Customer: - not disclosed

Service: CFD Modelling - Design Consultancy

Problem:
To provide confidence for our Client company that the Inter-Ozone contactor they were proposing would meet a specified requirement. Limits for the minimum and maximum retention times had been set by the end user, and the process had to be guaranteed.

Approach:
BHRSolutions modelled the proposed contactor using computational fluid dynamics (CFD). Residence time distributions were produced at operational flowrates and compared to the process requirements.

Outcome:
As designed, the contactor would not have met the process requirements. Modification of the design was required. The model was used to determine the effect of installing a perforated plate, and it showed that this simple modification would significantly reduce the short circuiting and satisfy the process requirement.

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