碱处理脱硅介孔分子筛催化脱氧断键制生物航油研究

张泽; 程军; 仇亿; 郭浩; 杨卫娟; 刘建忠

doi:10.11949/0438-1157.20190166

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碱处理脱硅介孔分子筛催化脱氧断键制生物航油研究

更新时间：2026-07-24

- 碱处理脱硅介孔分子筛催化脱氧断键制生物航油研究
- Hydrodeoxygenation and hydrocracking to produce jet biofuel catalyzed by mesoporous zeolite desilicated with NaOH treatment
- 化工学报 2019年70卷第8期页码：2919-2927
- 作者机构：
  
  浙江大学能源清洁利用国家重点实验室，浙江杭州 310027
- 作者简介：
  
  张泽（1993—），男，博士研究生，zhangze@zju.edu.cn
  程军（1974—），男，博士，教授，juncheng@zju.edu.cn
- 基金信息：
  
  国家重点研发计划项目(2017YFE0122800);国家自然科学基金项目(51476141)
- DOI：10.11949/0438-1157.20190166
  中图分类号： TK 6
- 收稿：2019-03-01，
  
  修回：2019-05-15，
  
  网络首发：2026-07-24，
  
  纸质出版：2019-08-05
- 稿件说明：
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张泽, 程军, 仇亿, 郭浩, 杨卫娟, 刘建忠. 碱处理脱硅介孔分子筛催化脱氧断键制生物航油研究[J]. 化工学报, 2019, 70(8): 2919-2927

ZHANG Ze, CHENG Jun, QIU Yi, GUO Hao, YANG Weijuan, LIU Jianzhong. Hydrodeoxygenation and hydrocracking to produce jet biofuel catalyzed by mesoporous zeolite desilicated with NaOH treatment[J]. CIESC Journal, 2019, 70(8): 2919-2927
张泽, 程军, 仇亿, 郭浩, 杨卫娟, 刘建忠. 碱处理脱硅介孔分子筛催化脱氧断键制生物航油研究[J]. 化工学报, 2019, 70(8): 2919-2927 DOI： 10.11949/0438-1157.20190166.

ZHANG Ze, CHENG Jun, QIU Yi, GUO Hao, YANG Weijuan, LIU Jianzhong. Hydrodeoxygenation and hydrocracking to produce jet biofuel catalyzed by mesoporous zeolite desilicated with NaOH treatment[J]. CIESC Journal, 2019, 70(8): 2919-2927 DOI： 10.11949/0438-1157.20190166.

摘要

采用NaOH处理Y分子筛脱硅改性为梯度介孔分子筛，并负载镍制成双功能催化剂转化脂肪酸甲酯脱氧断键制成生物航油。微观测试表明：NaOH脱硅分子筛有效形成2~10 nm介孔，并造成一定程度的晶体结构膨胀。镍负载于NaOH处理1 h的脱硅梯度介孔Y分子筛作催化剂时，比表面积和孔容显著提高到554.9 m

/g和0.340 cm

/g。催化十六酸甲酯得到航油产物的选择性达到65.8%，并含有较高的异构烷烃（19.1%）及合适的芳香烃（12.8%），展现出良好的燃料特性。作为脱氧断键反应的副产物，气相产物中CH

选择性高达25.2%，CO

稳定在12%左右。虽然航油产物的整体选择性随NaOH处理时间变化较大，但各组分含量相对稳定，说明NaOH脱硅处理的梯度介孔Y分子筛保持了良好的催化转化制航油性能。

Abstract

To enhance the mass transfer efficiency of bio-oil inside the zeolite based catalyst and improve the catalytic selectivity of jet biofuel product

conventional Y zeolite was modified into hierarchical mesoporous Y (meso-Y) zeolite by desilication and loaded with Ni to catalyze the conversion of fatty acid methyl ester (FAME) into jet biofuel. Mesopores in the range of 2 to 10 nm were effectively generated by desilication with NaOH and a certain degree of crystal structure expansi

on was caused accordingly. When Ni was loaded on meso-Y zeolite treated with 0.4 mol/L NaOH for 1 h

BET surface area and specific pore volume were increased to 554.9 m

/g and 0.340 cm

respectively. A maximum of jet biofuel product selectivity (65.8%) was hence obtained. Iso-alkanes and arenes took up 19.1% and 12.8% within jet biofuel product

guaranteeing the fuel characteristics. As by-products of both hydrodeoxygenation and hydrocracking

the selectivity of CH

in the gas phase product was up to 25.2%

and the CO

is stable at about 12%. Although the overall selectivity of jet biofuel product varied greatly with NaOH treatment duration

the proportion of each component remained stable. Desilication only modified the physical structure of meso-Y zeolite to enhance the mass transfer of reactants and products. Its chemical properties were preserved to maintain the catalytic activity.

关键词

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references

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