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All Journal Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Bioteknologi & Biosains Indonesia (JBBI) ALCHEMY Jurnal Penelitian Kimia ASEAN Journal of Chemical Engineering Equilibrium Journal of Chemical Engineering International Journal of Renewable Energy Development Bulletin of Chemical Reaction Engineering & Catalysis
Joko Waluyo
Chemical Engineering, Sebelas Maret University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology

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Thermodynamic Study of Palm Kernel Shell Gasification for Aggregate Heating in an Asphalt Mixing Plant Firman Asto Putro; Sunu Herwi Pranolo; Joko Waluyo; Ary Setyawan
International Journal of Renewable Energy Development Vol 9, No 2 (2020): July 2020
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.9.2.311-317

Abstract

This study evaluated thermodynamically the performance of conversion of palm kernel shells into combustible gas through gasification technology for aggregate heating in a hot-mixed asphalt production plant by developing a thermodynamic model using licensed Aspen Plus v.11 software. The effects of the equivalence ratio (ER) in the gasification process and the amount of combustion air to combustible gas to attain the required aggregate temperature were investigated. The thermodynamic model showed a good agreement with the experimental results based H2 and CO contain in producer gas which provided by maximum root mean square errors value of 8.82 and 6.42 respectively. Gasification of 30–35 kg of palm kernel shells in a fixed-bed gasifier reactor using air as a gasifying agent at an ER of 0.325–0.350 generated gaseous fuel for heating 1 ton of aggregate to a temperature of 180–200°C with combustion excess air 10%–20%. 
Utilization of Modified Zeolite as Catalyst for Steam Gasification of Palm Kernel Shell Joko Waluyo; Petric Marc Ruya; Dwi Hantoko; Jenny Rizkiana; I.G.B.N. Makertihartha; Mi Yan; Herri Susanto
Bulletin of Chemical Reaction Engineering & Catalysis 2021: BCREC Volume 16 Issue 3 Year 2021 (September 2021)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.16.3.10837.623-631

Abstract

Syngas from biomass gasification is being developed for alternative feedstock in the chemical industry. Palm kernel shell which is generated from palm oil industry can be potentially used as raw material for gasification process. The purpose of this study was to investigate the use of modified natural zeolite catalysts in steam gasification of palm kernel shells. Mordenite type zeolite was modified by acid leaching to be used as a tar cracking catalyst. Steam gasification was conducted at the temperature range of 750–850 °C and the steam to biomass ratio was in the range of 0–2.25. The result showed that steam gasification of palm kernel shell with the addition of zeolite catalyst at 750 °C and steam to biomass ratio 2.25 could reduce tar content up to 98% or became 0.7 g/Nm3. In this study, gasification of palm kernel shells produced syngas with the hydrogen concentration in the range of 52–64% and H2/CO ratio of 2.7–5.7. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Optimizing Bioky Performance Using Super Small Vessel in Wastewater Treatment Installation at PT. X in Klaten Joko Waluyo; paryanto paryanto; Raihan Alamsyah; Deni Kurniawan; Ibnu Singgih Pranoto; Yulinar Pramesti Cahyani
Equilibrium Journal of Chemical Engineering Vol 8, No 1 (2024): Volume 8, No 1 July 2024
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v8i1.84831

Abstract

One of the causes of environmental pollution is liquid waste generated by industries, especially the printing industry. PT Macanan Jaya Cemerlang is one of the printing industries producing liquid waste that does not meet the quality standards. The purpose of this research is to optimize the performance of Bioky bacteria using the Super Small Vessel in the wastewater treatment plant at PT X Klaten. Treatment involves testing variables such as residence time and bacteria quantity's impact on TSS, MBAS, COD, BOD, pH, and ORP.The study employs anaerobic treatment with observed variables: residence time of 1; 2; and 3 days, and bacteria quantity of 2.4; 3.2; and 4 liters. Samples from each variable are then analyzed for pH, ORP, and TSS. COD, BOD, and MBAS are tested after obtaining the best TSS results from each variable.The research results indicate that longer residence time and increased bacteria quantity lead to greater reduction in TSS, COD, BOD, and MBAS, while pH approaches neutrality. Optimal conditions occur at a 3-day residence time with 4,0 liters of bacteria, resulting in a reduction of TSS, COD, BOD, and MBAS against the inlet by 99.75%, 95.47%, 94.84%, and 26.72%. Although the treated waste doesn't meet the established standards, it effectively reduces the pollution levels in PT X's wastewater. Keywords:Anaerobic, Efficiency, Printing Industry Liquid Waste, Super Small Vessel
Green Energy from Palm Kernel Shell Gasification – dual fuel engine performance analysis Firman Asto Putro; Sunu Herwi Pranolo; Joko Waluyo; Dwi Hantoko; Agapeano Aditama; Mochamad Wahyu Utomo
Equilibrium Journal of Chemical Engineering Vol 8, No 1 (2024): Volume 8, No 1 July 2024
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v8i1.83497

Abstract

Electricity generation in Indonesia is mainly generated from non-renewable fuels. Based on these problems, this research utilizes palm kernel shells to be converted into producer gas as secondary fuel for a 5 kW diesel engine. Through a gasification process equipped with a cooling and gas cleaning system, low tar gas is fed to the diesel engine with variations of gas flow rate ratio to combustion air. A dummy load is installed to investigate the effect of load on diesel consumption. The diesel engine vibration increases due to using two fuel types was measured by installing a vibration meter. The research results show that the higher the load and the greater the ratio of producer gas injected, the less diesel consumption. At a gas ratio of 4:1 and an increase of load from 1 to 5 kW, the diesel fuel flow rate reduces by 25 - 31%. The most significant reduction in diesel consumption occurred at a load of 5 kW, valued at 38.49%. On the other hand, increasing the gas ratio causes an increase in diesel engine vibration. The research results showed an increase in engine vibration of 5.84% - 10.25%. The largest vibration was recorded at a load of 5 kW with a value of 92.4 m/s².Keywords:Gasification, Palm Kernel Shell, Dual Fuel Engine, Diesel Consumption, Diesel Engine Vibration
Co-Authors Abdul Aziz Yudistira Agapeano Aditama Ameilia Ayu Safitri Ari Diana Susanti Ary Setyawan Awaludin Fitroh Rifa'i Bahaul Fahmi Al Haq Bregas Siswahjono Tatag Sambodo Candra Pangesti Setiawan Deni Kurniawan Dwi Hantoko Dwi Hantoko Fawnia Hanifah Fenny Tri Ariyani Firman Asto Putro Firman Asto Putro Firman Asto Putro Fuad Dimar Fauzi Hafidz Dhany Wicaksono Handhianto Mustofa Herri Susanto Herri Susanto I.G.B Ngurah Makertihartha I.G.B.N. Makertihartha Ibnu Singgih Pranoto Ibnu Singgih Pranoto Ida Maya Sari Jenni Prasetiyo Jenny Rizkiana Margono Margono Margono Margono Maudy Pratiwi Novia Matovanni Mi Yan Mochamad Wahyu Utomo Muhammad Ibrahim Hanif Muhammad Luthfi Maulana Muhammad Nur Ikhsanudin Mujtahid Kaavessina Paryanto Paryanto Paryanto Paryanto Petric Marc Ruya Prabang Setyono Raihan Alamsyah Rizky Ibnufaatih Arvianto Rizky Ridlo Ichlasul Amal Rosana Budi Setyawati Shafira Rachmadhani Sofiana Mukti Wigati Sperisa Distantina Sunu Herwi Pranolo Sunu Herwi Pranolo Sunu Herwi Pranolo Sunu Herwi Pranolo Sunu Herwi Pranolo Tobias Richards Wahyu Nur Hidayat Widya Anggraini Pamungkas Yulinar Pramesti Cahyani Yulinar Pramesti Cahyani Yusi Prasetyaningsih