Production of bio-based phenolic resin and activated carbon from bio-oil and biochar derived from fast pyrolysis of palm kernel shells

Gyung Goo Choi, Seung Jin Oh, Soon Jang Lee, Joo Sik Kim

Research output: Contribution to journalArticlepeer-review

152 Scopus citations

Abstract

A fraction of palm kernel shells (PKS) was pyrolyzed in a fluidized bed reactor. The experiments were performed in a temperature range of 479-555°C to produce bio-oil, biochar, and gas. All the bio-oils were analyzed quantitatively and qualitatively by GC-FID and GC-MS. The maximum content of phenolic compounds in the bio-oil was 24.8wt.% at ~500°C. The maximum phenol content in the bio-oil, as determined by the external standard method, was 8.1wt.%. A bio-oil derived from the pyrolysis of PKS was used in the synthesis of phenolic resin, showing that the bio-oil could substitute for fossil phenol up to 25wt.%. The biochar was activated using CO2 at a final activation temperature of 900°C with different activation time (1-3h) to produce activated carbon. Activated carbons produced were microporous, and the maximum surface area of the activated carbons produced was 807m2/g.

Original languageEnglish
Pages (from-to)99-107
Number of pages9
JournalBioresource Technology
Volume178
DOIs
StatePublished - 1 Feb 2015

Keywords

  • Activated carbon
  • Bio-oil
  • Fluidized bed
  • Palm kernel shells
  • Phenolic resin

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