催化生物质焦油模型化合物热解规律的研究

doi:10.3969/j.issn.2097-0706.2023.05.007

综合智慧能源 ›› 2023, Vol. 45 ›› Issue (5): 63-69.doi: 10.3969/j.issn.2097-0706.2023.05.007

催化生物质焦油模型化合物热解规律的研究

陈文轩¹(), 李学琴¹^,², 刘鹏¹^,^*(), 李艳玲¹, 卢岩¹, 雷廷宙¹

1.常州大学城乡矿山研究院，江苏常州 213164
2.华东理工大学资源与环境工程学院能源化工系，上海 200237

收稿日期:2022-11-26 修回日期:2023-01-11 出版日期:2023-05-25
通讯作者: *刘鹏（1989），男，硕士生导师，博士，从事生物质资源高效利用的研究， liupeng@cczu.edu.cn。
作者简介:陈文轩（1998），男，在读硕士研究生，从事生物质催化热解方面的研究， chenwenxuan98@163.com。
基金资助:
国家自然科学基金项目(51906021);2020年民用飞机专项科研项目(MJ-2020-D-09);广东省重点领域研发计划项目(2020B0101070001)

Study on pyrolysis law of catalytic biomass tar model compounds

CHEN Wenxuan¹(), LI Xueqin¹^,², LIU Peng¹^,^*(), LI Yanling¹, LU Yan¹, LEI Tingzhou¹

1. Institute of Urban and Rural Mining， Changzhou University， Changzhou 213164， China
2. Department of Chemical Engineering for Energy Resources， School of Resources and Environmental Engineering， East China University of Science and Technology， Shanghai 200237， China

Received:2022-11-26 Revised:2023-01-11 Published:2023-05-25
Supported by:
Foundation of China(51906021);2020 Civil Aircraft Special Research Project(MJ-2020-D-09);Guangdong Province Key Field Research and Development Program(2020B0101070001)

摘要/Abstract

摘要：

为进一步开发可再生能源，探究了生物质焦油的催化转化路径。试验以分子筛为载体制备了Ni基分子筛催化剂，对生物质焦油相关模型化合物进行催化热解研究，考察了不同催化剂以及热解温度的影响。结果表明，Ni的负载很大程度上提高了催化剂的催化活性，促进了催化反应向气体产物方向进行；随着助剂金属Ca，Co的二次负载，金属间的相互作用进一步提高了催化剂的机械强度和反应稳定性。通过对热解温度的研究，发现随着温度升高，模型物转化率和热解气产率显著提高，高温促进了催化剂与模型物间的氢转移反应。各模型化合物在Ni?Ca?Co/HZSM?5的催化作用下，均可以从大分子有机物转化为小分子气体，其转化率可以达到90%以上。研究旨在为进一步深入研究焦油的催化转化奠定基础。

关键词: 镍基催化剂, 生物质焦油, 模型化合物, 催化热解, 金属助剂, 可再生能源

Abstract:

In order to expand the utilization of renewable energy，the catalytic conversion of biomass tar is explored. Nickel-based molecular sieve catalysts were prepared by using molecular sieve as the carrier. The effects of different catalysts and pyrolysis temperature on the catalytic pyrolysis of biomass tar model compounds were investigated. The results showed that Ni loading greatly increased the catalytic activity of the catalyst and promoted the gas product yield from the catalytic reaction. With the secondary loading of auxiliaries Ca and Co， the metal-metal interaction further improved the mechanical strength and reaction stability of the catalyst. Through the study on pyrolysis temperature， it was found that with the increase of temperature， the conversion rate and the pyrolysis gas yield of the model increased significantly. The high temperature promoted the hydrogen transfer reaction between the catalyst and the model. Catalyzed by Ni?Ca?Co/HZSM?5， the model compound can be converted from macro-molecular organic matter to small molecular gas， and the conversion rate reached more than 90%. The study lays a solid foundation for further study on biomass tar catalytic transformation.

Key words: nickel-based catalyst, biomass tar, model compound, catalytic pyrolysis, auxiliary metal, renewable energy

中图分类号:

陈文轩, 李学琴, 刘鹏, 李艳玲, 卢岩, 雷廷宙. 催化生物质焦油模型化合物热解规律的研究[J]. 综合智慧能源, 2023, 45(5): 63-69.

CHEN Wenxuan, LI Xueqin, LIU Peng, LI Yanling, LU Yan, LEI Tingzhou. Study on pyrolysis law of catalytic biomass tar model compounds[J]. Integrated Intelligent Energy, 2023, 45(5): 63-69.

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催化生物质焦油模型化合物热解规律的研究

Study on pyrolysis law of catalytic biomass tar model compounds

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