July 2017

Process Engineering

Develop reactor internals for optimizing reactor design: High-performance vapor-liquid distributor

Vapor-liquid distributors are a crucial element of reactor internals for maximizing catalyst utilization of fixed-bed reactors.

Ahn, E. S., Park, S. I., Song, I. C., Kim, G. B., Chang, G. S., GS Engineering and Construction

Vapor-liquid distributors are a crucial element of reactor internals for maximizing catalyst utilization of fixed-bed reactors. Any maldistribution in the catalyst bed will lead to vapor-liquid channeling that degrades catalyst performance and, by extension, overall reactor performance. A stepwise development of a high-performance distributor is detailed here, supported by computational fluid dynamics (CFD) analysis and a pilot test. In the early stages of development, CFD simulation was performed to verify a conceptual design of the high-performance distributor. The developed design was then tested in a pilot plant of semi-commercial scale. The test results showed that the distributor has

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