Damayanti Damayanti, Yeni Ria Wulandari, David Septian Marpaung, Didik Supriyadi, Dian Tessa Yohana, Desi Riana Saputri, Andri Sanjaya, Yunita Fahni, Taharuddin Taharuddin, Ho Shing Wu
Effective catalysts for the thermal depolymerization of biomass present an attractive way to reduce energy consumption. This study investigated the effect of spent ZSM-5 catalysts on product distribution through thermal catalytic depolymerization. The spent catalyst has similar properties to the commercial fresh catalysts, as assessed through characterization analysis. The utilization of spent catalysts can enhance the production of bio-oil. The bio-oil yields for rice straw, brown solid, alkaline, and dealkaline lignin by catalytic depolymerization are 11%, 31%, 6%, and 21%, respectively. Therefore, depolymerization using a spent catalyst is a promising method to degrade lignocellulose. © 2023 The Authors
Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec, Lampung Selatan, Jati Agung, 35365, Indonesia; Department of Chemical Engineering and Materials Science, Yuan Ze University, 135 Yuan Tung Road Chung Li, Taoyuan, 320315, Taiwan; Study Program of Industrial Chemical Engineering Technology, Lampung State Polytechnic, Indonesia; Department of Biosystems Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec, Lampung Selatan, Jati Agung, 35365, Indonesia; Department of Chemical Engineering, University of Lampung, Jl. Prof. Dr. Ir. Sumantri Brojonegoro No.1, Gedong Meneng, Kec. Rajabasa, Lampung, Kota Bandar Lampung, 35141, Indonesia
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