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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Dinamika Penelitian Industri agriTECH Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Paspalum: Jurnal Ilmiah Pertanian Buguh: Jurnal Pengabdian Kepada Masyarakat Jurnal Agricultural Biosystem Engineering Open Science and Technology Open Community Service Journal
Sapto Kuncoro
Prodi. Teknik Pertanian, Fakultas Pertanian, Universitas Lampung
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Obat Nyamuk Bakar Berbahan Baku Limbah Batang Singkong Dan Ekstrak Biji Pala (Myritica fragans houtt) Sandi Asmara; Winda Rahmawati; Sapto Kuncoro; Elhamida Elhamida; Muhamad Nurdin Yusuf; Yuyun Ari Trisnawati
Paspalum: Jurnal Ilmiah Pertanian Vol. 11 No. 1 (2023)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v11i1.560

Abstract

In Lampung cassava stem waste is abundant, its existence is very disturbing, it is only thrown away and burned, it has not been utilized. Its use as an insect repellent is one of the value-added treatment efforts. The purpose of this study was to study the effect of tapioca glue adhesive concentration on the characteristics of mosquito coils at several concentrations of cassava stem powder and nutmeg powder. The treatment, the concentrations of cassava stem powder, nutmeg powder, and tapioca glue adhesive were; a) 16.67%, 26.04%, 58.34%, b) 16%, 24%, 60%, c) 15.38%, 23.07%, 61.53%, d) 14.81 %, 22.23%, 62.9%, and e) 14.28%, 22.32%, 64.28%. This research was conducted to study the physical characteristics (moisture content, density, shatter resistance index, combustion rate, smoke distribution, and organoleptic tests). The method used in this study was a completely randomized design measured using the Indonesian Industrial Standard (SII) No. 1113-84. The results showed that the variety of treatments with the addition of tapioca adhesive in the manufacture of mosquito coils had a very significant effect on moisture content, density, shatter resistance index, and burning time. 
Karakteristik Fisik dan Performa Pembakaran Briket Biocoal Berbasis Campuran Biomassa Ranting Pohon dan Batubara pada Berbagai Komposisi Zana Azalia Maktub; Tamrin Tamrin; Budianto Lanya; Sapto Kuncoro
Jurnal Agricultural Biosystem Engineering Vol. 5 No. 2 (2026): June 2026
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v5i2.13266

Abstract

The utilization of biomass as a renewable energy source has gained increasing attention as an alternative to fossil fuels. This study aimed to evaluate the effect of tree branch biomass proportion on the physical characteristics and combustion performance of biocoal briquettes produced from biomass–coal blends. Four briquette formulations containing 16.0%, 31.9%, 47.7%, and 63.7% tree branch biomass were prepared and tested for density, impact resistance, tensile strength, compressive strength, and combustion rate. The results showed that biomass composition significantly affected the physical and combustion properties of the briquettes. The highest density was obtained at 16.0% biomass content (940.84 kg/m³), while the lowest density was observed at 47.7% biomass content (883.08 kg/m³). The briquette containing 47.7% biomass exhibited the best mechanical properties, characterized by the lowest number of fragments after impact testing (3.4 pieces), the highest tensile strength (115,710.61 N/m²), and the highest compressive strength (168,541.37 N/m²). Meanwhile, the highest combustion rate was achieved by the briquette containing 63.7% biomass, reaching 2.37 g/min. Compared with commercial coal briquettes, the combustion performance of the 63.7% biomass briquette approached that of super briquettes (2.57 g/min) and exceeded that of pure coal briquettes (2.09 g/min). Overall, a biomass proportion of 47.7% was considered optimal in terms of physical and mechanical properties, while 63.7% biomass provided the best combustion performance. These findings demonstrate the potential of tree branch biomass as a sustainable feedstock for biocoal briquette production.
Co-Authors Afna Ditha Auliyah AGUNG ARDIAN SYAH Alda Monica Febrianty Alvin Restian Anggit Anindyaguna Ari Amanda Asropi Asropi Budianto Lanya Budianto Lanya Dahlia Dahlia Dheti Efrilia Dian Ristiani Saputri Diding Suhandy Dinda Adelia Dwi Dian Novita Elhamida Rezkia Amien Eva Selviana Faisal Rohmadhiyaul Haq Febrino Putra Finka Gisavana Hani Muzaqi Indika Poloriani Tunang Joana Putri Rizani Joko Nugroho Wahyu Karyadi Kristri Yoga Lilik Sutiarso Luthfi Wisnu Wijaya Maulidya Indriyani Muhamad Nurdin Yusuf Muhammad Amin Mukhlis Abdurrahim Neli Aida Novia Ramdini Nur Oktavia Nurul Sharina Alifiantoro Panga Argovani Putri Febrianti Raden Ajeng Diana Widyastusi Rudiati Evi Masithoh Sandi Asmara Sang Putra Fajar Sanjaya, Purba Sri Waluyo Tamrin, Tamrin Vania Widyadhari Damayanti Warji Warji Winda Rahmawati Yulia, Meinilwita Yuyun Ari Trisnawati Zana Azalia Maktub