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Cycle life for successive runs on this diesel hydrotreater has varied from 6 to 18 months.The cycle history was analyzed to assess the difficulty of processing varying feeds. Sulfur speciation analysis enabled measurement of difficult sulfur in the feed components. The unit’s cycle life was found to correlate with the amount of difficult sulfur processed per cycle.
Correlations were developed to relate difficult feed sulfur to other feed properties so that feed difficulty could be routinely quantified and monitored. This method has provided a practical and useful tool for monitoring feed effects on cycle life.
This story was told during one of our semi-annual “War-stories lunches”, during which Hoekstra Trading clients share real-life stories of catalyst successes and failures in commercial units
Correlations were developed to relate difficult feed sulfur to other feed properties so that feed difficulty could be routinely quantified and monitored. This method has provided a practical and useful tool for monitoring feed effects on cycle life.
This story was told during one of our semi-annual “War-stories lunches”, during which Hoekstra Trading clients share real-life stories of catalyst successes and failures in commercial units
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