酚基釜残深拔残渣分析及其热转化制备CO_(2)吸附材料  

Chemical Analysis of the Phenolic Tar Residue and Its Potential Conversion to CO_(2) Adsorbents by Thermal Treatment

作　　者：马媛 杜金泽 周静 隋红[1,2,3] 何林 李鑫钢[1,2,3] Ma Yuan;Du Jinze;Zhou Jing;Sui Hong;He Lin;Li Xingang(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;National Engineering Research Centre of Distillation Technology,Tianjin 300072,China;Collaborative Innovation Center of Chemical Science and Engineering,Tianjin 300072,China)

机构地区：[1]天津大学化工学院,天津300072 [2]精馏技术国家工程研究中心,天津300072 [3]天津化学化工协同创新中心,天津300072

出　　处：《化学工业与工程》2021年第1期43-52,共10页Chemical Industry and Engineering

基　　金：国家重点研发计划(2018YFC1902104)。

摘　　要：针对酚基釜残深拔后的固体残渣利用问题,对酚基釜残残渣进行成分分析并用热转化的方式对残渣进行资源化与无害化利用研究。分别以煤化工生产过程中的中低温煤焦油XJ和中低温煤焦油YN酚基釜残为例,在15 kPa,270和300℃条件下对其进一步深拔,收集2种釜残深拔后轻组分和釜内残留重质残渣。采用液质联用仪(LC-MS)、XRD、XRF和元素分析仪等手段,分析轻组分、釜残深拔残渣的重碳有机化合物和灰分组成;通过无氧热解的方法,对酚基釜残残渣进行热转化,分析热解产物形态和成分,并对深拔残渣进行N掺杂以制备高性能吸附材料,结果表明,采用酚基釜残深拔残渣制备多孔活性炭材料可用于CO_(2)吸附,CO_(2)最大吸附量可达2.94 mmol/g。基于上述初步研究结果,初步提出酚基深拔釜残资源化与无害化利用的可能途径,为后续工程化提供基础参考。Aiming at the utilization of solid residues after the vacuum distillation of phenol-based kettles,the composition analysis of phenol-based kettles residues was conducted firstly.And then we explored the resource utilization and harmless utilization of residues with the thermal conversion methods.Taking the mid-low temperature coal tar XJ and mid-low temperature coal tar YN phenol-based kettle residues as examples,the crude samples were vacuum distillated at 15 kPa,270℃and 15 kPa,300℃,respectively.After the deep vacuum distillation,the light components and heavy residues were analyzed using LCMS,XRD,XRF,element analyzer.Subsequently,the solid residue was treated by oxygen-free pyrolysis method and was modified by N-containing chemicals to prepare adsorbents.The morphology and composition of pyrolysis products were collected and analyzed.Results showed that the newly prepared adsorbents by phenol-based kettle residues performed well in adsorbing CO_(2) with the maximum CO_(2) adsorption capacity of 2.94 mmol/g.Based on the above preliminary research results,the possible ways of recycling and harmless utilization of phenol-based deep drawing kettle residues were initially proposed to provide a basic reference for engineering application.

关 键 词：酚基釜残 资源化利用 减压深拔 热转化 分析 

分 类 号：TE624.41[石油与天然气工程—油气加工工程]