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All Journal Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Pengabdian Mandiri
Asri Gani
Department of Chemical Engineering, Faculty of Engineering, University of Syiah Kuala, Banda Aceh 23111, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Microbial community analysis during start-up of anaerobic co-digestion based on quinone profiles using supercritical fluid extraction Asri Gani; Ahmed Fall; Hiroyuki Daimon
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.207 KB)

Abstract

Quinone profile is well known as a useful tool for the analysis of microbial community dynamics in mixed cultures in terms of quantification, simplicity, and reproducibility. The application of quinone profile method in anaerobic digestion is to monitor and overcome instability during fermentation process. A lab-scale anaerobic digestion treating a mixture of milk cow manure (CM) and simulated food waste (FW) during start-up process at mesophilic conditions was used to monitor the change of microbial community dynamics and stability. Supercritical fluid extraction (SFE) experiments using CO2 and ultra-high performance liquid chromatography (UPLC) was applied for extract and determination of ubiquinones (UQ) and menaquinones (MK) species. Quinone can be a helpful tool to make the link between microbial community and anaerobic digestion parameters in order to overcome digester instability during the start-up process.
Gasification and Co-gasification Low-rank Coal with Biomass Asri Gani; Ichiro Naruse
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 2 (2012): Engineering
Publisher : Syiah Kuala University

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Abstract

Recently, there has been significant research interest in cogasification of coaland various types of biomass blends to improve biomass gasification and syngasproduction. In addition, ash present in biomass catalyses the gasification of coal. This experiment was conducted on the cogasification of various types of coal and biomass using drop tube gasifier under two sets temperatures 1173 and 1273K respectively. Most of the reactions are considered as endothermic, the heat input is needed to conduct the reactions. The additions of biomass to NL coal during co-gasification give no effect on gasification, since the reaction is endothermic. The increasing temperature from 1173 to 1273K only give small increase in the yield gas and efficiency due to the short of residence time
Karakterisasi Sifat-Sifat Arang Kompos dari Limbah Padat Kelapa Sawit (Elaeis guinensis Jack) Characterization of Compost Charcoals Properties from Oil Palm Solid Waste Erlidawati Erlidawati; Abdul G Haji; M. Nasir Mara; Asri Gani; Sarwo Edi; Diana I Sari
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 7, No 2 (2009): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.993 KB) | DOI: 10.51850/jitkt.v7i2.233

Abstract

Oil palm solid waste especially fruit and empty bunches are hard to decompose naturally in the environment because fruit bark still contains oil and empty bunches contain cellulose, hemicelluloses and lignin with relatively similar levels. In this research, the quality of compost charcoals from raw materials of oil palm solid waste was studied.Oil palm empty bunches were pyrolized in a drum reactor at optimum temperature. Charcoals were milled and mixed with oil palm fruit bark to make compost charcoals by using biodecomposer Dobura1 and EM-4. Compost charcoals were characterized and their qualities were compared with the organic waste compost in accordance with SNI-19-7030-2004.The production of compost charcoals in all treatments in this research indicated that the fluctuating temperatures were changes especially in the first day and in the second day until the fourth day, decreased gradually and then rose again slowly. pH values in all treatments showed a very sharp increase in the first day, except for control that were rose up to the second day, whereas in the third day they all showed a rather sharp decrease, then in the fourth day and forth rose again slowly. The weight shrinkage of compost charcoals in all treatments occurred significantly until the sixty day. Compost charcoals that were produced in all composting treatments fulfilled the compost quality of domestic waste in accordance with SNI-19-7030-2004.
PELATIHAN BUDIDAYA JAMUR MERANG UNTUK PENINGKATAN PERUBAHAN SOSIAL EKONOMI DI DESA LIMPOK OLEH TIM PENGABDIAN MANDIRI USK Edy Fradinata; Asri Gani; Rusnawati, Rusnawati; Ibnu Khaldun; Abdullah, Abdullah; Dasrul, Dasrul; Raida Fuadi; Agus Adria; Zurnila MK
JURNAL PENGABDIAN MANDIRI Vol. 3 No. 5: Mei 2024
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jpm.v3i5.7764

Abstract

Desa Limpok, sebuah desa yang terletak di Kabupaten Aceh Besar, data kemiskinan 20% penduduk, rendahnya tingkat pendidikan (60% melek huruf), dan infrastruktur yang kurang memadai. Di tengah situasi ini, tim dosen lintas disiplin ilmu Universitas Syiah Kuala (USK) Banda Aceh hadir untuk membangkitkan harapan melalui program pengabdian masyarakat. Pelatihan/Sosialisasi budidaya jamur merang menjadi fokus utama program ini, dengan tujuan untuk meningkatkan pendapatan, pendidikan, infrastruktur, dan kualitas hidup masyarakat. Budidaya jamur merang dipilih sebagai salah satu solusi yang tepat karena memiliki beberapa keunggulan: meningkatkan Penghasilan, meningkatkan Gizi Masyarakat, memanfaatkan Limbah Pertanian, membutuhkan Area Terbatas. Diharapkan program ini dapat membawa perubahan sosial yang positif bagi Desa Limpok, seperti: penurunan Angka Kemiskinan, meningkatnya Tingkat Pendidikan, meningkatnya Kualitas Infrastruktur. Program ini merupakan langkah awal yang penting dalam upaya memajukan Desa Limpok. Dengan tekad dan kerja keras dari masyarakat desa dan dukungan dari berbagai pihak, Desa Limpok diharapkan dapat keluar dari lingkaran kemiskinan dan menuju masa depan yang lebih cerah
Co-Authors Abdul G Haji Agus Adria Ahmed Fall Dasrul Dasrul Diana I Sari Edy Fradinata Erlidawati Erlidawati Hiroyuki Daimon Ibnu Khaldun Ichiro Naruse M. Nasir Mara Raida Fuadi Rusnawati Rusnawati, Rusnawati Sarwo Edi Veithzal Rivai Zainal Zurnila MK