What are the hazards of salt content in the refined hydroprocessed feedstock, and how can it be controlled? Thank you
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For example, the raw materials currently in use such as anthracene oil, washing oil, and kerosene are being replaced by other types of oils in order to reduce costs; the salt content of these oils was not tested earlier. The salt content in the new oils that will be used going forward is between 9 and 10.5. It’s not clear what effects this might have How much should it be controlled at? Thank you all
A high salt content first corrodes equipment and pipelines; more importantly, the metals in the salts cause the catalyst to become rapidly poisoned and clogged, and this poisoning is irreversible! ! !
A high salt content in the diesel hydrogenation feed can lead to salt deposition in the lower temperature sections of the high-pressure heat exchangers, resulting in under-scale corrosion. In severe cases, leakage of the fluids flowing through the tubes and shell may occur, leading to poor quality of the refined diesel product; this necessitates shutting down the plant to repair the leaks.
Corroded pipelines, clogged heat exchangers, air-cooled tube bundles