Characteristics of biochar produced from slow pyrolysis of Geodae-Uksae 1

Yongwoon Lee, Pu Reun Byul Eum, Changkook Ryu, Young Kwon Park, Jinho Jung, Seunghun Hyun

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

This study investigated producing biochar from Geodae-Uksae 1 for soil applications to sequestrate carbon from the atmosphere and improve the productivity of crops. Using a lab-scale packed bed reactor, pyrolysis products of Geodae-Uksae 1 were produced over a temperature range of 300-700°C with a heating rate of 10°C/min. Pyrolysis at 500°C was found appropriate for biochar production considering the properties of char and the amount of heat required. It yielded biochar of 27.2wt.% that contained approximately 48% carbon in the raw biomass. The surface area of the biochar rapidly increased to 181m2/g. Large cylindrical pores with diameters of 5-40μm developed within the biochar due to the vascular cell structure of the parent biomass. The byproducts (bio-oil and gases) were also analyzed for use as fuel.

Original languageEnglish
Pages (from-to)345-350
Number of pages6
JournalBioresource Technology
Volume130
DOIs
Publication statusPublished - 2013 Feb 1

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pyrolysis
Biomass
Pyrolysis
Carbon
carbon
biomass
Packed beds
Heating rate
Crops
Byproducts
surface area
Productivity
heating
Soils
productivity
crop
atmosphere
oil
Gases
gas

Keywords

  • Biochar
  • Biomass
  • Geodae-Uksae 1
  • Miscanthus
  • Slow pyrolysis

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Characteristics of biochar produced from slow pyrolysis of Geodae-Uksae 1. / Lee, Yongwoon; Eum, Pu Reun Byul; Ryu, Changkook; Park, Young Kwon; Jung, Jinho; Hyun, Seunghun.

In: Bioresource Technology, Vol. 130, 01.02.2013, p. 345-350.

Research output: Contribution to journalArticle

Lee, Yongwoon ; Eum, Pu Reun Byul ; Ryu, Changkook ; Park, Young Kwon ; Jung, Jinho ; Hyun, Seunghun. / Characteristics of biochar produced from slow pyrolysis of Geodae-Uksae 1. In: Bioresource Technology. 2013 ; Vol. 130. pp. 345-350.
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