Farokhi, Suhail
(2016)
Synthesis of Dimethyl Ether from Synthesis Gas over Bi-functional Catalyst.
Masters thesis, Indian Institute of Technology Hyderabad.
Abstract
With the onset of the 21st century which has bring about giant leaps in science and technology, we see an increasing global population which brings about an increase in the energy and fuel requirement.The current fossil fuel is being utilized at an alarming rate and one of the most feasible alternative we have is to turn to alternative sources of energy like Solar, Nuclear power etc. In addition to the above the current fossil fuels that are utilized create a lot of negative environmental impact releasing greenhouse gases such as CO2, CO, Oxides of Nitrogen and Sulfur during their combustion thus contributing to global warming. The best alternative among
the alternative sources of energy is to turn to biofuels which use biomass as the starting material and are hence neutral to the carbon cycle. Among the various biofuels DME is considered to be a very significant biofuel having the potential to replace existing fuels such as LPG. Usually manufactured by two step method industrially from synthesis gas, the methanol formation step followed by methanol dehydration step. In the present work the synthesis of Dimethyl ether from synthesis gas is studied by using a bifunctional catalyst in single step in a high pressure fixed bed reactor in the presence of nitrogen gas.A bifunctional catalyst was synthesized by the wetness impregnation method using Cu-Zn and γ-Al2O3 as the support of the catalyst.
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