沈阳大学学报（自然科学版）2023，Vol.35Issue(6)：464-470,7.
牛粪生物炭对沥青加热释放的VOCs的吸附性能
Adsorption Performance of Cow Manure Biochar on VOCs Released by Heated Asphalt
摘要
Abstract
The effects of preparation temperature,addition amount,adsorption time and asphalt heating temperature on the adsorption of VOCs released by heated asphalt were investigated,and the adsorption characteristics were analyzed.The results show that when the preparation temperature of cow dung biochar was 600 ℃,the dosage of biochar was 10 g,the heating temperature of asphalt was 160 ℃,and the adsorption time was 20 min,the adsorption effect of cow dung biochar on VOCs released by asphalt heating was the best,and the removal rate was the highest(88.69％).The thermodynamic analysis of the adsorption process of VOCs released by bitumen heated by biochar from cow dung was carried out.Langmuir equation was more consistent with the adsorption characteristics,and the adsorption process was mainly single molecule adsorption.The process of adsorption of VOCs released by bitumen heated by bovine dung biochar was analyzed,and the quasi-second-order kinetic equation was more consistent with the adsorption characteristics,suggesting that chemisorption occurred.关键词
牛粪/生物炭/吸附/加热沥青/VOCsKey words
cow dung/biochar/adsorption/heating asphalt/VOCs分类
资源环境引用本文复制引用
林静雯,张带军,吴浩,牛晓巍,吴国昊..牛粪生物炭对沥青加热释放的VOCs的吸附性能[J].沈阳大学学报（自然科学版）,2023,35(6):464-470,7.基金项目
国家自然科学基金青年科学基金资助项目(21507091). （21507091）
