Comparison of biochar properties from biomass residues produced by slow pyrolysis at 500°C

Yongwoon Lee, Jinje Park, Changkook Ryu, Ki Seop Gang, Won Yang, Young Kwon Park, Jinho Jung, Seunghun Hyun

Research output: Contribution to journalArticle

192 Citations (Scopus)

Abstract

Application of biochar from biomass pyrolysis to soil is gaining greater interest; this can ameliorate the soil quality, reduce fertilizer consumption, and sequestrate carbon. This study compares the characteristics of biochar produced by slow pyrolysis at 500. °C for agricultural residues: sugarcane bagasse, cocopeat, paddy straw, palm kernel shell (PKS) and umbrella tree. In the biochar yield, the influence of the inert and lignin contents was significant. The wood stem, bagasse and paddy straw had biochar yields of 24-28. wt.% from the organic fraction while cocopeat had 46. wt.%. The carbon content of biochar ranged from 84. wt.% to 89. wt.%, which corresponded to 43-63% of carbon in the biomass. The biochar from wood stem and bagasse had well-developed pores of various sizes with large surface areas. Although the surface area was significant, PKS biochar had dense matrix with few large pores. The elemental composition and pH of biochars were also compared.

Original languageEnglish
Pages (from-to)196-201
Number of pages6
JournalBioresource Technology
Volume148
DOIs
Publication statusPublished - 2013 Nov 1

Fingerprint

Bagasse
pyrolysis
Biomass
Pyrolysis
Straw
straw
Carbon
carbon
Wood
biomass
surface area
stem
shell
Soils
Agricultural wastes
Fertilizers
Lignin
soil quality
lignin
fertilizer

Keywords

  • Agricultural residues
  • Biochar
  • Biomass
  • Forestry residues
  • Slow pyrolysis

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Comparison of biochar properties from biomass residues produced by slow pyrolysis at 500°C. / Lee, Yongwoon; Park, Jinje; Ryu, Changkook; Gang, Ki Seop; Yang, Won; Park, Young Kwon; Jung, Jinho; Hyun, Seunghun.

In: Bioresource Technology, Vol. 148, 01.11.2013, p. 196-201.

Research output: Contribution to journalArticle

Lee, Yongwoon ; Park, Jinje ; Ryu, Changkook ; Gang, Ki Seop ; Yang, Won ; Park, Young Kwon ; Jung, Jinho ; Hyun, Seunghun. / Comparison of biochar properties from biomass residues produced by slow pyrolysis at 500°C. In: Bioresource Technology. 2013 ; Vol. 148. pp. 196-201.
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