NTP再生La改性多级孔HZSM-5及催化提质生物油的试验研究

朱勇晨; 李小华; 张小雷; 胡超; 董文斌; 程静峰; 邵珊珊

doi:10.11949/j.issn.0438-1157.20181525

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NTP再生La改性多级孔HZSM-5及催化提质生物油的试验研究

催化、动力学与反应器 | 更新时间：2026-07-24

- NTP再生La改性多级孔HZSM-5及催化提质生物油的试验研究
- Study on regeneration of La modified multistage pore HZSM-5 by NTP and catalytic upgrading of bio-oil
- 化工学报 2019年70卷第5期页码：1795-1803
- 作者机构：
  
  江苏大学汽车与交通工程学院，江苏镇江 212013
- 作者简介：
  
  朱勇晨(1994—)，男，硕士研究生，1092280926@qq.com
  李小华(1971—)，男，博士，教授，lixiaohua@ujs.edu.cn
- 基金信息：
  
  国家自然科学基金项目(51706090);江苏省高等学校自然科学研究重大项目(17KJA470002)
- DOI：10.11949/j.issn.0438-1157.20181525
  中图分类号： TQ 35
- 收稿：2018-12-28，
  
  修回：2019-02-20，
  
  网络首发：2026-07-24，
  
  纸质出版：2019-05-05
- 稿件说明：
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朱勇晨, 李小华, 张小雷, 胡超, 董文斌, 程静峰, 邵珊珊. NTP再生La改性多级孔HZSM-5及催化提质生物油的试验研究[J]. 化工学报, 2019, 70(5): 1795-1803

ZHU Yongchen, LI Xiaohua, ZHANG Xiaolei, HU Chao, DONG Wenbin, CHENG Jingfeng, SHAO Shanshan. Study on regeneration of La modified multistage pore HZSM-5 by NTP and catalytic upgrading of bio-oil[J]. CIESC Journal, 2019, 70(5): 1795-1803
朱勇晨, 李小华, 张小雷, 胡超, 董文斌, 程静峰, 邵珊珊. NTP再生La改性多级孔HZSM-5及催化提质生物油的试验研究[J]. 化工学报, 2019, 70(5): 1795-1803 DOI： 10.11949/j.issn.0438-1157.20181525.

ZHU Yongchen, LI Xiaohua, ZHANG Xiaolei, HU Chao, DONG Wenbin, CHENG Jingfeng, SHAO Shanshan. Study on regeneration of La modified multistage pore HZSM-5 by NTP and catalytic upgrading of bio-oil[J]. CIESC Journal, 2019, 70(5): 1795-1803 DOI： 10.11949/j.issn.0438-1157.20181525.

摘要

以氧气为气源，利用低温等离子体（NTP）喷射系统，在不同温度下对结焦失活的La改性多级孔HZSM-5分子筛进行再生，采用TG、XRD、Py-IR及N

吸附-脱附等测试技术对再生前后催化剂的理化性质进行表征，并利用再生催化剂进行在线催化提质生物油试验。结果表明，再生温度为250℃时，失活La改性多级孔HZSM-5分子筛再生效果最好，去除了97.4%的积炭，其表面结晶度、酸性、比表面积和孔容恢复程度最高。再生温度上升至300℃时，O

分解较多，此时O

分解已经成为积炭氧化分解的限制因素，排气中CO

和CO浓度峰值减小，失活催化剂再生效果有所下降。再生温度为250℃时，再生催化剂催化性能恢复最好，制得的生物油高位热值最大（36.48 MJ/kg），烃类含量最高（40.51%），其理化性质与新鲜催化剂制得的生物油理化性质最接近。

Abstract

Regeneration experiments of La modified multistage pore HZSM-5 zeolite were carried out at different regeneration temperatures by non-thermal plasma (NTP) spray system with oxygen as gas source. The physicochemical properties of La modified multistage pore HZSM-5 zeolite before and after regeneration were characterized by TG

XRD

Py-IR and N

adsorption-desorption. The experiments of on-line catalytic upgrading of bio-oil were carried out over regenerated catalyst. The results showed that when regeneration temperature was 250℃

the deactivated La modified multistage pore HZSM-5 zeolite had the best regeneration effect

97.4% of coke was removed

and the surface crystallinity

acidity

specific surface area and pore volume recovery were the best. When regeneration temperature rose to 300℃

the decomposition amount of O

was more. At this time

the decomposition of O

had become the limiting factor for oxidative decomposition of coke. The peaks of CO

and CO concentration decreased

and the regeneration effect of deactivated catalyst declined. When regeneration temperature was 250℃

the catalytic performance recovery of regenerated catalyst was the best. The bio-oil produced by regenerated catalyst had the highest heating value (36.48 MJ/kg) and the highest hydrocarbon content (40.51%)

and its physical and chemical properties were closest to that of bio-oil produced by fresh catalyst.

关键词

Keywords

references

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