Yield, Selectivity and conversion

This parameters depends on the catalyst used but generally they turn around the following numbers:

Due to the nature of catalyst selectivity and so yield is higher during Start-of-Run and lower during End-of-Run conditions.

  SOR 
EOR
Conversion (mol%) 
80-85
80-85
Selectivity (mol%) 
70-75
60-65
Yield (m/m%)
102-105
85-90
Loss on Absorption    (m/m%)
0,2-0,4
0,2-0,4
Loss on Distillation (m/m%)
2-3
2,5-3,5
Overall plant Yield (m/m%)
99-102
81,5-86,5

 

Ton/ton of n-butane Commercial products

The catalyst can be regularly on line for 4 to 5 years.