Transesterified vegetable oils (biodiesel) are promising alternative fuel for diesel engines. Used vegetable oils are disposed from restaurants in large quantities. But higher viscosity restricts their direct use in diesel engines. In this study, used cooking oil was dehydrated and then transesterified using an alkaline catalyst. The combustion, performance and emission characteristics of Used ...

Use of liquefied petroleum gas (LPG) in compression-ignition (C-I) engines has always been considered important in the diesel engineering field. This is due to its easy accessibility and good combustion characteristics. In this paper the application of LPG fuel along with diesel oil in a direct- injection automotive diesel engine is experimentally investigated. In order to convert the pure dies...

background : studies show that there is association between air pollution and disturbances on normal function of various systems of body. the main aim of this study was to determine the effects of diesel oil vapor inhalation on serum creatine, alkaline phosphatase, sgot and sgpt levels as indices of liver function in male rats. methods: thirty two rats were randomly divided into 4 groups: contr...

The combustion of straight vegetable oil (SVO) in internal combustion engines has shown conflicting results in emissions, power, and engine longevity. Many early studies suggested that SVO should not be considered for long term use in diesel engines. However, waste vegetable oil has been fueling adapted vehicles in progressive communities for years. The issues involved in the combustion of SVO ...

Biodiesel, as renewable and biological origin alternative diesel fuel, has been receiving a lot of concern throughout the world due to the energy needs and environmental awareness. However, at present, it is not economically feasible to use food-grade vegetable oils to produce biodiesel because of the surge in feedstocks price. Much attention has been devoted to the application of lower-cost fe...

Thermal degradation of waste plastics in an inert atmosphere has been regarded as a productive method, because this process can convert waste plastics into hydrocarbons that can be used either as fuels or as a source of chemicals. In this work, waste high-density polyethylene (HDPE) plastic was chosen as the material for pyrolysis. A simple pyrolysis reactor system has been used to pyrolyse was...

Thermolysis of waste plastics in an inert atmosphere has been gazed at as a useful method, because this technique can convert waste plastics into hydrocarbons that can be used either as fuels or as other valued chemicals. In this work, waste polyethylene (PE) was chosen as the raw material for thermolysis. A well designed semi batch reactor has been used for thermolysis of waste polyethylene (P...

Studies show that inhalation of oil gas vapor may impose serious health risks for individuals exposed to such vapor. The main aim of this study was to determine the effects of diesel oil vapor inhalation on SGOT and SGPT as indices of liver function. Male Wistar rats were randomly divided into control animals, and rats that exposed to diesel oil vapor for 1 hour/day, for 2 hours/day and for 3 h...

The waste tyres represent a source of energy and valuable hydrocarbon products. Waste tyres were pyrolysed catalytically in a batch reactor under atmospheric pressure. The effects of basic catalysts (MgO and CaCO3) were studied on the pyrolysis products. The distribution ratio of gas, liquid and char with MgO and CaCO3 were 24.4:39.8:35.8 wt % and 32.5:32.2:35.2 wt % r...