ENERGY REDUCTION OF CRUDE DISTILLATION UNIT OF TABRIZ OIL REFINERY BY EXERGY ANALYSIS

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HAJI GHASEM SHARBAT DAR E.; MASOUMI M.E.

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Journal: Journal of Applied Research in Chemistry Year:2016 | Volume:9 | Issue:4 Page(s): 73-83

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Information Journal Paper

Title

ENERGY REDUCTION OF CRUDE DISTILLATION UNIT OF TABRIZ OIL REFINERY BY EXERGY ANALYSIS

Author(s)

HAJI GHASEM SHARBAT DAR E. | MASOUMI M.E. | Issue Writer Certificate

Keywords

ENERGY REDUCTIONQ2

EXERGY ANALYSISQ2

CRUDE OIL DISTILLATION UNITQ2

EXERGY EFFICIENCYQ2

Abstract

Crude distillation unit is one of the most energy consumption units in a refinery that its optimization will directly affect both refinery performance and products qualities. EXERGY ANALYSIS can define waste and insufficient points of a system by using 1st and 2ndthermodynamic laws. In this study, crude distillation unit of Tabriz refinery was simulated by Aspen Plus software and through EXERGY ANALYSIS indicated that the atmospheric distillation column section, and also LPG-Naphtha splitter section owned the lowest exergy efficiencies. Also it has been resulted that the main column has the largest value of exergy improvement potential. Hence, in this work, some solutions were suggested for increasing EXERGY EFFICIENCY that include introducing the preflash vapour directly to the main column, decreasing pressure drop of furnace and preflash drum, increasing the pump-arounds rates and changing their return stages to the main column. Moreover, this investigation evaluates their effects on energy loss and fuel gas rates reduction of the furnaces. Regarding the achieved improvements through the offered changes, it has been observed 1.6% increase and 2.03% reduction as maximum rates, and 0.1% rise and 0.65% drop as minimum rates, in EXERGY EFFICIENCY and fuel gas consumption respectively, according to base case. Also, the best proposed modification was considering the solutions of 15% rise in crude distillation column pump-around rates with an increase in the column’s feed temperature and also with a decrease in the condenser’s duty that caused the most reduction rate in energy loss about 3.22% for the unit.

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APA: Copy

HAJI GHASEM SHARBAT DAR, E., & MASOUMI, M.E.. (2016). ENERGY REDUCTION OF CRUDE DISTILLATION UNIT OF TABRIZ OIL REFINERY BY EXERGY ANALYSIS. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 9(4), 73-83. SID. https://sid.ir/paper/180097/en

Vancouver: Copy

HAJI GHASEM SHARBAT DAR E., MASOUMI M.E.. ENERGY REDUCTION OF CRUDE DISTILLATION UNIT OF TABRIZ OIL REFINERY BY EXERGY ANALYSIS. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2016;9(4):73-83. Available from: https://sid.ir/paper/180097/en

IEEE: Copy

E. HAJI GHASEM SHARBAT DAR, and M.E. MASOUMI, “ENERGY REDUCTION OF CRUDE DISTILLATION UNIT OF TABRIZ OIL REFINERY BY EXERGY ANALYSIS,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 9, no. 4, pp. 73–83, 2016, [Online]. Available: https://sid.ir/paper/180097/en

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