Synthesis of nanocrystalline cellulose induced hierarchical porous ZSM-5 for catalytic conversion of low-density polyethylene

被引：26
作者：
Duan, Dengle [1 ]
Zhang, Yongchuan [1 ]
Li, Juncheng [1 ]
Huang, Liyin [1 ]
Xu, Zhimin [2 ]
Zhang, Yayun [3 ]
Sun, Weimin [4 ]
Wang, Qin [1 ]
Ruan, Roger [5 ,6 ]
机构：
[1] Zhongkai Univ Agr & Engn, Guangdong Prov Key Lab Lingnan Special Food Sci &, Guangzhou 510225, Peoples R China
[2] Zhongkai Univ Agr & Engn, Coll Resources & Environm, Guangzhou 510225, Peoples R China
[3] East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
[4] Guangdong Inst Ecoenvironm Sci & Technol, Guangzhou 510650, Peoples R China
[5] Univ Minnesota, Ctr Biorefining, 1390 Eckles Ave, St Paul, MN 55108 USA
[6] Univ Minnesota, Dept Bioprod & Biosyst Engn, 1390 Eckles Ave, St Paul, MN 55108 USA
来源：
FUEL | 2023年 / 331卷
基金：
中国国家自然科学基金;
关键词：
Hierarchical ZSM-5; Nanocrystalline cellulose; Low -density polyethylene; Catalytic pyrolysis; Fuels; LIGNOCELLULOSIC BIOMASS; RANGE HYDROCARBONS; PLASTIC WASTE; CO-PYROLYSIS; ZEOLITES; AROMATICS; METHANOL; SEED;
D O I：
10.1016/j.fuel.2022.125757
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The catalytic pyrolysis of low-density polyethylene over hierarchical HZSM-5 zeolite was studied to improve liquid oil quality in a facile reactor for the first time. The HZZ was successfully synthesized by using green and inexpensive nanocrystalline cellulose as a mesoporous template. Nanocrystalline cellulose played a disturbing role in the crystallization process of hierarchical HZSM-5 zeolite, which facilitated the formation of ordered surface morphology and excellent porous structure. Compared with conventional HZSM-5, hierarchical HZSM-5 zeolite can significantly improve the bio-oil yield. The relative content of cycloalkanes increased while the relative content of aromatics decreased. The 94.4 area.% of jet fuel range hydrocarbons with 51.8 area.% cycloalkanes and 25.0 area.% of aromatics can be obtained. Hierarchical HZSM-5 zeolite with a low Si/Al ratio had high acidity favors high liquid yield and aromatic hydrocarbon selectivity. The current work contributes to the green synthesis of Hierarchical HZSM-5 zeolite while providing a novel catalyst for value-added fuels pro-duction from waste plastics pyrolysis.
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页数：9
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