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废旧松木粉的催化快速热解在固体基,酸和基酸合催化剂上

Jinhong Zhang¹, Yansheng Huang², Daniel Takyi Sekyere²

¹State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum, Qingdao 266580, China; Shandong Engineering and Technology Research Center of High Carbon Energy Low Carbonization, China University of Petroleum, Qingdao 266580, China.

Bioresource technology

|January 7, 2024

概括

这项研究探索了通过热解将松树粉转化为有价值的化学物质的催化剂. 基酸合催化剂,特别是CaO-Ca₁₂Al₁₄O₃₃和Zn/ZSM-5,有效地产生了像BTX这样的芳香物.

科学领域:

催化剂是一种催化剂.
生物质转换生物质转换
热解是一种热解过程.

背景情况:

催化热解提供了高价值的生物质利用.
松木粉是一种易于获得的生物质原料.
开发高效的催化剂对于生物质价值化至关重要.

研究的目的:

为了研究固体基,酸泽奥利特和基-酸合催化剂对松粉热解的作用.
在脱氧,芳香和产品选择性方面评估催化剂性能.
确定最佳的催化剂系统,从生物质中生产有价值的化学物质.

主要方法:

使用了热解气体染色学和质谱学 (Py-GC/MS).
测试了各种固体基催化剂 (CaO,CaAl-1,CaAl-2,CaAl-3),其中包括:
评估了酸化催化剂 (ZSM-5,Fe/ZSM-5,Co/ZSM-5,Ni/ZSM-5,Cu/ZSM-5,Zn/ZSM-5) 和并联催化剂.

主要成果:

酸泽奥利特催化剂增强了脱氧和芳香化,有利于芳香化合物.
固基催化剂产生了更多的和.
Zn/ZSM-5显示出优异的脱氧和芳香选择性 (70.42%).
基酸合催化促进了阿利法基和BTX (,,) 的形成.
这种CaO-Ca₁₂Al₁₄O₃₃和Zn/ZSM-5合催化剂 (1:3比) 产生的BTX含量最高 (44.35%).

结论:

基酸合催化是将松树粉转化为有价值的化学物质的一个有前途的策略.
特定的催化剂组合,如CaO-Ca₁₂Al₁₄O₃₃ & Zn/ZSM-5,显著提高BTX的生产.
催化剂设计在引导生物质热解向所需化学产品方面发挥着至关重要的作用.

关键词:

酸催化作用的催化作用基本催化作用的基础催化作用生物质是生物质中的一部分.催化性热解是一种催化性热解.协同催化剂的协同催化

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