e-Book A Study of Softwood Torrefaction and Densification: For the Production of High Quality Wood Pellets download

Torrefaction and densification of different species of softwood residues. A study of softwood torrefaction and densification for the production of high quality wood pellets. University of British Columbia, 2012.

Torrefaction and densification of different species of softwood residues. JH Peng, XT Bi, S Sokhansanj, CJ Lim. Fuel 111, 411-421, 2013. Study on density, hardness, and moisture uptake of torrefied wood pellets. JH Peng, HT Bi, CJ Lim, S Sokhansanj. Energy & Fuels 27 (2), 967-974, 2013. Optimum torrefaction and pelletization of biomass feedstock. S Sokhansanj, J Peng, CJ Lim, XT Bi, L Wang, PS Lam, JP Hoi, S Melin,.

Canada has become a major producer and exporter of wood pellets in the world. But the low water resistivity and the high transportation cost impede the market development. Torrefaction may provide a solution. The present study developed the torrefaction kinetics, studied the torrefaction reaction conditions in two bench-scale reactors, and identified the suitable conditions for making durable torrefied pellets in a press machine.

Torrefaction and densification of British Columbia (BC) softwoods, including pine, fir, spruce, SPF (a mixture of spruce, pine and fir) and pine bark, have been conducted for the production of high quality torrefied wood pellets

Torrefaction and densification of British Columbia (BC) softwoods, including pine, fir, spruce, SPF (a mixture of spruce, pine and fir) and pine bark, have been conducted for the production of high quality torrefied wood pellets. Results showed that the mass loss of BC softwood mainly depended on the torrefaction temperature and time.

Abstract High-pressure binderless compaction of wood processing residues and other biomass waste materials .

Abstract High-pressure binderless compaction of wood processing residues and other biomass waste materials, including hardwood, softwood, and bark in the forms of sawdust, mulches, and chips, were studied. A piston-and-mold (punch-and-die) process was used to produce densified logs (slugs) under room temperature and at pressures ranging from 34 to 138 MPa. The properties of the logs including density, abrasion resistance, impact resistance, compressive strength, water resistance, and long-ter. ONTINUE READING.

Upgraded wood pellets were produced and evaluated by torrefaction of. .

Upgraded wood pellets were produced and evaluated by torrefaction of wood pellets. In this study, conventional wood pellets were initially prepared and subsequently torrefied on a laboratory and then larger scale. C, the upgrade ratio of higher heating value (HHV) was nearly 30% and the energy yield was 97%. For the Japanese oak, the calorific values were improved by heat treatment up to 320°C. By heat treatment at 280°C, the upgrade ratio of HHV exceeded 30% and the energy yield was 84%.

Torrefaction of biomass, . wood or grain, is a mild form of pyrolysis at temperatures typically between 200 and 320 °C. Torrefaction changes biomass properties to provide a better fuel quality for combustion and gasification applications. Torrefaction produces a dry product with no biological activity like rotting. Torrefaction combined with densification creates an energy-dense fuel carrier of 20 to 21 GJ/ton lower heating value (LHV). Torrefaction makes the material undergo Maillard reactions.

Torrefaction is a well-known biomass pretreatment for energy densification and preservation enhancement, but . 2014) Comparative study of biomass fast pyrolysis and direct liquefaction for bio-oils production: product yield and characterizations. Energy&Fuel 28(8), 5103–5111.

2014) Comparative study of biomass fast pyrolysis and direct liquefaction for bio-oils production: product yield and characterizations.

Introduction to the wood pellet industry and markets Wood pellets are a renewable energy carrier . Torrefaction and international trade.

Introduction to the wood pellet industry and markets Wood pellets are a renewable energy carrier which is produced from sawdust or other ground woody materials. International standards define product requirements . Over the past 10 years, the production of wood pellets increased steadily, driven by a corresponding constantly rising demand.

Source1: Jianghong Peng, a Study of Torrefaction for the Productionof High QualityWood Pellets,Ph. Candidate, August 23, 2007 (British Columbia)Source2: Irmgard Herold, Biomass and Waste to Energy: Trends in Investment in theEU, BiomassIndustryDay, 1st July 2009, HamburgCost analysisCost item Source 2Source 1Vancouver S-Africa EuropeEuropeSawdust caseProduction60 80 56capacityProduct pellets pellets Torrefied pellets(ECN)Costs

Oxidative torrefaction of biomass residues and densification of torrefied .

Oxidative torrefaction of biomass residues and densification of torrefied sawdust to pellets. Congwei Wang, Jianghong Peng, Hui Li, Xiaotao T. Bi, Robert Legros, . Lim, and Shahab Sokhansanj. Bioresource Technology, 2013, Volume 127, Page 318. DOI: 1. 016/j. Jianghong Peng, Jingsong Wang, Xiaotao T. Bi, C. Jim Lim, Shahab Sokhansanj, Hanchao Peng, and Dening Jia. Fuel Processing Technology, 2015, Volume 129, Page 168. Thermal Decomposition Kinetics of Woods with an Emphasis on Torrefaction.