LI Wenlong, WANG Weihan, LI Zhenhua, et al. Simulation of methyl nitrite regeneration in packed column[J]. CIESC Journal, 2015, (3): 979-986.DOI: 10.11949/j.issn.0438-1157.20141300.
The process of methyl nitrite (MN) regeneration is a key step in scale-up of synthesis of alkyl esters. To maximize the real atom economy of the process
CO coupling reaction and MN regeneration need to be optimized and proceed at the same reaction rate. Studies on the process and kinetics of MN regeneration are reported. But few mathematical models for MN regeneration in a packed column are available. By analyzing the important reactions of MN regeneration
a mathematic model of MN regeneration in a packed column was developed with the reported kinetic parameters. The effect of main reaction parameters on MN yield was studied. The simulation results showed that MN yield increased with increasing liquid velocity and NO/O2 mole ratio but decreased with increasing temperature
gas velocity and N2 volume fraction. The simulation results were verified by experiments under different conditions
which proved that this model could be used for the design and operation of MN regeneration. Furthermore
the simulation results at two different mixing modes of NO and O2 were presented.