文献类型：期刊文献

英文题名：Catalytic microwave-assisted pyrolysis of plastic waste to produce naphtha for a circular economy

作者：Dai, Leilei[1];Zhao, Hailong[2];Zhou, Nan[3];Cobb, Kirk[1];Chen, Paul[1];Cheng, Yanling[1,4];Lei, Hanwu[5];Zou, Rongge[5];Wang, Yunpu[6];Ruan, Roger[1]

第一作者：Dai, Leilei

通讯作者：Ruan, R[1]

机构：[1]Univ Minnesota, Ctr Biorefining, 1390 Eckles Ave, St Paul, MN 55108 USA;[2]Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Cont, Beijing 100084, Peoples R China;[3]Zhejiang Univ Technol, Inst Energy & Power Engn, Liuhe Rd 288, Hangzhou 310023, Peoples R China;[4]Beijing Union Univ, Biochem Engn Coll, 18,Fatouxili 3 Area, Beijing 100023, Peoples R China;[5]Washington State Univ, Dept Biol Syst Engn, Richland, WA 99354 USA;[6]Nanchang Univ, Engn Res Ctr Biomass Convers, State Key Lab Food Sci & Technol, Minist Educ, Nanchang 330047, Peoples R China

第一机构：Univ Minnesota, Ctr Biorefining, 1390 Eckles Ave, St Paul, MN 55108 USA

通讯机构：[1]corresponding author), Univ Minnesota, Ctr Biorefining, 1390 Eckles Ave, St Paul, MN 55108 USA.

年份：2023

卷号：198

外文期刊名：RESOURCES CONSERVATION AND RECYCLING

收录：;EI(收录号：20233614691041);Scopus(收录号：2-s2.0-85169818964);WOS:【SCI-EXPANDED(收录号:WOS:001058562400001)】；

基金：We acknowledge the financial support from the National Natural Science Foundation of China (52170141, 21878137) , China Scholarship Council (CSC) , Resynergi, the University of Minnesota MnDrive Environment Program MNE12, and the University of Minnesota Center for Biorefining. Parts of this work were carried out in the Characterization Facility, University of Minnesota, which receives partial support from NSF through the MRuSEC program.

语种：英文

外文关键词：Plastic waste; Catalytic cracking; Hierarchical; ZSM-5; Naphtha

摘要：Catalytic cracking of plastics into naphtha as a substitute for new plastic production has the potential to contribute to the plastic circular economy. However, mitigating catalyst deactivation in large-scale processes poses a significant challenge. Here, we demonstrate a remarkable improvement (4.3 x to 12.3 x) in catalyst lifetime by utilizing hierarchical ZSM-5 catalysts compared to conventional analogues. Increasing the Bronsted acid concentration from 0 to 302 & mu;mol/g enhances catalyst lifetime by over 46 x and boosts cumulative aromatic selectivity from 6 to 73%. Catalyst characterization reveals the development of significant voids after modification, enhancing molecular transport within the hierarchical ZSM-5. Economic analysis shows a pilot system with a 10 ton/day capacity yielding an annual profit of $344,999 and an 11.5% return on investment. Life cycle assessment indicates a reduction of 817.6 kg CO2 eq compared to traditional plastic-to-fuels technology. These findings advance the plastic circular economy and bring us closer to commercial implementation.