The research objective was to analyze and to determine operational feasibility of drier using Liquified Petroleum Gas energy source in term of techmcal and fmancial aspects for salted fish drying. This study was conducted in two steps. The first step were making and trying the dryer out whereas the second step was doing technical analysis that consisted of effective working capacity determinati…
Bahan bakar merupakan bagian penting pada suatu proses dari motor bakar, karena saat ini banyak ditawarkan jenis bahan bakar dengan kualitas dan karakteristik yang berbeda-beda. Penelitian ini dilakukan untuk mengetahui kualitas gas buang yang dihasilkan oleh bahan bakar. Pengujian ini dilakukan pada kendaraan Toyota Kijang dengan type mesin 4 silinder,OHV dengan system karburator. Pengujian in…
Proses pembakaran pada motor bakar torak bertujuan untuk menghasilKai energi mekanik yang berasal dari energi kimia bahan bakar, yang kemudian energi yang dihasilkan tersebut digunakan sebagai penggerak. Dengan kemajuan ilmu pengetahuan dan teknologi telah dilakukan berbagai usaha untuk meningkatkan prestasi kerja mesin bensin, hemat bahan bakar dan ramah lingkungan. Salah satu diantaranya adal…
This study analyzes kinetics of biodiesel transesterification using waste cooking oil as feedstock with a Deep Eutectic Solvent (DES) catalyst based on K₂CO₃–glycerol. The transesterification process was carried out at catalyst concentrations of 4,5%, 5,5% and 6,5% (w/w oil) and reaction temperatures of 45°C, 55°C and 65°C for 4 hours. The biodiesel properties analyzed included viscosi…
This research is an experimental study on utilizing Nipah fruit peel waste into biochar briquettes using an alternative inorganic adhesive. The study aimed to analyze the effect of adding different concentrations of clay adhesive on the briquettes' physical (density) and proximate qualities, and to determine the optimal formulation. This experimental research employed a Completely Randomized De…
Most sources of fuel used today are fossil fuels. Supplies of fossil fuel sources has declined over time. This is because it is non-renewable. Accompanied by the use of fuel increasing negative impact on the environment in which high levels of air pollution due to emissions result of fossil fuel combustion processes that can cause health problems and damage to the environment. Biodiesel is know…
The use of set generators in Indonesia is still dependent on petroleum fuel as its primary fuel. The use of LPG as an alternative fuel is increasing in the industrial sector in Indonesia. In this study, it will use a converter kit as a replacement for a gasoline carburetor so that it can use LPG gas as a source of fuel. The purpose of this research is to find out the performance of pertalite fu…
Bahan bakar minyak dunia kini persediaan semakin lama semakin menipis dan suatu saat akan habis. Begitu juga dengan harga bahan bakar semakin lama semakin tinggi dan tidak terjangkau bagi kebanyakan orang. Saat ini kita dituntut untuk menyelesaikan masalah tersebut, salah satunya dengan bahan bakar biodiesel yang ramah lingkungan serta dapat diperbaharui sehingga takkan pernah dapat habis. Peng…
The analysis of the effect of ethanol addition on the quality of RON 92 gasoline in achieving RON 98 gasoline specifications had been conducted at the laboratory of PT Kilang Pertamina Internasional RU III. This study aimed to produce RON 98 gasoline by blending ethanol into RON 92 gasoline. RON 92 gasoline, commonly known as Pertamax, is obtained by mixing 92% HOMC and 8% LOMC components. In t…
Saat ini kendaraan sepeda motor menggunakan beberapa jenis bahan bakar pertamina antara lain pertalite dan pertamax. Masing-masing jenis bahan bakar tersebut memiliki angka oktan yang berbeda. Performansi sepeda motor dapat diketahui dari besarnya torsi, daya, dan konsumsi bahan bakar yang dihasilkan. Untuk mengetahui torsi sepeda motor dilakukan metode pengukuran enggunakan prony brake. Prinsi…
Coconut oil Biodiesel is an altemative fuel made from vegetable fat that is eco friendly and can reduccs fuel consumption and increases the good value of fuel, also decreases the exhaust emissions in diesel engine. Observation and research of the coconut biodiesel addition in diesel fuel toward machine prestige and exhaust emissions have been done. The parameters that have been researched are t…
Daily Explored and consumed petroleum will eventually run out, while the formation process takes millions years. The current availability of petroleum estimated only sufficient for a fe w years as the inc re asing of fuel consumption. Excessive fuel consumption will cause dwindling of petroleum reserve s, besides the exhaust gases from motor vehicles cause increasing air pollution. It led to do…
The increasing offuel price gives negative effect directly, especially for fishermen around the Coastal area, it makes their economy condition become worse. Coconut trees which grow near the source of water, basically have a high quality of growing and producing. Based on these ideas, research on the effect of adding coconut oil to the dex diesel of exhaust emissions and fuel consumption, using…
Palm oil Biodiesel is an altemative fuel made from vegetable oil that is environmentally friendly and can reduce fuel consumption and exhaust emissions in diesel motor fuel. It has been observed on the addition of palm oil biodiesel fuel Pertadex on fuel consumption and exhaust emissions in diesel motors. The parameters studied were specific fuel consisting of pure Pertadex, a mixture of 10% bi…
Need of Fuel for Fisherman in icreasing nowdays, Diesel fuel is one offuel which needs for fisherman to go to sea. Since government the policy increasing price of fuel and it causes negalive impact for fisherman, hecause if that the economic condision of fisherman is getting worst. To solve high this impact about increasing price, Coastal Area of Indonesia there are many coconut trees can be ut…
Regarding to development of motorcycle production, the consumption of fuel also increased. Accordingly, te pertamax oil is unlikely consumed by the people in accordance with price. Even the pertamax oil is much environmentally friendship.This research is trying to find the effect of mixing bot premium and pertamax in some ratios. Research result has shown that premium and pertamax mixture may l…
The research objective is to study coffee skin as fuel to dry coffee seeds by using tray drier at several direct and indirect heatings and coffee seed pile heights on fuel requirement per weight of dried coffee seeds and drying rate. This study was conducted at Farm Machinery and Equipment Laboratory, Agricultural Technology Department, Faculty of Agriculture, Sriwijaya University, Indralaya fr…
Hydrogen Hydrogen-Oxygen (HHO) gas is a renewable energy source that is gaining attention as a potential substitute for fossil fuels. HHO can be derived from water (H₂O) through a process called electrolysis using a dry cell HHO generator. This study aims to investigate the impact of adding HHO gas to Pertamax fuel with current variations of 2A, 3A, and 4A on exhaust emissions. The testing in…
Increasing consumption of fuel oil occurred in various regions in the world. However, world oil reserves decrease from year to year so that they become scarce and cause oil prices to soar. One method to reduce fuel use is to use alternative fuels such as ethanol. Ethanol fuel can be used by mixing it with fossil fuels or without (pure) mixture. This study aims to determine the effect of a mixtu…
SFR is a type of closed-fuel fast reactor that uses sodium or sodium as a coolant. Neutronic analysis of the geometry design of the Sodium-cooled Fast Reactor (SFR) core with 1000 MWTh Metallic Uranium fuel has been carried out so that the core design meets the criteria for neutronic parameters. The simulation was carried out using OpenMC software which has ENDF/B VIII.0 nuclear data library. T…
The use of motor vehicles in Indonesia will increase significantly over the years. Combining bioethanol with fossil fuels in gasoline engines can extend the life of the fuel supply, and improve combustion efficiency. Lack of alternative fuels that have not been developed perfectly can be done the addition of other materials that also come from renewable natural resources such as pure water with…
Road pavement is structural section of traffic lane which has Central jx>sition in road body. Road pavement age is related to surface durability which can be influenced by oil spill accidently especially for gasoline, diesel oil and lubricant brought by vehicle, so it may decrease road and Service age. Because of that, this research will detect the fact of influences by spilling oil out to Lata…
Penelitian ini menganalisis sel bahan bakar berbentuk pin dalam dua jenis bahan bakar campuran yaitu Uranium-Plutonium-Nitrida dan Uranium-Plutonium-Zirkonium. Setiap bahan bakar dilakukan variasi dengan mengubah persentase kandungan Uranium-235 sebanyak 0% hingga 10%. Menggunakan metode Monte Carlo dalam kode program OpenMC, perhitungan dilakukan untuk mendapatkan faktor multiplikasi efektif, …
Penelitian ini bertujuan untuk merancang dan merakit sistem pemilih bahan bakar untuk mesin diesel menggunakan mikrokontroler ATmega 8535. Metode yang digunakan pada penelitian ini adalah metode perancangan alat dan pengujian alat. Set point yang digunakan yaitu suhu > 85°C. Hasil penelitian disajikan menggunakan tabel dan grafik. Parameter yang diamati adalah suhu minyak goreng, lama pemansan…
The objective of this research was to find out the characteristics of a composite briquette without carbonized of agricultural waste with the addition of bladygrass as an ignition starter. This research was conducted in Biosystem Laboratory, Laboratory of Agricultural Chemistry, Department of Agricultural Technology, Faculty of Agriculture, University of Sriwijaya, and Laboratory of Mining and …