Co-pyrolysis of sugarcane bagasse and polystyrene with ex-situ catalytic bed of metal oxides/HZSM-5 with focus on liquid yield

被引：63

作者：

Iftikhar, Hera ^{[1
]}

Zeeshan, Muhammad ^{[1
]}

Iqbal, Saeed ^{[2
]}

Muneer, Bushra ^{[1
]}

Razzaq, Madiha ^{[1
]}

机构：

[1] Natl Univ Sci & Technol, IESE, Sch Civil & Environm Engn, H-12 Campus, Islamabad 44000, Pakistan

[2] Natl Univ Sci & Technol, Us Pakistan Ctr Adv Studies Energy, H-12 Campus, Islamabad 44000, Pakistan

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 289卷

关键词：

Catalytic co-pyrolysis; HZSM-5; Pyrolysis oil; Bi-functional catalyst; Dual-catalyst bed; LOW-DENSITY POLYETHYLENE; BIO-OIL YIELD; PINE SAWDUST; BIOMASS; WASTE; HZSM-5; CAO; KINETICS; VAPORS; WOOD;

D O I：

10.1016/j.biortech.2019.121647

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Catalytic co-pyrolysis of sugarcane bagasse (SCB) and polystyrene (PS) was conducted in a fixed bed reactor over microporous HZSM-5, mesoporous metal oxides (MgO, CaO) and their blends to examine the effect on pyrolytic liquid yields and quality. Though the catalyst addition decreased the liquid yield, improvement in mono-aromatic hydrocarbon yield with the least content of oxygenates was achieved in the catalytic trials. Results revealed that HZSM-5 showed maximum conversion efficiency of acids, furans and phenols acting as hydrocarbon source for aromatic production. Basic MgO, with acidic HZSM-5, was found to conduce better catalytic performance yielding improved oil quality compared to HZSM-5:CaO catalyst. Mass ratio of 1:3 HZSM-5:MgO exhibited most eminent synergistic effect with maximum (56.8 wt%) mono-aromatic hydrocarbon (MAH) yield and lowest (20.8 wt%) poly-aromatic hydrocarbon (PAH) content. Additionally, increased calorific value and density upgradation comparable to standard diesel fuel quality were observed in the presence of dual catalyst layout.

引用

页数：9

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