what is Sabatier sanderson hydrogenation??
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THE SABATIER REACTION
The Sabatier reaction can be described as follows:
CO2 + 4 H2 = CH4 + 2 H2O
Considerable development work has been done by RCO2 in Langhus, Norway and by the Desert Research Institute (DRI) in Reno, Nevada to improve the operating parameters of the Sabatier reaction. Both RCO2 and DRI used a simulated flue gas from the combustion of natural gas. Both RCO2 and DRI used H2 produced by electrolysis. For the electrolysis RCO2 used hydro power and DRI used solar and wind power. When used in the power industry, this reaction will take place in a specifically designed reactor in the presence of an efficient catalyst. The flue gas containing the CO2 will come from the combustion of methane in a gas turbine. The flue gas will have to be cooled by a heat exchanger to reach the optimum reaction temperature. The water formed during the combustion of methane and the Sabatier reaction will be removed from the stream coming from the methanation reactor. This water will be used to cool the flue gas and the methanation reactor. After recovering this heat the water will be sent to the water splitter. Hydrogen generated in the water splitting reaction will be mixed with the flue gas from the turbine before it enters the methanation reactor. The methane generated will be mixed with the make-up natural gas needed to operate the gas turbine at the desired capacity. It will not be necessary to isolate and compress the CO2. The reaction between the CO2 and hydrogen will take place in the gaseous phase. The amount of methane produced will depend on the amount of hydrogen produced by the splitting of water. The most efficient catalyst for this reaction and the optimum temperature range for this reaction have already been determined. A 98% conversion of CO2 to methane has been achieved at a Space Velocity of more than 15,000h-1 and at a temperature of around 350ºC.
The Sabatier reaction can be described as follows:
CO2 + 4 H2 = CH4 + 2 H2O
Considerable development work has been done by RCO2 in Langhus, Norway and by the Desert Research Institute (DRI) in Reno, Nevada to improve the operating parameters of the Sabatier reaction. Both RCO2 and DRI used a simulated flue gas from the combustion of natural gas. Both RCO2 and DRI used H2 produced by electrolysis. For the electrolysis RCO2 used hydro power and DRI used solar and wind power. When used in the power industry, this reaction will take place in a specifically designed reactor in the presence of an efficient catalyst. The flue gas containing the CO2 will come from the combustion of methane in a gas turbine. The flue gas will have to be cooled by a heat exchanger to reach the optimum reaction temperature. The water formed during the combustion of methane and the Sabatier reaction will be removed from the stream coming from the methanation reactor. This water will be used to cool the flue gas and the methanation reactor. After recovering this heat the water will be sent to the water splitter. Hydrogen generated in the water splitting reaction will be mixed with the flue gas from the turbine before it enters the methanation reactor. The methane generated will be mixed with the make-up natural gas needed to operate the gas turbine at the desired capacity. It will not be necessary to isolate and compress the CO2. The reaction between the CO2 and hydrogen will take place in the gaseous phase. The amount of methane produced will depend on the amount of hydrogen produced by the splitting of water. The most efficient catalyst for this reaction and the optimum temperature range for this reaction have already been determined. A 98% conversion of CO2 to methane has been achieved at a Space Velocity of more than 15,000h-1 and at a temperature of around 350ºC.
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