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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknik Unri Conference Series: Community Engagement Journal of Applied Materials and Technology Journal of Bioprocess Chemical and Environmental Engineering Science Jurnal Teknologi & Rekayasa Sipil International Journal of Renewable Energy Development JURNAL REKAYASA KIMIA & LINGKUNGAN
Edy Saputra
Chemical Engineering Department, Riau University, Kampus Bina Widya KM 12,5 Pekanbaru 28293
Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Bio-Oil dari Limbah Padat Sawit Saputra, Edy; Bahri, Saiful; Hs, Edward
Jurnal Rekayasa Kimia & Lingkungan Vol 6, No 2 (2007): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Bahan bakar minyak merupakan sumber energi terpenting untuk kehidupan manusia. Produksi bahan bakar minyak yang berasal dari bahan bakar fosil semakin hari semakin menurun. Untuk itu diperlukan suatu alternatif sumber energi yang dapat diperbaharui dalam menggantikan bahan bakar fosil, salah satunya adalah mengkonversikan biomas menjadi biooil. Dalam penelitian ini digunakan limbah padat sawit, yaitu batang dan tandan kosong sawit dengan ukuran partikel 2-6 dan 6-10 mesh. Proses yang digunakan untuk mengkonversikan limbah padat sawit pada penelitian ini yaitu slow pyrolysis. Proses ini dilakukan pada reaktor pipa stainless steel dengan diameter 3,81 cm dan panjang 60 cm, pada kisaran temperatur 450-600oC yang dialiri gas nitrogen. Hasil yield tertinggi dicapai pada suhu 500oC dengan diameter partikel 2-6 mesh. Produk bio-oil dilakukan analisa dengan menggunakan GC HP 5890 II. Pada produk bio-oil juga teridentifikasi adanya etanol, benzena, toluena dan xylen.Kata kunci: bio-oil, limbah padat sawit, pyrolysis
Optimasi Bio-char Hasil Proses Katalitik Pirolisis Palm Kernel Expeller (PKE) Menggunakan Katalis NiMo/NZA dengan Pendekatan RSM Sihotang, Fernando; Bahri, Syaiful; Saputra, Edy
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 6 No 2 (2025): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.6.2.110-121

Abstract

The increasing demand for renewable energy sources has driven interest in biomass-based alternatives, particularly bio-char derived from palm kernel expeller (PKE), an abundant by-product of Indonesia’s palm oil industry. This study aims to optimize bio-char production through catalytic pyrolysis of PKE using a NiMo/NZA catalyst, employing a Response Surface Methodology (RSM) with a Box-Behnken design. Key variables investigated include T (°C) (400–500 °C), catalyst loading (2–6%), and metal loading (0–4% wt). The NiMo/NZA catalyst was synthesized through acid activation, metal impregnation, and thermal treatment, and its structure was confirmed using FTIR analysis. Pyrolysis experiments were conducted in a fixed-bed reactor under nitrogen and hydrogen atmospheres. The highest bio-char yield of 39.38% was obtained at 400 °C with 2% catalyst and 4% metal loading. Optimization modeling using Minitab v.22 indicated that the optimal conditions were at 400 °C, 6% catalyst, and 2.91% metal loading, resulting in a predicted yield of 36.82% with a desirability of 0.979. Statistical analysis showed a significant influence of catalyst and metal loading over temperature on bio-char yield (p-value < 0.05; Adjusted R² = 0.9236). These results support the potential of catalytic pyrolysis with tailored catalysts to enhance bio-char production from palm biomass, contributing to waste valorization and renewable fuel development.
Co-Authors Ahmad Fadli Ahmad Zaki Alfian Kamaldi Andes Sagita Charismayani Charismayani Desly Fadilla Simbolon Edward Hs Eka Putri Sriandriani Ekadian Lestari Simatupang Ekky Wahyudi Enang Vovilya Erlisa Yanuari Putri Evelyn Evelyn Ferisma Ratu Giri Gunawan Wibisono Gusti Ayu Nurjanah Hasrul Hasrul, Hasrul Imanuel Tumanggor Iskandar Romey Sitompul Ismeddyanto, Ismeddiyanto Jhon Armedi Pinem Kartika Pratama Syafitri Khairat, Khairat Komalasari Komalasari Lita Darmayanti Lora Mona Tambunan Marlina Marlina Miguel Felix Wijaya Monita Olivia Muhdarina Muhdarina Nani Agustina Nurlis Nurlis Panca Setia Utama Putri, Erlisa Yanuari Riandy, M Arief Rianti Ratna Dewi Rio Saputra Ronna Puspita Sari Rudy Satriya Pratama Saiful Bahri Saiful Bahri Saputra, Rio Sihotang, Fernando Silvia Reni Yenti Sitanggang, Ronal Rius Sunarno Sunarno Syafi’i, Abdullah SYAIFUL BAHRI Syamsu Herman Syarfi Syarfi Syelvia Putri Utami Tifanny Frimacia Tresia Monika Natalia Sinaga Trisuciati Syahwardini Tumanggor, Imanuel Wahyudi, Ekky Yelmida Azis Zuchra Helwani Zultiniar Zultiniar Zultiniar, Zultiniar