The Effect of Operating Conditions on Corrosion in HF Alkylation Units Parts 1 and 2

by Jonathan Dobis, P.E. / August 2004


Corrosion and fouling in HF Alkylation Units are closely linked to feed quality and operating conditions. This paper outlines the relationship between key operating parameters and corrosion that has been used to develop a set of guidelines to define an operating envelope. These guidelines have been used to benchmark operating units and to help maintenance and inspection groups understand how corrosion is directly affected by operating parameters. An example where this methodology has been used to troubleshoot operating problems is included. A web-based data collection system has been used as a tool to build a database of actual operating conditions found in the unit, and the corresponding problems or damage observed.


To read Part I of this article on Inspectioneering, click here.

To read Part II of this article on Inspectioneering, click here.


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