TORREFACTION Meaning and
Definition
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Torrefaction is a thermal treatment process that involves the application of heat to biomass materials, such as wood, crop residues, and agricultural waste, in the absence of oxygen. This process aims to remove moisture content and volatiles from the biomass, resulting in a dry and brittle material with increased energy density and improved combustion properties. Torrefied biomass is often used as a feedstock in various energy applications, such as power generation, heating, and biofuel production.
During torrefaction, biomass is heated to temperatures ranging from 200 to 300 degrees Celsius in a controlled environment. This thermal treatment causes physical and chemical changes in the biomass, including the expulsion of water and other volatile compounds, depolymerization of cellulose, hemicellulose, and lignin, and the condensation of lignin to enhance the material's energy content.
The benefits of torrefaction include increased energy density, reduced moisture content, enhanced grindability, improved hydrophobicity, and increased stability during storage and transportation. Torrefaction also decreases the emission of harmful pollutants, such as sulfur, nitrogen, and particulate matter. The resulting torrefied biomass can be easily pulverized into a fine powder, making it a suitable substitute for coal in power plants or a viable feedstock for renewable liquid fuels.
In summary, torrefaction is a thermal treatment process that transforms biomass into a more energy-dense and stable material, offering a range of environmental and practical advantages for various energy applications.
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Parching or drying by heat; a pharmaceutical operation for rendering drugs friable.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for TORREFACTION
- rorrefaction
- forrefaction
- gorrefaction
- yorrefaction
- 6orrefaction
- 5orrefaction
- tirrefaction
- tkrrefaction
- tlrrefaction
- tprrefaction
- t0rrefaction
- t9rrefaction
- toerefaction
- todrefaction
- tofrefaction
- totrefaction
- to5refaction
- to4refaction
- toreefaction
- tordefaction
Etymology of TORREFACTION
The term "torrefaction" derives from the Latin word "torrere", which means "to dry or parch". It entered the English language in the mid-17th century through the French word "torréfaction". The French term originated from the Latin "torrefactus", the past participle of "torrefacere", which combines "torrere" with the verb "facere" meaning "to make". The word "torrefaction" is specifically used to describe a process of drying or roasting, often applied to the drying of certain materials like wood or coffee beans.
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