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All Journal Jurnal Penelitian dan Pengembangan Pendidikan Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknik ALGORITMA : Journal of Mathematics Education Jurnal Ilmiah Pendidikan Matematika Al Qalasadi Jurnal Serunai Bahasa Indonesia Unri Conference Series: Community Engagement Asimetris: Pendidikan Matematika dan Sains Journal of Bioprocess Chemical and Environmental Engineering Science International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) As-Sidanah : Jurnal Pengabdian Masyarakat Jurnal Transformasi Administrasi Catimore: Jurnal Pengabdian Kepada Masyarakat Jumper : Journal of Educational Multidisciplinary Research International Conference on Health Science, Green Economics, Educational Review and Technology (IHERT) Jurnal Teknologi & Rekayasa Sipil Jurnal Infinity JURNAL REKAYASA KIMIA & LINGKUNGAN
Edy Saputra
STAIN Teungku Dirundeng Meulaboh
Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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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.
STRENGTHENING RELIGIOUS ATTITUDES AND INTERFAITH COMMUNICATION IN BUILDING SOCIAL HARMONY: PEACE AND CONFLICT TRANSFORMATION Saputra, Edy; Sutrisno, Sutrisno; Zulmaulida, Rahmy; Noviani, Julia; Gradini, Ega; Harnedi, Joni; Hikmah, Nurul; Utami, Rizka
As-Sidanah Vol 7 No 2 (2025): OKTOBER
Publisher : LP2M Universitas Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/assidanah.v7i2.369-386

Abstract

Indonesia's religiously plural districts have periodically experienced tensions rooted in administrative procedures and misunderstandings in interfaith relations. This service activity aimed to identify forms of religious attitudes and communication patterns in Aceh Tengah and Aceh Singkil communities, as well as surface participatory strategies for sustaining social harmony. Using a Participatory Action Research (PAR) cycle, the program included Training of Trainers (ToT), Focus Group Discussions (FGDs), participatory mapping, community education, and iterative monitoring and evaluation conducted with teachers, students, religious leaders, FKUB members, and local officials. The service showed that Aceh Tengah exhibited strong tolerance supported by inclusive Gayo cultural norms, open deliberative communication, and proactive engagement between the government and the FKUB. Aceh Singkil faced recurrent challenges related to worship-permit arrangements, yet communities maintained mutual respect and associative ties that helped de-escalate issues. The program empowered local stakeholders to act as agents of tolerance and clarified bottom-up feedback channels within existing top-down procedures, generating practical improvements and guidance for replication. In conclusion, collaborative, bottom-up communication institutionalized through government, interfaith forums, and community partnerships was essential to manage diversity and sustain harmony; the PAR-based approach provided a practical model and transferable lessons for similar plural settings across Indonesia.
Co-Authors Ahmad Fadli Ahmad Zaki Andes Sagita Bahri, Saiful bettri yustinaningrum, bettri Charismayani Charismayani Desly Fadilla Simbolon Edward Hs Ega Gradini Eka Putri Sriandriani Ekadian Lestari Simatupang Ekky Wahyudi Enang Vovilya Erlisa Yanuari Putri Evelyn Evelyn Fitry Rahmah Gusti Ayu Nurjanah Hafizah Harnedi, Joni Hasrul Hasrul, Hasrul Imanuel Tumanggor Ismeddyanto, Ismeddiyanto Jhon Armedi Pinem Jhon Armedi Pinem Kartika Pratama Syafitri Khairat, Khairat Kiki Farida Ferine Komalasari Komalasari Lita Darmayanti Lora Mona Tambunan M. Isa Indrawan Magfirah Marlina Marlina Maulizar, Hera Miguel Felix Wijaya Monita Olivia Muhdarina Muhdarina Nani Agustina Nazily Haryati Noviani, Julia Nurhayati Nurhayati Nurlis Nurlis Nurul Hikmah Putri, Erlisa Yanuari Riandy, M Arief Rianti Ratna Dewi Rio Akbar Rio Saputra Saiful Bahri Saputra, Rio Sarah Sarmento, Amândio de Araújo Sihotang, Fernando Sitanggang, Ronal Rius Sri Ulina Beru Ginting Sutrisno, Sutrisno Suwarni Syafi’i, Abdullah SYAIFUL BAHRI Syamsu Herman Syarfi Syarfi Syelvia Putri Utami Tresia Monika Natalia Sinaga Trisuciati Syahwardini Tukiyo Tumanggor, Imanuel Utama, Panca Setia Utami, Rizka Wahyudi, Ekky Wahyuni Zumara Wali Ara Yelmida Azis Zuchra Helwani Zuchra Helwani, Zuchra Zultiniar Zultiniar Zultiniar, Zultiniar