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All Journal JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Jurnal Spektran
Andika, Ida Bagus Made Baskara
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Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Transportation

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PERENCANAAN PENYEDIAAN AIR MINUM BERBASIS MASYARAKAT DI DUSUN TOMUAN PANE, KABUPATEN SIMALUNGUN, SUMATERA UTARA Andika, Ida Bagus Made Baskara; Nainggolan, Kristina Marta; Astiti, Sagung Putri Chandra
Jurnal Spektran Vol. 14, No. 1, Januari 2026
Publisher : Program Studi Magister Teknik Sipil Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/

Abstract

Tomuan Pane Hamlet in Simalungun Regency, North Sumatra, faces critical challenges in drinking water provision due to the absence of a household water distribution network. Additionally, water quality tests revealed phosphate and total coliform contamination levels exceeding the drinking water standards set by the Indonesian Ministry of Health Regulation No. 2 of 2023. The contamination is attributed to nearby agricultural activities and poorly maintained environmental infrastructure. This study aims to design a simple, community-based water distribution and treatment system (Penyediaan Air Minum Berbasis Masyarakat: PAMBM). Water demand projections were calculated using three population growth methods: arithmetic, geometric, and least square approaches. The distribution network was simulated using EPANET 2.2 software. The water treatment system was designed utilizing simple filtration tailored to local conditions. Population projections indicate that water demand in 2040 will reach 0.88 L/s. The proposed treatment system consists of two filtration stages: a 1.2-meter downflow reactor of 67% zeolite, 8% sand, 8% activated carbon media, and a 2-meter upflow reactor of 21% zeolite, 21% gravel, 27% activated carbon, and 21% sand media:. The combined system effectively reduced phosphate concentrations by 49.39% and completely eliminated total coliforms (100% removal). The distribution network simulation produced an average flow velocity of 0.71 m/s using a 5 cm transmission pipe and a 4 cm main distribution pipe.
Pemanfaatan Limbah Upacara (Canang) Menjadi Bahan Baku Briket Sebagai Sumber Energi Alternatif Ramah Lingkungan Andika, Ida Bagus Made Baskara; Swari, I Gusti Agung Ratih Pradnya; Saguna, I Gusti Ngurah Agung Indra; Ananda, I Gusti Ngurah Agung Satria
JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Vol 14 No 1 (2026): Maret
Publisher : Department of Agroindustrial Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRMA.2026.v14.i01.p12

Abstract

Canang waste, a type of organic waste from Balinese Hindu offerings, is commonly produced in traditional villages such as Desa Tihingan. This study aims to utilize canang waste as raw material for briquette production. The method employed is experimental, involving stages such as material collection, drying, shredding, carbonization, sieving, mixing, molding, and drying. Samples were tested using a bomb calorimeter to determine their Higher Heating Value (HHV) and Lower Heating Value (LHV). The results showed that canang briquettes have an HHV of 21.27 MJ/kg and an LHV of 19.64 MJ/kg, which are higher than those of mixed organic briquettes (HHV: 20.62 MJ/kg, LHV: 18.47 MJ/kg), but lower than prapen charcoal (HHV: 26.95 MJ/kg, LHV: 25.82 MJ/kg). These findings indicate that canang briquettes have potential as a viable alternative fuel. Moreover, this approach offers an environmentally friendly and sustainable solution for managing ceremonial waste.
Co-Authors Ananda, I Gusti Ngurah Agung Satria Nainggolan, Kristina Marta Saguna, I Gusti Ngurah Agung Indra Sagung Putri Chandra Astiti Swari, I Gusti Agung Ratih Pradnya