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Yazid Bindar
Institut Teknologi Bandung
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Pengembangan Integrated Energy Decision Framework Berbasis Iso 50001 dan Simulasi Proses Untuk Optimasi Sistem Utilitas Industri Petrokimia Daryanto Daryanto; Anton Irawan; Alia Badra Pitaloka; Yazid Bindar
Jurnal Indonesia Sosial Teknologi Vol. 7 No. 7 (2026): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v7i7.9213

Abstract

Penerapan ISO 50001:2018 melalui energy review telah banyak digunakan untuk mengidentifikasi Energy Baseline (EnB), Energy Performance Indicator (EnPI), dan Significant Energy Use (SEU), namun pendekatan ini belum mampu memberikan rekomendasi kondisi operasi optimum untuk meningkatkan efisiensi energi secara terukur. Penelitian ini bertujuan mengembangkan Integrated Energy Decision Framework yang mengintegrasikan energy review dengan simulasi proses sebagai dasar pengambilan keputusan operasional pada sistem utilitas industri. Studi dilakukan di Plant C industri petrokimia melalui tahapan data cleansing, perhitungan konsumsi energi, penyusunan EnB dan EnPI menggunakan regresi linier, serta identifikasi SEU melalui analisis Pareto. Unit absorption refrigerator yang teridentifikasi sebagai SEU dimodelkan menggunakan perangkat lunak simulasi proses dan dioptimasi melalui sensitivity analysis terhadap temperatur generator, temperatur cooling water, dan laju alir refrigeran. Hasil penelitian menunjukkan bahwa peningkatan laju alir refrigeran memberikan kinerja terbaik dengan penurunan konsumsi steam sebesar 6,4–11,9% dan peningkatan Coefficient of Performance (COP) sebesar 7,6–14,9%. Steam ekses hasil optimasi selanjutnya dapat dimanfaatkan untuk meningkatkan pembangkitan listrik melalui steam turbine generator atau mengurangi konsumsi gas alam pada boiler sesuai kebutuhan utilitas. Integrasi energy review dan simulasi proses terbukti menghasilkan kerangka pendukung keputusan yang lebih efektif dibandingkan pendekatan konvensional, sehingga mampu meningkatkan efisiensi energi sekaligus memberikan manfaat ekonomi pada sistem utilitas industri. Penelitian ini berkontribusi pada pengembangan ilmu manajemen energi industri melalui integrasi sistem manajemen energi berbasis ISO 50001 dengan optimasi proses, serta menyediakan dasar ilmiah bagi pengambilan keputusan operasional yang adaptif dalam meningkatkan efisiensi energi dan menurunkan biaya operasi pada industri kimia dengan sistem utilitas terintegrasi.
Process Simulation and Optimization of Green Hydrogen Production from Rubberwood Sawdust Pellets Via Gasification Using Unisim Design for Oil Refining Basuki Rahmad Saleh; Irdam Ahmad; Herlina Juni Risma Saragih; Agus Adriyanto; Abdul Rozak Kodarif; Fauzi Yusupandi; Damayanti; Muhammad Rifqi; Hanif Fawaz Za’im; Yazid Bindar
Scientific Contributions Oil and Gas Vol 49 No 3 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i3.2172

Abstract

Indonesia pushes to expand renewable energy to create growing interest in low carbon hydrogen. Rubberwood processing generates large volumes of sawdust that are commonly pelletized for fuel, offering a locally available biomass feedstock for hydrogen rich gas production. This study evaluates the potential of producing green hydrogen from rubberwood sawdust pellets through gasification using process simulation. Feedstock properties were determined through proximate and ultimate analyses and implemented in a two stage simulation framework consisting of pyrolysis followed by gasification. The model was validated against published experimental data for steam gasification of wood residue, and the deviation between predicted and reference gas compositions was evaluated using the root mean square error. After validation, sensitivity analyses were conducted at a gasifier temperature of 700 °C for three gasifying agent configurations: steam only, steam with air, and steam with oxygen. Under steam-only operation, increasing S/B from 0 to 1.0 increased H₂ from approximately 44 to 56 mol%, while HEE increased from about 27 to 36% and LHV decreased from about 11.4 to 8.6 MJ/Nm³. Under steam plus air, increasing S+E/R to about 1.0 reduced H₂ from approximately 56 mol% to near zero while CO₂ increased from about 30 to 85 mol%. Under steam plus oxygen, increasing O/B to 1.0 reduced H₂ from approximately 56 to 22 mol% and increased CO₂ from about 30 to 73 mol%. Overall, the results indicate that steam rich and oxygen lean operation is the most favorable pathway for enhancing hydrogen rich gas production from rubberwood sawdust pellets and provide a simulation basis for selecting operating conditions to support national energy resilience.
Co-Authors Abdul Rozak Kodarif Adriyanto, Agus Alia Badra Pitaloka Anton Irawan Basuki Rahmad Saleh Damayanti Daryanto Daryanto Fauzi Yusupandi Hanif Fawaz Za’im Herlina Juni Risma Saragih Irdam Ahmad Muhammad Rifqi