Production of Aviation Fuel-Range Hydrocarbons Through Catalytic Co-Pyrolysis of Polystyrene and Southern Pine

被引:0
|
作者
Kemp, Ayden [1 ]
Rahman, Tawsif [1 ,2 ]
Jahromi, Hossein [1 ,2 ]
Adhikari, Sushil [1 ,2 ]
机构
[1] Auburn Univ, Dept Biosyst Engn, Auburn, AL 36849 USA
[2] Auburn Univ, Ctr Bioenergy & Bioprod, Auburn, AL 36849 USA
关键词
sustainable aviation fuels (SAFs); pine; polystyrene; pine pyrolysis; plastic pyrolysis; co-pyrolysis; catalytic pyrolysis; catalytic co-pyrolysis; ZSM-5; red mud; BIOMASS; WASTE; JET; PLASTICS; REACTOR; YIELD;
D O I
10.3390/catal14110806
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Sustainable aviation fuels (SAFs), produced from waste and renewable sources, are a promising means for reducing net greenhouse gas emissions from air travel while still maintaining the quality of air transportation expected. In this work, the catalytic co-pyrolysis of polystyrene and pine with red mud (bauxite residue) and ZSM-5 catalysts at temperatures of 450 degrees C, 500 degrees C, and 550 degrees C was investigated as a method for producing aromatic hydrocarbons with carbon numbers ranging from 7 to 17 for use as additives to blend with SAF produced through other methods to add the required quantity of aromatic molecules to these blends. The maximum yield of kerosene-range aromatic hydrocarbons was 620 mg per gram of feedstock (62% of feedstock was converted to kerosene-range hydrocarbons) obtained at 550 degrees C in the presence of ZSM-5. Additionally, it was noted that a positive synergy exists between pine and polystyrene feedstocks during co-pyrolysis that cracks solid and liquid products into gaseous products similarly to that of a catalyst. The co-pyrolysis of pine and polystyrene without a catalyst produced on average 17% or 36.3 mg more kerosene-range hydrocarbons than predicted, with a maximum yield of 266 mg of C7-C17 aromatic hydrocarbons per gram of feedstock (26.6% conversion of initial feedstock) obtained at 550 degrees C.
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页数:24
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