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CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Effects of densification variables on the durability of wood pellets fabricated with Larix kaempferi C. and Liriodendron tulipifera L. sawdust

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This study was conducted to examine the effects of species, wood particle size, moisture content of wood particles, pelletizing temperature and time on the durability of larch and tulipwood pellets. The durability of larch pellets was significantly higher than that of tulipwood pellets. The larch pellets fabricated with smaller particles were more durable than those fabricated with large particles. The durability of the larch and tulipwood pellets improved steadily with increasing pelletizing time and temperature. In addition, the durability of both pellets increased with increasing moisture content of the sawdust. Scanning electron microscopy (SEM) showed that the surface of the larch and tulipwood pellets fabricated at a pelletizing temperature of 180 °C for 3 min were similar to that of the commercial wood pellets. SEM-energy dispersive X-ray (EDX) analysis showed that lignin, a potential natural binder between wood particles, was spread throughout both the larch and tulipwood pellets with increasing pelletizing temperature and time. These results suggested that the lignin might contribute to the increase in inter-particles bonding in wood pellets.

DOI:
https://doi.org/10.1016/j.biombioe.2012.10.015
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