改性MCM-41催化纤维素木质素与聚丙烯共热解制生物油模拟研究

李延吉; 宋朝辉; 王磊; 于想; 吴雨桐

doi:10.19912/j.0254-0096.tynxb.2025-0262

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改性MCM-41催化纤维素木质素与聚丙烯共热解制生物油模拟研究

更新时间：2026-07-22

- 改性MCM-41催化纤维素木质素与聚丙烯共热解制生物油模拟研究
- Vol. 47, Issue 6, Pages: 482-488(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2025-0262
  CLC： S216
- Online First：08 July 2026，
  
  Published：2026
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李延吉, 宋朝辉, 王磊, et al. 改性MCM-41催化纤维素木质素与聚丙烯共热解制生物油模拟研究[J]. 2026, 47(6): 482-488.
DOI：

李延吉, 宋朝辉, 王磊, et al. 改性MCM-41催化纤维素木质素与聚丙烯共热解制生物油模拟研究[J]. 2026, 47(6): 482-488. DOI： 10.19912/j.0254-0096.tynxb.2025-0262.

摘要

利用浸渍法制备Cu、Fe、Co和Ni元素改性的MCM-41介孔分子筛催化剂

并对改性后的催化剂进行X射线衍射（XRD）和比表面积（BET）表征分析

探究不同金属改性催化剂的物理化学结构等特性。通过热重-傅里叶变换红外光谱联用（TG-FTIR）、热解-气相色谱/质谱联用（Py-GC/MS）等实验体系探究对催化共热解中纤维素及木质素与聚丙烯（PP）间协同反应及热解产物分布的影响。结果表明

在MCM-41的催化共热解中

MCM-41可促进生物质与PP之间的相互反应

芳烃和轻烃产率增加。相比MCM-41

改性MCM-41可促进轻烯烃、C5~C11脂肪烃和芳烃的析出。Cu、Fe和Co改性可促进单环芳烃的形成。相较于MCM-41

MP-M/Fe中烯烃析出占比最高

达到59.68%; XP-M/Fe中轻质烯烃析出占比最高

达到32.84%; XP-M/Co中烷烃析出占比最高

达到34.22%; 其他各组烯烃烷烃在热解产物析出占比中均有提高。

Abstract

In this paper

MCM-41 mesoporous molecular sieve catalysts modified by Cu

Co and Ni elements were prepared by impregnation method. XRD and BET characterization analyses were carried out on the modified catalysts to explore the physicochemical structures and other characteristics of catalysts modified by different metals.The effects of co-pyrolysis of cellulose

lignin and polypropylene （PP） on the synergistic reaction and the distribution of pyrolysis products were investigated by TG-FTIR and Py-GC/MS. The results show that MCM-41 can promote the reaction between biomass and PP

and the yields of aromatics and light hydrocarbons are increased. Compared with MCM-41

modified MCM-41 can promote the precipitation of light olefins

C~C aliphatic hydrocarbons and aromatics. Cu

Fe and Co modification can promote the formation of monocyclic aromatics. Compared with MCM-41

MP-M/Fe has the highest proportion of olefin precipitation

reaching 59.68%

and XP-M/Fe has the highest proportion of light olefin precipitation

reaching 32.84%. XP-M/Co has the highest proportion of alkane precipitation

reaching 34.22%. The proportion of other groups of alkenes and alkanes in the pyrolysis products increases.

关键词

Keywords

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