Evaluating industrial drying of cellulosic feedstock for bioenergy [electronic resource] : A systems approach

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 666.2 Enamels

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2016

Mô tả vật lý: Size: p. 47-55 : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 263767

 Here, a large portion of herbaceous and woody biomass must be dried following harvest. Natural field drying is possible if the weather cooperates. Mechanical drying is a certain way of reducing the moisture content of biomass. This paper presents an engineering analysis applied to drying of 10 Mg h<
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 ?1<
 /sup>
  (exit mass flow) of biomass with an initial moisture content ranging from 25% to 70% (wet mass basis) down to 10% exit moisture content. The requirement for hog fuel to supply heat to the dryer increases from 0.5 dry Mg to 3.8 dry Mg h<
 sup>
 ?1<
 /sup>
  with the increased initial moisture of biomass. The capital cost for the entire drying system including equipment for biomass size reduction, pollution control, dryer, and biomass combustor sums up to more than $4.7 million. The operating cost (electricity, labor, repair, and maintenance) minus fuel cost for the dryer alone amount to 4.05 Mg<
 sup>
 ?1<
 /sup>
  of dried biomass.
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