Supercritical Water Gasification of Guaiacol with Acetic Acid as a Radical Scavenger: Interaction Effect on Char Formation and Gas Composition | Zendy

Pattraporn Changsuwan | Zendy; Shuhei Inoue | Zendy; Yukihiko Matsumura | Zendy

Open Access

Supercritical Water Gasification of Guaiacol with Acetic Acid as a Radical Scavenger: Interaction Effect on Char Formation and Gas Composition

Author(s) -

Pattraporn Changsuwan,

Shuhei Inoue,

Yukihiko Matsumura

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c03506

Subject(s) - guaiacol , acetic acid , chemistry , scavenger , char , supercritical fluid , yield (engineering) , organic chemistry , composition (language) , nuclear chemistry , radical , catalysis , pyrolysis , materials science , philosophy , linguistics , metallurgy

Supercritical water gasification (SCWG) of mixtures of guaiacol and acetic acid was carried out in a continuous reactor at 600 °C and 25 MPa with a residence time of 94 s. Different concentrations of acetic acid were employed to investigate the effect of acetic acid on product yield and gas composition. The interaction between guaiacol and acetic acid during SCWG was discussed. Acetic acid, as a radical scavenger, was found to inhibit radical polymerization, resulting in the suppression of char formation.

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