Case History

Refinery saves $140,000 in maintenance costs and gains $1 million in production revenue when using FQE® Solvent-H to decontaminate heat exchanger bundles

Results Achieved

76% reduction in down time
Over $1,000,000 in additional production revenue
Over $140,000 in
maintenance cost savings
Better ΔTs, cleaner equipment

Chemicals Utilized

Award-winning asphaltene dispersant and anti-foulant

Propane deasphalter heat exchanger bundle following competitive cleaning process (Left) and following the post-cleaning inspection after the FQE Chemicals cleaning process. 

A large petroleum refinery in Texas used
FQE Solvent-H to decontaminate and clean the heat exchangers in the deasphalter unit.

The heat exchangers were typically cleaned of their asphaltene build-up by removing the bundle and performing high pressure water blasting, taking up to 21 days per exchanger bank. Chemical cleaning had been tried repeatedly with no previous success.

The exchangers were cleaned using a 20% solution of FQE Solvent-H in
a cutter stock, which was circulated on-line for 36 hours at 93°C (200°F). This process took a total of 5 days.

Upon completion of the chemical clean, the exchangers were brought back on-line at full rates with better temperature differentials than previously seem post high pressure water blasting. This successful chemical clean saved the refinery over $140,000 in maintenance costs and an additional 16 days in production time resulting in over $1,000,000 in additional revenue.

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