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Charcoal and activated carbon at elevated pressure

Conference ·
OSTI ID:126498
; ;  [1]
  1. Univ. of Hawaii at Manoa, Honolulu, HI (United States); and others
High quality charcoal has been produced with very high yields of 50% to 60% from macadamia nut and kukui nut shells and of 44% to 47% from Eucalyptus and Leucaena wood in a bench scale unit at elevated pressure on a 2 to 3 hour cycle, compared to commercial practice of 25% to 30% yield on a 7 to 12 day operating cycle. Neither air pollution nor tar is produced by the process. The effects of feedstock pretreatments with metal additives on charcoal yield are evaluated in this paper. Also, the influences of steam and air partial pressure and total pressure on yields of activated carbon from high yield charcoal are presented.
OSTI ID:
126498
Report Number(s):
CONF-950402--
Country of Publication:
United States
Language:
English

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