Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile

Biomass stands out as a promising availability source of sustainable carbon energy due to its low pollution profile and versatile applications. This study investigates the multistage catalytic gasification (MCG) of coconut shells, employing thermal and catalytic cracking processes in a two-step gasi...

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Main Authors: Apri Wiyono, Muhammad Aziz, Agus Sholehudin, Yusep Sukrawan, Purnawan, Rani Anggrainy, G.T.M Kadja, Nugroho Agung Pambudi
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:South African Journal of Chemical Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1026918524000209
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author Apri Wiyono
Muhammad Aziz
Agus Sholehudin
Yusep Sukrawan
Purnawan
Rani Anggrainy
G.T.M Kadja
Nugroho Agung Pambudi
author_facet Apri Wiyono
Muhammad Aziz
Agus Sholehudin
Yusep Sukrawan
Purnawan
Rani Anggrainy
G.T.M Kadja
Nugroho Agung Pambudi
author_sort Apri Wiyono
collection DOAJ
description Biomass stands out as a promising availability source of sustainable carbon energy due to its low pollution profile and versatile applications. This study investigates the multistage catalytic gasification (MCG) of coconut shells, employing thermal and catalytic cracking processes in a two-step gasification approach. Local source catalysts, including dolomite, kaolin, and zeolite, were utilized as eco-friendly additives at temperatures ranging from 200 to 300 °C. Zeolite emerged as the most effective catalyst, producing the highest energy content at 6.21 MJ/kg. Conversely, kaolin resulted in higher CO2 emissions. A blend of zeolite and kaolin achieved the highest energy content at 5.43 MJ/kg. However, the combined use of catalysts showed negligible improvements compared to individual catalysts. The study demonstrates that multistage catalytic gasification enhances syngas production and reduces tar content during the gasification of coconut shells. Optimal pyrolysis temperatures were identified within the 500–600 °C range. In conclusion, the introduction of multiple stages in the catalytic cracking process ensures a stable breakdown of hydrocarbon chains, promoting the exposure of gasification products to lighter compounds. Multistage catalytic gasification enhances oxygen supply for oxidation, thereby improving syngas production while mitigating tar and ash content.
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spelling doaj.art-cee96146a788421bbe553cd8818f723f2024-02-18T04:39:21ZengElsevierSouth African Journal of Chemical Engineering1026-91852024-04-0148246253Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profileApri Wiyono0Muhammad Aziz1Agus Sholehudin2Yusep Sukrawan3 Purnawan4Rani Anggrainy5G.T.M Kadja6Nugroho Agung Pambudi7Department of Automotive Engineering Education, Faculty of Technology and Vocational Education, Indonesia University of Education Setiabudi No.229, Bandung 40154, Indonesia; Correspondent author.Institute of Industrial Science, The University of Tokyo4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, JapanDepartment of Mechanical Engineering Education, Faculty of Technology and Vocational Education, Bandung 40154, Universitas Pendidikan, IndonesiaDepartment of Automotive Engineering Education, Faculty of Technology and Vocational Education, Indonesia University of Education Setiabudi No.229, Bandung 40154, IndonesiaDepartment of Mechanical Engineering Education, Faculty of Technology and Vocational Education, Bandung 40154, Universitas Pendidikan, IndonesiaDepartment of Mechanical Engineering, Faculty of Engineering, State University of Jakarta, Rawamangun Muka 13220, Jakarta, IndonesiaDepartment of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl Ganesha 10, Bandung 40132, IndonesiaDepartment of Mechanical Engineering Education, Teacher Training and Education Faculty, Sebelas Maret University, Sutami No.36, Surakarta 57126, Indonesia; Correspondent author.Biomass stands out as a promising availability source of sustainable carbon energy due to its low pollution profile and versatile applications. This study investigates the multistage catalytic gasification (MCG) of coconut shells, employing thermal and catalytic cracking processes in a two-step gasification approach. Local source catalysts, including dolomite, kaolin, and zeolite, were utilized as eco-friendly additives at temperatures ranging from 200 to 300 °C. Zeolite emerged as the most effective catalyst, producing the highest energy content at 6.21 MJ/kg. Conversely, kaolin resulted in higher CO2 emissions. A blend of zeolite and kaolin achieved the highest energy content at 5.43 MJ/kg. However, the combined use of catalysts showed negligible improvements compared to individual catalysts. The study demonstrates that multistage catalytic gasification enhances syngas production and reduces tar content during the gasification of coconut shells. Optimal pyrolysis temperatures were identified within the 500–600 °C range. In conclusion, the introduction of multiple stages in the catalytic cracking process ensures a stable breakdown of hydrocarbon chains, promoting the exposure of gasification products to lighter compounds. Multistage catalytic gasification enhances oxygen supply for oxidation, thereby improving syngas production while mitigating tar and ash content.http://www.sciencedirect.com/science/article/pii/S1026918524000209Multistage catalytic gasificationZeoliteCatalyst poreEnergyCatalyzer
spellingShingle Apri Wiyono
Muhammad Aziz
Agus Sholehudin
Yusep Sukrawan
Purnawan
Rani Anggrainy
G.T.M Kadja
Nugroho Agung Pambudi
Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
South African Journal of Chemical Engineering
Multistage catalytic gasification
Zeolite
Catalyst pore
Energy
Catalyzer
title Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
title_full Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
title_fullStr Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
title_full_unstemmed Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
title_short Syngas optimization and tar reduction via multistage catalytic gasification: Effects of catalyst pore, catalyzer stage, and temperature profile
title_sort syngas optimization and tar reduction via multistage catalytic gasification effects of catalyst pore catalyzer stage and temperature profile
topic Multistage catalytic gasification
Zeolite
Catalyst pore
Energy
Catalyzer
url http://www.sciencedirect.com/science/article/pii/S1026918524000209
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