STUDY ON BIOMASS PYROLYSIS CHARACTERIZATION AND KINETICS OF WASTE DRIED DISTILLER&#x02019;S GRAINS

Xu Qing; Peng Weichao; Yang Wei; Ling Changming

doi:10.19912/j.0254-0096.tynxb.2020-1299

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (7) : 424-429. DOI: 10.19912/j.0254-0096.tynxb.2020-1299

STUDY ON BIOMASS PYROLYSIS CHARACTERIZATION AND KINETICS OF WASTE DRIED DISTILLER’S GRAINS

Xu Qing, Peng Weichao, Yang Wei, Ling Changming

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Abstract

By studying the composition of Distiller’s grains and its pyrolysis in the temperature range of 50-900 °C, the TG/DTG results show that the initial pyrolysis temperature of DG is 137 ℃ and the fastest pyrolysis rate of 6%∙min^-1 is obtained at a pyrolysis temperature of 305 ℃. 3D-FTIR data shows that the main gaseous products of DG are CO₂, CH₄, ketones, aldehydes, acids and amines. The kinetic behavior of DG was analyzed by the Distributed Activation Energy Model （DAEM） and Flynn-Wall-Ozawa （FWO） method, which showed that the activation energy of DG was 76.49 kJ/mol at the initial stage of pyrolysis and 160 kJ/mol at the steady stage.

Key words

biomass / pyrolysis / thermogravimetric analysis / activation energy / distiller's grains

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Xu Qing, Peng Weichao, Yang Wei, Ling Changming. STUDY ON BIOMASS PYROLYSIS CHARACTERIZATION AND KINETICS OF WASTE DRIED DISTILLER’S GRAINS[J]. Acta Energiae Solaris Sinica. 2022, 43(7): 424-429 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1299

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