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The final method is the use of cooking grease.
Effect of varying the Compression ratio and Injection
In this method, the purpose of mixing the oil is to make the fuel thinner by decreasing the viscosity and this helps the fuel to flow the entire system without any difficulty. Second method: The next method is producing the biodiesel by using the direct vegetable oil.
For this a straight vegetable oil tank system is needed, have to replace the injectors, glow plugs and add the fuel heating. A two tank system of straight vegetable oil is better because it allows the oil to preheat and becomes thinner, by using this the vehicle starts and stops using the normal diesel and the shifts to the usage of biodiesel when the oil is enough hot.
Third method: In the third method the biodiesel can be produced from the used cooking grease.
The acquired cooking grease is placed in a cleaning unit, which heats the grease and separates the waste from oil. After cleaning, certain chemicals must be added to finalize the process. The diagrammatic representation explaining the production of biodiesel using a flow chart is as shown below Biodiesel Images Advantages: Biodiesel has huge advantages along with little disadvantages, the pure form of biodiesel i.
Biodiesel can also decrease the U. It also helps in the engines free movement by acting as a solvent, which aids to break the deposits within the engine that normally cause hinders.
Overview The use of biodiesel in a conventional diesel engine results in substantial reduction of unburned hydrocarbons, carbon monoxide and particulate matter. The exhaust emissions of sulfur oxides and sulfates major components of acid rain from biodiesel are essentially smaller compared to petrodiesel.
Scientific research confirms that biodiesel exhaust has a less harmful impact on human health than petroleum diesel fuel.
Biodiesel emissions have decreased levels of polycyclic aromatic hydrocarbons PAH and nitrited PAH compounds which have been identified as potential cancer causing compounds. Introduction Biodiesel can be operated in any diesel engine with little or no impact to the fuel system. Biodiesel has a solvent effect which may release deposits accumulated on tank walls and pipes from previous diesel fuel storage.
The release of deposits may clog filters. Biodiesel can be used as a pure fuel or blended with petroleum in any ratio.
The politics of car producers are different, e. Mercedes Benz delivers biodiesel equipped cars upon request.
For other cars, please check with the manufacturer. Biodiesel can be used instead of mineral diesel in any car or truck. Only the compatibility of fuel pumps and seals has to be ensured. Biodiesel has a higher cetane number than diesel fuel. In over 15 million miles of in-field demonstrations, biodiesel showed similar fuel consumption, horsepower, torque and haulage rates as conventional diesel fuel.
Biodiesel PPT, PDF Report Free to Download
If the temperature exceeds beyond this limit the oil could catch fire since methanol ignites at very low temperature. Trans-Esterification Process When all the mixture of methanol and NAOH is added to the raw jatropha oil it is allowed to settle in the container for 10hrs.
After this there will clear separation on glycerol and the ester which is the required oil Biodiesel Electrical Centrifuge for Separating Oil and Glycerol The final test which proves that the oil is undergone good Trans - esterification is by its golden colour formation and the smell which should not have any occurrence of the alcohol used in process.
The picture below shows the difference between raw jatropha oil and trans- esterified oil. This methodology was followed in our project. The engine exhaust and intake manifold was modified so as to enhance the EGR set.
The exhaust has to be modified and the following condition has to be acquired, so as to use the AVL C Smoke meter. The room temperature was noted down first. Required quantities of blends were prepared according to their ratios by volume.
The fuel in the fuel tank, the supply of cooling water, level of lubricant in the sump as indicated by the dipstick and no load on the engine were checked before starting the engine. The engine was started and allowed to run at no load for about 10 minutes to warm up and attain steady state.This methodology was followed in our project. This wash water is then removed once it phase separates. Biodiesel production is a modern and technological area for researchers due to constant increase in the prices of petroleum diesel and environmental advantages.
Flashpoint for biodiesel is higher than C whereas the same is about 52C for petroleum diesel, which makes it less combustible.
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The set up readings were taken and tabulated. The picture below shows the difference between raw jatropha oil and trans- esterified oil.
Positive Economic Impact: Biofuels are produced locally and thousands of people are employed in biofuel production plant. Moreover, it creates less emission by reducing the amount of suspended particles in the air.