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The water gas shift reaction equilibrates rapidly at temperatures above about 450 °C. At high temperatures this reaction favors the formation of carbon monoxide, while at low temperatures more hydrogen is formed. When hydrogen is the desired product, the shift reaction is promoted at lower temperatures by using an excess of steam and providing a medium- or low-temperature shift catalyst.
In an auto thermal reforming process, 1000 kmol/h of methane at 20 °C is compressed to 10 bar, mixed with 2500 kmol/h of saturated steam, and reacted with pure oxygen to give 98% conversion of the methane.
The resulting products are cooled and passed over a medium-temperature shift catalyst that gives an outlet composition corresponding to equilibrium at 350 °C.
i. How much heat is required to vaporize the steam?
ii. How much oxygen is needed?
iii. What is the temperature at the exit of the auto thermal reforming reactor?
iv. What is the final molar flow rate of each component of the synthesis gas?
Eliminate Differences in composition and eliminate differences in temperature, pressure and phase
Extract ore descriptors or features from the variables and design a model that can classify the ores correctly from images of the ore
Determine the concentration of the exhaust gas and Determine the flow rate of exhaust gas through the smokestack.
Volume of Air Required for Combustion of a Natural Gas Mixture, A natural gas has the following analysis by volume:
Important information about Chemicals for Indoor Concrete Flooring Explanations on high solids floor finish chemicals used on indoor concrete flooring
The scaling factor k must be such that the total probability is one. Therefore, we have k = 1/36. The table shows one instance where x + y >5, which is x = 3, y = 3. The probability is p = 9/36 = 1/4.
Coal gasification is carried out at 850 °C and 40 atmospheres pressure, by reaction of coal with steam and oxygen. The empirical formula of the coal is roughly CH0.8S0.013. What materials of construction would you recommend for:
2. Alcohol is a diuretic agent, which increases urine production by reducing water reabsorption. Normal rate of water reabsorption is about 124 ml/min. Assume that the effect of alcohol on water reabsorption (in ml/min) is given by the following equa..
Design a storage and feed system for the sorbitol powder. Sorbitol has average bulk density 1.48 kg/liter, and can be assumed to have an average particle size of 200 μm.
Calculate the drum temperature, calculate the vapor and bottoms compositions and completely size the tower: Diameter, Height, weight.
thermometry is the science of temperature measurement.nbsp for a thermometer to work we infer the temperature from the
The heat capacity at constant pressure of hydrogen cyanide is given by the expression Cp[J/(mol ·°C)] = 35.3 + 0.0291T(°C) (a) Write an expression for the heat capacity at constant volume for HCN, assuming ideal gas behavior.
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