, 2017;Wistara et al, 2017, Yang et al, 2017a. Yang et al (2017b) also showed other clues for the role of lignin in wood pellet.…”

Section: Introductionmentioning

confidence: 99%

Relationship between Lignin Content and the Durability of Wood Pellets Fabricated Using Larix kaempferi C. Sawdust

Yang¹,

Jeong²,

Lee³

et al. 2019

Journal of the Korean Wood Science and Technology

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This work was conducted to examine the relationship between lignin content and the durability of larch (LAR) pellets. LAR sawdust was immersed in tap water (TW), sulfuric acid (AC) and sodium hydroxide (AK) solutions, and then the immersed sawdust was used for pellet fabrication. Klason lignin (KL) content of the immersed LAR, contents of soluble lignin (SL) and monomeric sugars liberated from the immersion of LAR, and durability of LAR pellets were measured. KL content decreased as the concentration of AC and AK solutions increased, but glucose content increased with increase in AC and AK concentration. Durability of wood pellets fabricated using non-immersed LAR sawdust was the highest, followed by those made using TW-, AK-and AC-immersed sawdust. LAR pellets became more durable as the concentration of KL and SL increased, but a significant positive correlation was found only between pellet durability and KL content. Through the fluorescent microscopic observation and SEM-EDX analysis, it was verified that lignin content of non-immersed LAR pellets was higher than that of AC-and AK-immersed LAR pellets. These results suggest that lignin might contribute to an increase in inter-particle bonding in wood pellets.

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Effect of the Addition of Binders on the Fuel Characteristics of Wood Pellets

Cited by 9 publications

References 12 publications

Study on the Estimation of Proper Compression Ratios for Korean Domestic Wood Species by Single Pellet Press

Study on the Estimation of Proper Compression Ratios for Korean Domestic Wood Species by Single Pellet Press

Improvement in The Fuel Characteristics of Empty Fruit Bunch by Leaching and Wet Torrefaction

Relationship between Lignin Content and the Durability of Wood Pellets Fabricated Using Larix kaempferi C. Sawdust

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