1–20 of
35 results.
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Falentina Fransiska
Biodiesel is produced from transesterification process with vegetable oil or animal fats and methanol as reactans. However insolubility of methanol in oil resulted in long reaction time. To improve th...
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Wendi Wendi
Biodiesel is an alternative fuel for diesel engines consisting of the alkyl monoesters from vegetable oils or animal fats. Beef tallow is the non-edible raw material with low cost production and the a...
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Felicia Felicia
Biodiesel can be produced from either vegetable oil or animal fats through transesterfication process. Problem that usually appears in transesterification process is long reaction time because oil and...
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Abdul Razak Ismail
The significant of exploring deep wells is increasing rapidly to fulfill the global oil and gas demand. Deepwater drilling in offshore operations found negative impact on the drilling fluids rheologic...
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Valentinoh Cuaca
Biodiesel is defined as renewable fuel for diesel engines, derived from vegetable oil or animal fats. Beef tallow is one residual material from slaughterhouses which main destination is the soap indus...
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Renita Manurung
Enzymatic biodiesel production process was done by using palm oil as CPO (Crude Palm Oil) as the main raw material in which the first step was screened the enzym that will be used at the next process....
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Tania Surya Utami
Demand for electricity has become a crucial requirement of Indonesian society. Resources, which generate electrical energy such as fossil fuel, is predicted to run out within the next dozen years. Mic...
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Rangga Septian
Biodiesel is one of the alternative fuels. Biodiesel can be made from palm oil and the other raw materials. This research studies the optimum condition of palm oil (RPO) production by methanolysis rea...
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Dijan Supramono
Biodiesel may be produced by trans-esterification reaction of vegetable oil, which transforms triglycerides into alkyl esters as biodiesel and glycerol as a byproduct, in the presence of an alcohol re...
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Bambang Heru Susanto
Biofuels have great potential to fulfill the energy needs of Indonesia. The process used is hydrodeoxygenation reaction (HDO) whose products are known as renewable diesel. This study focuses on prepar...
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Abdul Razak Ismail
The oil and gas industries need to use oil based drilling fluids to drill troublesome rock layers such as sensitive shale formation or to drill very deep oil and gas wells. However, using oil based dr...
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Muhammad Said
A research about hydrocracking of Crude Palm Oil (CPO) has been conducted using the catalyst Cr/active natural zeolite. Hydrocracking of CPO was conducted at the temperature variations of 300 oC, 400 ...
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Tri Kurnia Dewi
Research has been conducted to convert waste lubrication oil into fuel oil. This work is the second part of a bigger work entittled “Conversion of Waste Oil into Fuel Oil”. The first part dealing with...
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Siti Sailah
One of the factors that generate acid mine drainage (AMD) is the presence of sulphide minerals in rocks because sulphide minerals will have oxidation with oxigen and water to generate AMD. Learning su...
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Erwana Dewi
Asphalt is the important component in the making of infrastructure and rehabilitation of road in particular on the surface layer. The use of asphalt as a road surface coating materials is increasingly...
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Muhammad Hatta Dahlan
High quantity of vehicle use have been triggered to increase the use of oil and caused the increase of used oil in environment. Used oil might contained the metallic elements such as aluminum (Al), ir...
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Gustini Lukman
Hot isostatic pressing is one of the method applied in powder technology to produce high density material. This research aims to investigate physical and mechanical properties of aluminium-fly ash com...
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Fahma Riyanti
In this study, magnetite-chitin composite has been synthesized and their apllication for removal Ni(II) from aqueous solution. Chitin synthesized from shrimp shell waste. Magnetite-chitin composite we...
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Muhammad Faizal
As we know that, urea fertilizer Industry is one of important industries for supporting food consumption. But, in manufacturing process, this industry produces a wastewater containing ammonia. Before ...
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Fitri Hadiah
Crude fatty oils contain a large number of impurities, including gum, free fatty acids, and coloring substances that must be removed in order to create an acceptables refined oil. This paper describes...