A comparison of auto-thermal and conventional methanol synthesis reactor in the presence of catalyst deactivation

2008 ◽  
Vol 47 (12) ◽  
pp. 2121-2130 ◽  
Author(s):  
M.R. Rahimpour ◽  
M. Lotfinejad
Keyword(s):  
Methanol Synthesis ◽  
Catalyst Deactivation

scholarly journals Dynamic optimization of methanol synthesis section in the dual type configuration to increase methanol production

2019 ◽  
Vol 74 ◽  
pp. 90
Author(s):  
Samane Masoudi ◽  
Mohammad Farsi ◽  
Mohammad Reza Rahimpour
Keyword(s):  
Dynamic Optimization ◽  
Methanol Synthesis ◽  
Catalyst Deactivation ◽  
Dynamic Condition ◽  
Production Capacity ◽  
Operating Conditions ◽  
Second Step ◽  
Methanol Production ◽  
Equilibrium Conversion ◽  
Plant Data

The main object of this research is dynamic modeling and optimization of the methanol synthesis section in the dual type configuration considering catalyst deactivation to improve methanol production capacity. In the methanol unit, deactivation of CuO/ZnO/Al2O3 catalyst by sintering and low equilibrium conversion of reactions limit the production capacity, and changing operating temperature is a practical solution to overcome the production decay. In the first step, the considered process is modeled based on the mass and energy balance equations at dynamic condition. To prove the accuracy of developed model, the simulation results are compared with the plant data at the same operating conditions. In the second step, a dynamic optimization problem is formulated, and the optimal trajectories of manipulated variables are determined considering methanol production rate as the objective function. Finally, the performance of optimized process is compared with the conventional system at the same design conditions. The results show that operating at the optimal conditions increases methanol production capacity about 6.45%.

Incorporation of Flexibility in the Design of a Methanol Synthesis Loop in the Presence of Catalyst Deactivation

2003 ◽  
Vol 26 (6) ◽  
pp. 672-678 ◽  
Author(s):  
M.R. Rahimpour ◽  
S. Ghader ◽  
M. Baniadam ◽  
J. Fathi Kalajahi
Keyword(s):  
Methanol Synthesis ◽  
Catalyst Deactivation
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