Some Impurities Present In Crude Oil That Can Cause Corrosion

When produced to refinery processing, crude oil possesses many unwanted contaminants. They include sand, inorganic salts, drilling mud, polymer, corrosion byproduct, and many others. Therefore, desalting is required to remove all these impurities before distillation. And you can buy desalter parts to do so.


In this blog, we will talk about some of the impurities present in crude oil.

Inorganic salts.

When inorganic salt gets disintegrated in the crude oil preheat exchangers and heaters, it creates hydrogen chloride gas. Then, it gets compressed to liquid hydrochloric acid at an overhead structure of the distillation column, causing equipment to severely corrode.

Iron sulfide and oxide.

To prevent breaking down of equipment or corrosion due to salts in the crude oil, you can implement corrosion control. However, the product used to control corrosion of oil field appliances contains particulate iron sulfide and oxide. Condensation of these substances does lead to plugging of heat exchanger trains, tower trays, heater pipes, and others. Besides, they can also cause corrosion to any cover they are accelerated. Buy desalter parts to keep your equipment safe during this process.

Sand.

The sand or salt can present in crude oil can cause significant damage due to abrasion or erosion to pumps, pipelines, and many others.

If the calcium naphthenate compound in the crude unit residue stream is not removed, it can result in the production of lower grade coke and deactivation of the catalyst of fluid catalytic cracking (FCC) unit.

Make sure you protect your equipment when desalting and look for desalter spare parts.

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