EFFECT OF DUAL ACTIVE SITE SUPPORTED CARBON FIXING MATERIAL ON CARBON FIELD OF BAMBOO POWDER PYROLYSIS

Zhang Zhitao; Zhang Shuanglin; Li Wen; Yang Shuquan

doi:10.19912/j.0254-0096.tynxb.2025-0566

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (8) : 20-25. DOI: 10.19912/j.0254-0096.tynxb.2025-0566

EFFECT OF DUAL ACTIVE SITE SUPPORTED CARBON FIXING MATERIAL ON CARBON FIELD OF BAMBOO POWDER PYROLYSIS

Zhang Zhitao, Zhang Shuanglin, Li Wen, Yang Shuquan

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Abstract

Design a dual active sites system of K₂CO₃ and P₂O₅ as active sites, using over-dried bamboo powder as the supporting additive, and prepare the supported carbon fixative via a rotary evaporation method. Subsequently, we investigate the effect of this carbon fixative on biomass pyrolysis is investigated. Experimental results exhibit that the addition of the carbon fixative increases the solid residue yield during bamboo powder pyrolysis from 49.7% to 53.1%, while the calorific value of the carbon products remains unaffected. Characterization data confirm that the carbon fixation of the material is attributed to its unique three-dimensional network structure, which promotes the secondary pyrolysis of pyrolysis gas and thereby enhances the solid residue yield. Meanwhile, the ash content of bamboo charcoal slightly increases from 0.86% to 0.96% after adding the carbon fixative, demonstrating no significant impact on charcoal combustion characteristics.

Key words

biomass / pyrolysis / bamboo / dual active sites / rotary evaporation method / supported carbon fixative

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Zhang Zhitao, Zhang Shuanglin, Li Wen, Yang Shuquan. EFFECT OF DUAL ACTIVE SITE SUPPORTED CARBON FIXING MATERIAL ON CARBON FIELD OF BAMBOO POWDER PYROLYSIS[J]. Acta Energiae Solaris Sinica. 2026, 47(8): 20-25 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0566

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