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    Exergy Analysis of Single- and Two-Stage Crude Oil Distillation Units

    Source: Journal of Energy Resources Technology:;2003:;volume( 125 ):;issue: 003::page 199
    Author:
    Husain Al-Muslim
    ,
    Ibrahim Dincer
    ,
    Syed M. Zubair
    DOI: 10.1115/1.1595670
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In a refinery distillation plant, there are many components of interest to be analyzed thermodynamically, e.g., the crude oil heating furnace, the distillation column and a network of heat exchangers. Previous studies showed that the highest exergy losses occur when there is a heat transfer process especially in the crude oil heating furnace where high quality fuel is used to heat the crude oil, which is a low quality duty, beside the high temperature difference. Therefore, it is proposed in this work to perform distillation in two stages rather than one to reduce heat duty of the heating furnace and thus reducing irreversible losses. In this paper, energy and exergy analyses of a traditional one-stage crude oil distillation unit and a newly proposed two-stage crude oil distillation unit are conducted to study energy and exergy efficiencies of these units and determine the exergy losses. The results are compared for both one- and two-stage distillation units. In this regard, a commercial software package, SimSci/PRO II program is used to carry out both energy and exergy calculations. It is found that the overall exergy efficiencies for single- and two-stage distillation units are 14.0% and 31.5%, respectively. The proposed two-stage distillation unit shows 43.8% decrease in the overall exergy losses and 125% increase in the overall exergy efficiency.
    keyword(s): Exergy , Heat exchangers , Crude oil , Exergy analysis , Furnaces , Heat AND Heating ,
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      Exergy Analysis of Single- and Two-Stage Crude Oil Distillation Units

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    http://yetl.yabesh.ir/yetl1/handle/yetl/128274
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    • Journal of Energy Resources Technology

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    contributor authorHusain Al-Muslim
    contributor authorIbrahim Dincer
    contributor authorSyed M. Zubair
    date accessioned2017-05-09T00:09:59Z
    date available2017-05-09T00:09:59Z
    date copyrightSeptember, 2003
    date issued2003
    identifier issn0195-0738
    identifier otherJERTD2-26512#199_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/128274
    description abstractIn a refinery distillation plant, there are many components of interest to be analyzed thermodynamically, e.g., the crude oil heating furnace, the distillation column and a network of heat exchangers. Previous studies showed that the highest exergy losses occur when there is a heat transfer process especially in the crude oil heating furnace where high quality fuel is used to heat the crude oil, which is a low quality duty, beside the high temperature difference. Therefore, it is proposed in this work to perform distillation in two stages rather than one to reduce heat duty of the heating furnace and thus reducing irreversible losses. In this paper, energy and exergy analyses of a traditional one-stage crude oil distillation unit and a newly proposed two-stage crude oil distillation unit are conducted to study energy and exergy efficiencies of these units and determine the exergy losses. The results are compared for both one- and two-stage distillation units. In this regard, a commercial software package, SimSci/PRO II program is used to carry out both energy and exergy calculations. It is found that the overall exergy efficiencies for single- and two-stage distillation units are 14.0% and 31.5%, respectively. The proposed two-stage distillation unit shows 43.8% decrease in the overall exergy losses and 125% increase in the overall exergy efficiency.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleExergy Analysis of Single- and Two-Stage Crude Oil Distillation Units
    typeJournal Paper
    journal volume125
    journal issue3
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.1595670
    journal fristpage199
    journal lastpage207
    identifier eissn1528-8994
    keywordsExergy
    keywordsHeat exchangers
    keywordsCrude oil
    keywordsExergy analysis
    keywordsFurnaces
    keywordsHeat AND Heating
    treeJournal of Energy Resources Technology:;2003:;volume( 125 ):;issue: 003
    contenttypeFulltext
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