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Difference between revisions of "Drying"
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Lars Krause (talk | contribs) |
Stef Denayer (talk | contribs) m (→Pre-treatment) |
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| Product = Dry biomass | | Product = Dry biomass | ||
|Name=Drying|Category=[[Pre-processing]] ([[Pre-processing#Separation_technologies|Separation technologies]]), [[Post-processing]] ([[Post-processing#Separation_technologies|Separation technologies]])}} | |Name=Drying|Category=[[Pre-processing]] ([[Pre-processing#Separation_technologies|Separation technologies]]), [[Post-processing]] ([[Post-processing#Separation_technologies|Separation technologies]])}} | ||
<onlyinclude>'''Drying''' technologies are based on the vaporisation/evaporation or sublimation of different liquids or solids under different gas atmospheres and physical conditions resulting in dry products or products with a desired humidity.</onlyinclude> | <onlyinclude> | ||
'''Drying''' technologies are based on the vaporisation/evaporation or sublimation of different liquids or solids under different gas atmospheres and physical conditions resulting in dry products or products with a desired humidity. | |||
</onlyinclude> | |||
== Feedstock == | == Feedstock == | ||
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=== Pre-treatment === | === Pre-treatment === | ||
In view of the energy costs involved in drying, this technology is of limited use in pre-treatment. The need to dry biomass feedstocks before they can for example be gasified, can place a large energy and capital cost burden on small-to-medium scale biomass gasification plants for the production of heat and power. Drying may not always be unavoidable, but as biomass moisture content to the gasifier increases, the quality of the product gas deteriorates along with the overall performance of the whole system. | |||
== Process and technologies == | == Process and technologies == | ||
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=== Post-treatment === | === Post-treatment === | ||
Drying is a widely used process in industry worldwide, with many different reasons: to save weight, to make transport easier, to extend the shelf life of food, to obtain a product that can be further processed, etc. | |||
The importance of drying efficiency has increased significantly due to high energy costs and increasingly stringent customer quality requirements. | |||
== Technology providers == | == Technology providers == | ||