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Evaluation of thermal properties and acetaldehyde adsorption performance of sustainable composites using waste wood and biochar
Environmental Research ( IF 8.3 ) Pub Date : 2021-02-24 , DOI: 10.1016/j.envres.2021.110910
Jisoo Jeon , Hyoung-il Kim , Ji Hun Park , Seunghwan Wi , Sumin Kim

In order to vitalize the use of wood, which is a sustainable resource, increase the utilization of resources through the recycling of wood waste, and reduce environmental pollution in the waste disposal process, biocomposite was manufactured by using biochar which can be produced with wood waste and is effective in carbon isolation. The thermal characteristics and acetaldehyde adsorption performance of the prepared biocomposite were evaluated based on the pore characteristics, surface functional groups, crystal structure, and elemental analysis results of the biochar. As a result of the experiment, as the content of biochar increased, the thermal conductivity of the biocomposite decreased and the specific heat was not affected. The acetaldehyde concentration tended to decrease as the content of biochar increased, adsorbed up to 4.4685 ppm of acetaldehyde more than the reference. From these results, it is judged that the biocomposite produced in this study can function as a sustainable composite that uses waste wood to improve indoor air quality and satisfies the performance as a building material.



中文翻译:

用废木材和生物炭评估可持续复合材料的热性能和乙醛吸附性能

为了使木材成为一种可持续的资源,通过循环利用木材废料来提高资源利用率,并减少废料处理过程中的环境污染,通过使用可与木材废料一起生产的生物炭来生产生物复合材料。对碳隔离有效。根据生物炭的孔特性,表面官能团,晶体结构和元素分析结果,评估了制备的生物复合材料的热特性和乙醛吸附性能。作为实验的结果,随着生物炭含量的增加,生物复合材料的热导率降低并且比热不受影响。随着生物炭含量的增加,乙醛浓度趋于降低,吸附至4。乙醛比基准多4685 ppm。根据这些结果,可以判断本研究中生产的生物复合材料可以作为可持续的复合材料发挥作用,该复合材料使用废木材来改善室内空气质量并满足建筑材料的性能要求。

更新日期:2021-03-07
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