Evaluation of fouling in heat exchangers of pre-heat section in crude oil distillation unit of Bandar Abbas oil refinery
محل انتشار: ششمین کنگره بین المللی مهندسی شیمی
سال انتشار: 1388
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,609
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شناسه ملی سند علمی:
ICHEC06_376
تاریخ نمایه سازی: 1 مهر 1388
چکیده مقاله:
During the extraction of crude oil, some non-organic impurity, including salt, minerals and water, remains in crude oil. In the separation processes which are done in upstream oil industries, a major part of these contaminants are eliminated. Then it’s transferred to the Oil Refining industries as a feed. Another amount of the minerals and water is settled in the refinery oil tanks. Then, crude oil is entered to the crude distillation units. But still a few impurities such as salts and minerals have remained in the crude oil feed that with the passage through the heat exchangers will gradually make sediment within them. Formation of precipitation through the crude oil pre-heating sections of Distillation units is the major factors of wasting energy in the refineries. About half of total operating cost is charged for energy in the refineries that a part of this is because of sediment in crude oil distillation units [1]. Heat deposition in heat exchangers of pre-heat sections in distillation units causes billions of dollars in refineries which will be additional costs [2]. For instance, in a pre-heated section of a crude oil distillation unit with a capacity of 100,000 BPD, 1- degree temperature drop can increase the rate of fuel cost 40,000 dollars and will release 750 tons of Carbon Dioxide [3]. Also fouling formation causes pressure drop and consequently causes increase in loading of pumps.
نویسندگان
Alireza Amin
Bandar Abbas Oil Refining Co.
Afshin Behroozi
Bandar Abbas Oil Refining Co.
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