Activated carbon from cherry stones

Michael G. Lussier, Jeffrey C. Shull, Dennis J. Miller

Research output: Contribution to journalArticle

  • 117 Citations

Abstract

Fruit stones constitute a significant waste disposal problem for the fruit-processing industry. High-quality activated carbon can be produced from waste cherry stones: the activated carbon is low in impurities and has an adsorption capacity that compares favorably with commercial activated carbons. Activation at 800°C in steam for 2-3 hours, following initial carbonization, produces an activated carbon in about 10% yield (by weight) of the initial cherry stone. The activated carbons produced have surface areas (CO2 adsorption) as high as 1200 m2/g and CCl4 numbers of 70-80. Activation in carbon dioxide requires higher temperatures (900°C) and gives a carbon of slightly lower activity. Carbon from the hull, or hard outer portion of the fruit stone, provides essentially all of the adsorption capacity; the inner kernel does not form a microporous material. The hull structure is dominated by 0.4-micron pores which facilitate access to internal microporosity. This structure requires that the carbon be ground to less than 75 micron particles to achieve reasonable adsorption rates.

LanguageEnglish (US)
Pages1493-1498
Number of pages6
JournalCarbon
Volume32
Issue number8
DOIs
StatePublished - 1994

Profile

Activated carbon
Fruits
Adsorption
Carbon
Chemical activation
Microporous materials
Microporosity
Steam
Carbonization
Carbon Monoxide
Waste disposal
Carbon Dioxide
Carbon dioxide
Impurities
Processing
Industry
Temperature

Keywords

  • Activated carbon
  • cherry stones

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Lussier, M. G., Shull, J. C., & Miller, D. J. (1994). Activated carbon from cherry stones. Carbon, 32(8), 1493-1498. DOI: 10.1016/0008-6223(94)90144-9

Activated carbon from cherry stones. / Lussier, Michael G.; Shull, Jeffrey C.; Miller, Dennis J.

In: Carbon, Vol. 32, No. 8, 1994, p. 1493-1498.

Research output: Contribution to journalArticle

Lussier, MG, Shull, JC & Miller, DJ 1994, 'Activated carbon from cherry stones' Carbon, vol 32, no. 8, pp. 1493-1498. DOI: 10.1016/0008-6223(94)90144-9
Lussier MG, Shull JC, Miller DJ. Activated carbon from cherry stones. Carbon. 1994;32(8):1493-1498. Available from, DOI: 10.1016/0008-6223(94)90144-9
Lussier, Michael G. ; Shull, Jeffrey C. ; Miller, Dennis J./ Activated carbon from cherry stones. In: Carbon. 1994 ; Vol. 32, No. 8. pp. 1493-1498
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