Desalter Equipment in Refinery to remove and clean Crude Oil from salt and undesirable impurities.
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- Опубліковано 6 лют 2025
- What is a Desalter Process ?
A desalter is a process unit in an oil refinery that removes salt from the crude oil. The salt is dissolved in the water in the crude oil, not in the crude oil itself. The desalting is usually the first process in crude oil refining.
Why is Desalting of Crude necessary ?
The purpose of crude oil desalting is to remove these undesirable impurities, especially salts and water, from the crude oil prior to distillation. The salt content in the crude oil varies depending on source of the crude oil. ... To avoid corrosion due to salts in the crude oil, corrosion control can be used.
Why is High Salt content not desirable in Oil ?
Salt is not desirable in the refining plant due to formation of deposits on the equipment / vessel walls, and also corrosion of equipment / vessel walls. Hence, almost all of the salt content in crude oil is removed using a desalting unit.
How dose a Crude Desalter work ?
In the desalter, the crude oil is heated and then mixed with 5-15% volume of fresh water so that the water can dilute the dissolved salts. The oil-water mix is put into a settling tank to allow the salt-containing water to separate and be drawn off. Frequently, an electric field is used to encourage water separation.
** Poor desalting has the following effects:
1- Salts deposit inside the tubes of furnaces and on the tube bundles of heat exchangers creating fouling,thus reducing the heat transfer efficiency.
2- Corrosion of equipment.
3- Salts carried with the products act as catalyst poisons in catalytic cracking units.
** Types of Salts in Crude Oil .
1- Magnesium chlorides (MgCl2)
Reaction (MgCl2 + 2H2O → Mg(OH)2 + 2HCl)
2- Calcium chlorides (CaCl2)
Reaction ( CaCl2 + 2H2O → Ca(OH)2 + 2HCl)
3- Sodium chlorides (NaCl)
** Acceptable Salt range out of Desalter ?
The salt content should be less than 1 PTB .
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Its Really Motivates me
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Thank you please continue 👍
Start a lecture series on desalters, furnaces, pumps, distillation coulms and all..minimum 1 hr vdios ..i will be very thnkful..thankss
Hi Najmul
Thanks for your support, I will do it as soon as possible inshallah
Have a great day
Nice
.broo make a very details vediox..showing all infos
Hi Karawan,
You are doing a wonderful job. Please make videos in english. would be grateful
Thanks Mr. Haseeb
I will do it inshallah
Have a great day
Thanks Mr. Karawan. I suggest if you can insert a translation (arabic or English) in your next videos.
Hi Mr.Ali , Thanks for your recommendation about my channel's video
Those video recorded along time ago ,for that reason I didn't focus on language just I wanted to share real life on refinery
I do all my best to do that dude insha alah in the feature