Production of bio-oil rich in acetic acid and phenol from fast pyrolysis of palm residues using a fluidized bed reactor: Influence of activated carbons. (November 2016)

• Record Type: Journal Article
• Authors: Jeong, Jae-Yong; Lee, Uen-Do; Chang, Won-Seok; Jeong, Soo-Hwa
• Is Part Of: Bioresource technology. Volume 219(2016)
• Page Start: 357
• Page End: 364
• Publication Date: 2016-11
• Subjects: Pyrolysis -- Palm residues -- Activated carbon -- Acetic acid -- Phenol; Biomass -- Periodicals; Biomass energy -- Periodicals; Bioremediation -- Periodicals; Agricultural wastes -- Periodicals; Factory and trade waste -- Periodicals; Organic wastes -- Periodicals; Bioénergie -- Périodiques; Déchets agricoles -- Périodiques; Déchets industriels -- Périodiques; Déchets organiques -- Périodiques; Déchets (Combustible) -- Périodiques; 662.88
• DOI: 10.1016/j.biortech.2016.07.107
• Languages: English
• ISSNs: 0960-8524

Abstract

Highlights: Palm residues with activated carbons were pyrolyzed in a bench-scale (3 kg/h) fast pyrolysis plant. Coal-derived activated carbon had positive influence on the formation of phenol. Aqueous phase of bio-oils was mostly comprised of acetic acid and water. Viscous phase of bio-oils appeared to be available to the phenolic resin synthesis. Abstract: In this study, palm residues were pyrolyzed in a bench-scale (3 kg/h) fast pyrolysis plant equipped with a fluidized bed reactor and bio-oil separation system for the production of bio-oil rich in acetic acid and phenol. Pyrolysis experiments were performed to investigate the effects of reaction temperature and the types and amounts of activated carbon on the bio-oil composition. The maximum bio-oil yield obtained was approximately 47 wt% at a reaction temperature of 515 °C. The main compounds produced from the bio-oils were acetic acid, hydroxyacetone, phenol, and phenolic compounds such as cresol, xylenol, and pyrocatechol. When coal-derived activated carbon was applied, the acetic acid and phenol yields in the bio-oils reached 21 and 19 wt%, respectively. Finally, bio-oils rich in acetic acid and phenol could be produced separately by using an in situ bio-oil separation system and activated carbon as an additive.