Given the following N2 adsorption isotherm data for a catalyst supported on Al2O3, do the following:...

 

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Given the following N2 adsorption isotherm data for a catalyst supported on Al2O3, do the following: a) Estimate the BET surface area of the catalyst b) Determine the total pore volume of the catalyst, assuming that all pores are filled with liquid Nz when P/Po = 0.995. c) Estimate the average pore diameter assuming uniform cylindrical pores. d) Calculate the catalyst porosity Note: The molar volume of liquid N2 at 77K is 34.7 cm/mole. The density of the solid Al2O3 is 3.95 g/cm Data N2 adsorption po 760 Relative Volume Press Adsorbed ADSORPTION p/po Va mmol/g 0.010 5.572 0.033 5.983 0.065 6.220 0.101 6.389 0.162 6.596 0.181 6.654 0.201 6.712 0.302 6.971 0.500 7.264 0.601 7.402 0.701 7.594 0.801 7.903 0.924 8.856 0.951 9.342 0.995 10.361 Given the following N2 adsorption isotherm data for a catalyst supported on Al2O3, do the following: a) Estimate the BET surface area of the catalyst b) Determine the total pore volume of the catalyst, assuming that all pores are filled with liquid Nz when P/Po = 0.995. c) Estimate the average pore diameter assuming uniform cylindrical pores. d) Calculate the catalyst porosity Note: The molar volume of liquid N2 at 77K is 34.7 cm/mole. The density of the solid Al2O3 is 3.95 g/cm Data N2 adsorption po 760 Relative Volume Press Adsorbed ADSORPTION p/po Va mmol/g 0.010 5.572 0.033 5.983 0.065 6.220 0.101 6.389 0.162 6.596 0.181 6.654 0.201 6.712 0.302 6.971 0.500 7.264 0.601 7.402 0.701 7.594 0.801 7.903 0.924 8.856 0.951 9.342 0.995 10.361