Processing high TAN crude with low sulphur shale oil presented challenging corrosion problems for a refiner.
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Fouling in preheaters, crude furnance and atmospheric tower bottoms exchangers directly impacts throughput and profitability, requiring rigorous evaluation strategies.
Guidelines to mitigate sedimentation fouling in heavy sour crude processing together with case studies illustrating how the improvements are captured.
Damaging polymeric fouling of internals can be cleaned in situ by safe chemical treatments.
This paper analyzes the corrosion distribution and corrosion control status of inferior crudes processing. Based on the characters of the corrosion control of refining devices, which is an dynamic and multi-factor impacted complex issue, a ...
Combining anticoke/antifoulant treatments with monitoring technology enabled a refinery to keep its visbreaker unit at the best process severity for any feed.
Comprehensive analysis of foulants in an ethylene plant’s caustic tower led to the identification of an effective treatment programme.
Preheat train design for heavy Canadian crudes can be very challenging, requiring an approach not normally required with other crudes.
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Detailed analysis of potential contributors identifies the root cause of fouling in naphtha hydrotreater feed-effluent exchangers.
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Fouling control techniques enabled an ebullated-bed resid hydrocracker to operate at high severity while the rate of fouling of critical areas was controlled.