双位点负载型固碳材料对竹粉热解得炭率的影响

张志桃; 张双林; 李文; 杨树全

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

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (8) : 20-25. DOI: 10.19912/j.0254-0096.tynxb.2025-0566

双位点负载型固碳材料对竹粉热解得炭率的影响

张志桃, 张双林, 李文, 杨树全

作者信息 +

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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文章历史 +

摘要

以K₂CO₃和P₂O₅为活性组分,竹粉为载体,采用旋转蒸发法制备得到负载型固碳材料,研究其对竹粉热裂解的影响。结果表明,在相同热裂解条件下,双位点负载型固碳材料使得竹粉热裂解得炭率由49.7%提至53.1%,而对应炭产品的空干基高位热值基本保持不变。表征结果表明,这一固碳作用主要是由于P、K活性组分在竹粉表面形成的三维立体网状结构,可有效促进热解气在竹粉表面的二次裂解过程,提高热裂解得炭率。而且,双位点负载型固碳材料的添加使得竹粉炭的灰分含量由0.86%提至0.96%,对竹粉炭的燃烧特性无显著影响。

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.

导出引用

张志桃, 张双林, 李文, 杨树全. 双位点负载型固碳材料对竹粉热解得炭率的影响[J]. 太阳能学报. 2026, 47(8): 20-25 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0566

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

中图分类号： TK6

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