Characterization of biochar derived from three types of biomass

Taek Keun Oh, BongSu Choi, Yoshiyuki Shinogi, Jiro Chikushi

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We examined the physico-chemical properties of the biochar produced from orange peel, residual wood, and water treatment sludge at different pyrolytic temperatures from 300 to 700'C In the peel biochar (OPB) and wood biochar (RWB), pH and carbon content tended to increase with increasing pyrolytic temperature and were higher than those in the sludge biochar (WSB). The electrical conductivity of the OPB was the highest, while specific surface area of the RWB was the highest among the three types of biochar. The specific surface area was relatively high in any biochar. Any biochar surface displayed by scanningelectron-micrographs revealed many hollow channels and very heterogeneous forms. Unlike the WSB, surface functional groups of the OPB and RWB were similar in intensity and shape. From characteristic results of pH, specific surface area, and functional groups, the biochar derived from orange peel, residual wood, and water treatment sludge may have a possibility to be used as an environmental-cost effective soil amendment and adsorbent.

Original languageEnglish
Pages (from-to)61-66
Number of pages6
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume57
Issue number1
Publication statusPublished - Feb 2012

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biochar
Biomass
biomass
Sewage
sludge
wood treatment
orange peels
surface area
Water Purification
water treatment
Electric Conductivity
Temperature
adsorbents
soil amendments
electrical conductivity
temperature
physicochemical properties
Soil
Carbon
Costs and Cost Analysis

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Biotechnology

Cite this

Characterization of biochar derived from three types of biomass. / Oh, Taek Keun; Choi, BongSu; Shinogi, Yoshiyuki; Chikushi, Jiro.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 57, No. 1, 02.2012, p. 61-66.

Research output: Contribution to journalArticle

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