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All Journal JURNAL SELULOSA Bulletin of Chemical Reaction Engineering & Catalysis
Teuku Beuna Bardant
Research Center for Chemistry, Indonesian Institute of Science, Komplek PUSPIPTEK Serpong Tangerang Banten 15413
Chemical Engineering, Chemistry & Bioengineering Chemistry Education

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Telaah Potensi Penerapan Teknologi Terkini pada Hidrolisis Selulosa dengan Sistem Pengendalian Terintegrasi dalam Proses Bioetanol G2 Ditia, Anissa; Bardant, Teuku Beuna; Utami, Amaliyah Rohsari Indah; Maryana, Roni; Irawan, Yan; Muryanto, Muryanto; Triwahyuni, Eka; Sudiyani, Yanni
JURNAL SELULOSA Vol 11, No 01 (2021): JURNAL SELULOSA
Publisher : Center for Pulp and Paper

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25269/jsel.v11i01.320

Abstract

Kajian ini merangkum teknologi dan inovasi sistem pengendalian yang berpotensi diterapkan dalam intensifikasi proses hidrolisis selulosa pada produksi bioetanol G2. Telaah dimulai dari perkembangan terbaru intensifikasi produksi bioetanol secara umum. Hidrolisis selulosa adalah tahapan pembeda antara proses bioetanol G2 dan generasi sebelumnya. Perhatian utama dalam intensifikasi hidrolisis selulosa adalah pada bagaimana hidrolisis selulosa terintegrasi dengan sistem pengendalinya dan integrasi hidrolisis selulosa dengan bagian hulu (pretreatment) dan hilir (penyulingan). Keunikan proses ini adalah durasi kerja yang membutuhkan 48 jam dan viskositas campuran yang tergantung waktu. Bagian akhir telaah ini memetakan potensi penerapan teknologi dan inovasi terbaru yang telah dirangkum. Pemetaan berdasarkan potensi peningkatan efisiensi dan potensi tambahan investasi. Sakarifikasi Very High Gravity (VHG) pada kecepatan pengadukan optimum dan intermitten dinilai sebagai pilihan paling menarik bila intensifikasi dilakukan pada unit produksi yang telah berdiri. Namun jika intensifikasi untuk rancangan pabrik baru, maka tangki hidrolisis yang dirancang dengan simulasi CFD, dilengkapi dengan sekat (baffles) yang bergerak terkendali, dan rancangan batang pengaduk (impeller) paling cocok menurut simulasi adalah pilihan menarik. Rancangan ini kemudian diintegrasikan dengan sistem pengendali yang mampu memperkirakan perubahan viskositas. Review on Potency of Application Recent Technology in the Integrated Process and Control on Cellulose Hydrolysis in Bioethanol G2 Production ProcessAbstractThis review listed current technologies and innovations in the control system which potentially applied in the intensification of cellulose hydrolysis as part of 2nd Generation Bioethanol production process. The review started from the general latest innovations in the 2nd Generation Bioethanol. Cellulose hydrolysis as the main characteristics in the 2nd Generation of Bioethanol required further attention in the intensification. Especially in how to integrate cellulose hydrolysis with its control system and to integrate it with upstream and downstream units. The special requirements in cellulose hydrolysis are 48 hours agitation duration and time-dependent mixture viscosity. At the end of the review, listed technologies were assessed to be applied in the 2nd Generation Bioethanol. The assessment was based on their potency in increasing process efficiency and the potency of required investment if they are applied. A Very High Gravity (VHG) saccharification at optimum intermittent agitation speed was a promising innovation for cellulose hydrolysis if intensification was conducted onto the existing production plant. If intensification is conducted to a plant design, building an agitation tank according to best Computational Fluid Dynamic (CFD) simulation, complemented with controlled moving baffles and best suitable impeller design is a promising design for efficient hydrolysis. This agitation tank was then completed with the advanced available control system, which is capable to adapt the viscosity changes.
Conversion of Sunan Candlenut Oil to Aromatic Hydrocarbons with Hydrocracking Process Over Nano-HZSM-5 Catalyst Al Muttaqii, Muhammad; Marbun, Maja Pranata; Sudibyo, Sudibyo; Aunillah, Asif; Pranowo, Dibyo; Hasanudin, Hasanudin; Rinaldi, Nino; Bardant, Teuku Beuna
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 1 Year 2024 (April 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20116

Abstract

In this paper, the catalysts (Nano-HZSM-5 and Fe-La/nano HZSM-5) were prepared with incipient wetness impregnation and applied for hydrocracking of Sunan candlenut oil. The hydrocracking process was conducted in a batch reactor with a pressure of 20-30 bar H2 gas for 2 h under various temperatures. The results demonstrated that hydrocracking of Sunan candlenut oil using nano HZSM-5 and Fe-La/NHZ catalysts could be converted into aromatic hydrocarbons, and the reaction temperature affected hydrocarbon production. The aromatic compounds, such as propyl-benzene, 1-ethyl-3-methylbenzene, heptyl-benzene, 2-ethyl-naphthalene, etc., reached 35.51% over the Fe-La/NHZ_2 catalyst. In all cases, the zeolite-based catalysts are the most suitable to produce aromatic hydrocarbons. Metal impregnated (Fe and La) on nano HZSM-5 catalyst could improve the aromatics compounds due to increased metal and acid sites. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Al Muttaqii, Muhammad Amaliyah Rohsari Indah Utami Asif Aunillah Dibyo Pranowo Ditia, Anissa Eka Triwahyuni, Eka Hasanudin Hasanudin Marbun, Maja Pranata MARIA BINTANG Maryana, Roni Muryanto Muryanto, Muryanto Nino Rinaldi Yan Irawan Yanni Sudiyani