Co-pyrolysis of waste plastics and black liquor catalyzed by Mo-Ni/HZSM-5 for preparing high-quality bio-oil

被引:3
作者
Jia, Yanlong [1 ,2 ]
Wang, Mengyan [1 ,2 ]
Li, Bolun [1 ,2 ]
Liu, Jiang [1 ,2 ]
Song, Xueping [1 ,2 ]
Wu, Min [1 ,2 ]
Yin, Yongjun [1 ,2 ]
机构
[1] Guangxi Univ, Coll Light Ind & Food Engn, Nanning 530004, Guangxi, Peoples R China
[2] Guangxi Key Lab Clean Pulp & Papermaking & Pollut, Nanning 530004, Guangxi, Peoples R China
关键词
Pulping black liquor; Waste plastics; Catalytic pyrolysis; Bio-oil; Hydrocarbons; BIOMASS PYROLYSIS; LIGNIN; POLYETHYLENE; POLYMERS; WOOD; GASIFICATION; AROMATICS; CELLULOSE; HZSM-5; FUEL;
D O I
10.1016/j.jaap.2024.106540
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
To solve the long-term environmental pollution caused by black liquor and waste plastics, and achieve highvalue utilization, the method about co -pyrolysis of black liquid solid and waste plastics (Polypropylene, Polyethylene) catalyzed by Mo-Ni/HZSM-5 to prepare high -quality bio-oil is studied. The results found that hydrocarbons increased from 14.92% to 42.03% as Polyethylene was co-pyrolyzed with BLS, and hydrocarbons increased from 14.92% to 41.75% as Polypropylene was co-pyrolyzed with BLS, adding plastics can significantly improve the hydrocarbons yield of black liquor. Mo-Ni/HZSM-5 acts as a hydro deoxidizer in the pyrolysis of black liquid and waste plastics, the total hydrocarbons of black liquid solid, black liquid solid & Polypropylene, black liquid solid & Polyethylene increased by 6%, 78%, and 45%, respectively. An appropriate increase of pyrolysis temperature can promote the co -pyrolysis of BLS with PP, and BLS with PE, and can increase the yield of hydrocarbons. Compared with black liquor 's pyrolysis, the yield of hydrocarbons can be increased by 59.65% and 24.52% as Polyethylene or Polypropylene is adapted to pyrolysis with black liquid solid, respectively, the high -quality bio-oil is obtained because of a large number of hydrocarbons and high hydrogen content.
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页数:14
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