What internal effectiveness factor largest catalyst particle

Reference no: EM13968274

Sweetzyme Q is a commercial preparation of immobilized glucose isomerase manufactured by Novo Industries of Denmark. The following data were obtained for immobilized enzyme particles of different sizes:

Diameter

50 pm

100 um

190 pm

300 um

650 um

V_cbs

μ_{xylose isomerized/(min)(μL support)}

0.285

0.220

0.19

0.17

S₂ (M)

1.5

a) When considering mass transfer in this porous sphere scenario, there are several regions to consider. Draw and label these for a spherical particle.

b) Assume that Da <<0.1 and β≈0. What is the internal effectiveness factor for the largest catalyst particle?

c) Estimate the effective diffusivity of the substrate through the catalyst pores of the largest particle.

Reference no: EM13968274

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