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Showing 1 to 20 of 22 for “"Torrefaction"”.
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Design and validation of a decentralized biomass torrefaction system
… raw biomass. A decentralized biomass torrefaction system has the potential to upgrade the quality and transportability of distributed biomass residues in situ, thereby creating additional localized economic values and mitigating the environmental consequences associated with open …
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Torrefaction and Steam Explosion of Selected Biomass for Biofuel Production
… processing methods, namely, steam explosion and torrefaction of selected biomass feedstocks (sawdust and oat straw), processing characteristics, and product properties. The study also discusses the economics of densifying biomass, outstanding challenges, the potential for industrial applications …
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Design of a control system for a mobile torrefaction reactor
… Center, work is being done to develop a mobile torrefaction reactor that can be used to aid those in developing countries in need of alternative sources of energy. A vital component of the reactor is developing an appropriate control system for the necessary components. The previous method of …
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Techno-Economic Feasibility of Distributed Torrefaction Systems Using Corn Stover Feedstock
… the economic feasibility of distributed torrefaction biorefining systems using corn stover feedstock to generate value-‐added products. Distributed torrefaction systems have the potential to operate on private agricultural enterprises as well as community-‐scale processing facilities, …
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Modeling the coupled effects of heat transfer. thermochemistry, and kinetics during biomass torrefaction
Torrefaction is a thermal pretreatment process which improves the energy density, storage, grinding, and handling characteristics of raw biomass. Research efforts to date have focused on empirical measurements of the fuel quality improvements caused by torrefaction at different temperature and …
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Design of a mobile torrefaction reactor for in-situ conversion of agricultural waste to solid biofuel
… treatments. One approach is a process known as torrefaction, which is a mild pyrolysis process that is shown to produce an energy-dense fuel with improved transport, storage, and feedstock characteristics. Particularly in the Indian context, there is a need for the development of a small-scale …
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Development of a to-scale fluid mixing visualization process for analysis of cold-flow mixing
Torrefaction is a process by which low energy density biomass is converted to a higher energy density biofuel, called char. Small-scale torrefaction systems are a promising technology for developing countries where large amounts of biomass go underutilized due to inaccessibility and transportation …
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Evaluating of Thermal Treatment of Canola Dockage
… as well as the effect of mild thermal treatment (torrefaction) on this material to change its fuel quality. In this project, primary results showed that dockage feedstock was comprised primarily of 65% (w/w) of seed pods with the bulk density of 73±5 g/l. Ash content and volatile matter of raw …
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Investigation of Torrefaction Process Parameters on Biomass Feed-Stock and CO2 Gasification of Torrefied and Pyrolysed Bio-char
Torrefaction is a thermo-chemical process, carried out at a relatively low temperature ranging from 200-300°C. This research focuses on torrefaction of flax straw at laboratory scale. A Thermo Gravimetric Analyzer (TGA) was used to study the effect of temperature, particle size and residence time …
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Avaliação da torrefação e densificação de resíduos agrícolas no Brasil
… face technical and logistical challenges. The torrefaction of biomass converts it into a coal-like product, while the densification concentrates its mass per unit of volume. Hence, these pretreatments simplify the bioenergy supply chain logistics. Therefore, this dissertation aims to develop a …
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Compaction behavior, mechanical properties, and moisture resistance of torrefied and non-torrefied biomass pellets
… properties have a potential to be improved by torrefaction, a thermal pretreatment process that removes hemicellulose. The intent in using torrefaction for biomass is to increase the carbon content and calorific value, as well as reduce the hydrophilic nature of woody-biomass. To facilitate the …
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Mechanical Property Evaluation of Torrefied Biomass Materials with Correlation to Grinding Efficiency
… bio-refineries costly. Due to this reason, torrefaction is required, where in the raw biomass is thermally treated in the absence of oxygen at relatively low temperature ranging from 200-300°C. This mild treatment both increases the energy density and facilitates grindability by …
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Upgrading biomass by hydrothermal and chemical conditioning
… known as hydrothermal carbonization and dry torrefaction. In dry torrefaction, also known as torrefaction or mild pyrolysis, dry solid biomass is treated in an inert gas environment in a temperature range of 200-300oC for more than one hour. In hydrothermal carbonization (HTC), also known as …
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Torrefied-Hydrochar Blend Wood Biomass Improvement for Fuel Pellet Production: A Tree-to-Customer Analysis
… focuses on wood biomass improvement using dry torrefaction in combination with a hydrothermal carbonization (HTC) binder made from the same feedstock for sale in the United Kingdom at a scale of approximately 100,000 metric tons per year. The primary mode of research was literary review. It was …
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Techno-economic and life cycle analysis of the conversion of natural gas and biomass to hydrogen and performance carbons
… The study also examines the impact of torrefaction as a pretreatment step before gasification to understand potential changes in process efficiency. Additionally, it explores the industrial potential for producing high-value carbon fibers and the necessary post-processing treatment …
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Lignin Transformation and Characterization of Pyrolytic Products
… lignin relative to the organosolvent method. Torrefaction at 350 °C provided higher lignin purity (93.1±3.2 wt%) than lignin extracted from PCG (89.2±2.5 wt%). Thermogravimetric analysis shows breakdown of β- O-4 linkages in the lignin by mass loss between 250 to 350°C. Pyrolytic bio-oil …
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Hydrothermal carbonization of waste biomass
… thermochemical processes, such as pyrolysis, torrefaction, gasification, etc., because it works in wet conditions (humidity content higher than 60%). As a matter of fact, biomass is transformed into hydrochar because of the properties of hot pressurized water, that acts both as a reactant and …
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Co-pyrolysis of torrefied biomass and coal : product evaluation and reaction modelling
… ratio) lead to various operational challenges. Torrefaction is considered to be one of the most promising pre-treatment methods for upgrading biomass fuel properties to become more similar to coal. During this process, the physical and chemical properties of biomass as fuel are improved by …
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