초록 |
Toluene diisocyanate (TDI) is an important raw material to produce a flexible polyurethane foam.The cold phosgenation reactor plays a vital role in the production of TDI, in that the overall reaction selectivity is determined and the most of by-product urea, which is critical to the entire downstream process, is produced inside the reactor. In this research, we develop a framework for designing and optimizing TDI reactors through Bayesian optimization methods.A comprehensive 3-dimensional computational fluid dynamics (CFD) reactor model is incorporated into the Gaussian process (Kriging) to construct a surrogate model. As a result, the optimal design is obtained,, demonstrating that the proposed framework will help efficiently achieve the optimal design of the expensive CFD reactor models that demand a high computational cost and time for evaluation. |