Origins and Fates of Chlorides in Hydroprocessing Units – Part 3: Managing the Chlorides

The first two articles of this series provided a methodical approach to identifying a chloride problem in a hydroprocessing unit, determining the size of the problem, and narrowing it down to a likely source or sources.  This final article addresses approaches to dealing with various sources. Step 4 – Managing the Chlorides Now that you […]

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Origins and Fates of Chlorides in Hydroprocessing Units – Part 2: Magnitude and Source(s) the Problem

The first article of this series introduced the symptoms of a chloride problem in a hydroprocessing unit.  In this article, we will explore how to interpret the symptoms by determining how much chloride-containing material we are looking for and identifying the possible or likely source(s) for this amount of material, embodied in Steps 2 and […]

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Origins and Fates of Chlorides in Hydroprocessing Units – Part 1: Recognizing the Problem

Introduction This series of three articles explores the impacts chlorides may have on hydroprocessing units (hydrotreaters and hydrocrackers).  It provides a methodical approach to identifying the typical effects that point toward chlorides, the sources of chlorides in process feed streams, chloride-induced failure mechanisms, methods for identifying chlorides, strategies for chloride control, and a step-by-step process […]

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