Thermodynamic micellization model of asphaltene precipitation from petroleum fluids
A thermodynamic micellization model is proposed for the description of asphaltene precipitation from petroleum fluids. It describes the solubilization of asphaltene polar species by resin bipolar molecules in the micelles. A simple form of the standard Gibbs free energy of micellization is used. The...
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| Veröffentlicht in: | AIChE Journal 1996-06, Vol.42 (6), p.1753-1764 |
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| container_title | AIChE Journal |
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| creator | VICTOROV, A. I FIROOZABADI, A |
| description | A thermodynamic micellization model is proposed for the description of asphaltene precipitation from petroleum fluids. It describes the solubilization of asphaltene polar species by resin bipolar molecules in the micelles. A simple form of the standard Gibbs free energy of micellization is used. The petroleum fluid is assumed to be a dilute solution with respect to the monomeric asphaltenes, resins, and micelles. The Peng-Robinson equation of state (PR-EOS) is applied to describe the fugacity of monomeric asphaltene in the bulk of the petroleum fluid. Intermicellar interactions as well as osmotic pressure effects are neglected. The proposed model shows promising results to describe asphaltene deposition from crude mixtures. It predicts the change in precipitation power of different alkane precipitants and the effect of pressure on asphaltene precipitation. The amount and the onset of predicted asphaltene precipitation are sensitive to the amount of resins in the crude. All these results are in line with laboratory observations and oil-field data. |
| doi_str_mv | 10.1002/aic.690420626 |
| format | Article |
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I ; FIROOZABADI, A</creator><creatorcontrib>VICTOROV, A. I ; FIROOZABADI, A</creatorcontrib><description>A thermodynamic micellization model is proposed for the description of asphaltene precipitation from petroleum fluids. It describes the solubilization of asphaltene polar species by resin bipolar molecules in the micelles. A simple form of the standard Gibbs free energy of micellization is used. The petroleum fluid is assumed to be a dilute solution with respect to the monomeric asphaltenes, resins, and micelles. The Peng-Robinson equation of state (PR-EOS) is applied to describe the fugacity of monomeric asphaltene in the bulk of the petroleum fluid. Intermicellar interactions as well as osmotic pressure effects are neglected. The proposed model shows promising results to describe asphaltene deposition from crude mixtures. It predicts the change in precipitation power of different alkane precipitants and the effect of pressure on asphaltene precipitation. The amount and the onset of predicted asphaltene precipitation are sensitive to the amount of resins in the crude. All these results are in line with laboratory observations and oil-field data.</description><identifier>ISSN: 0001-1541</identifier><identifier>EISSN: 1547-5905</identifier><identifier>DOI: 10.1002/aic.690420626</identifier><identifier>CODEN: AICEAC</identifier><language>eng</language><publisher>Hoboken, NJ: Wiley Subscription Services</publisher><subject>02 PETROLEUM ; Applied sciences ; ASPHALTENES ; Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics ; Crude oil, natural gas and petroleum products ; DEPOSITION ; DISSOLUTION ; Energy ; EQUATIONS OF STATE ; Exact sciences and technology ; Fuels ; MATHEMATICAL MODELS ; MICELLAR SYSTEMS ; OIL WELLS ; PETROLEUM PRODUCTS ; PETROLEUM REFINERIES ; PRESSURE DEPENDENCE ; VAPOR PRESSURE</subject><ispartof>AIChE Journal, 1996-06, Vol.42 (6), p.1753-1764</ispartof><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,885,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3131992$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/256879$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>VICTOROV, A. I</creatorcontrib><creatorcontrib>FIROOZABADI, A</creatorcontrib><title>Thermodynamic micellization model of asphaltene precipitation from petroleum fluids</title><title>AIChE Journal</title><description>A thermodynamic micellization model is proposed for the description of asphaltene precipitation from petroleum fluids. It describes the solubilization of asphaltene polar species by resin bipolar molecules in the micelles. A simple form of the standard Gibbs free energy of micellization is used. The petroleum fluid is assumed to be a dilute solution with respect to the monomeric asphaltenes, resins, and micelles. The Peng-Robinson equation of state (PR-EOS) is applied to describe the fugacity of monomeric asphaltene in the bulk of the petroleum fluid. Intermicellar interactions as well as osmotic pressure effects are neglected. The proposed model shows promising results to describe asphaltene deposition from crude mixtures. It predicts the change in precipitation power of different alkane precipitants and the effect of pressure on asphaltene precipitation. The amount and the onset of predicted asphaltene precipitation are sensitive to the amount of resins in the crude. All these results are in line with laboratory observations and oil-field data.</description><subject>02 PETROLEUM</subject><subject>Applied sciences</subject><subject>ASPHALTENES</subject><subject>Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics</subject><subject>Crude oil, natural gas and petroleum products</subject><subject>DEPOSITION</subject><subject>DISSOLUTION</subject><subject>Energy</subject><subject>EQUATIONS OF STATE</subject><subject>Exact sciences and technology</subject><subject>Fuels</subject><subject>MATHEMATICAL MODELS</subject><subject>MICELLAR SYSTEMS</subject><subject>OIL WELLS</subject><subject>PETROLEUM PRODUCTS</subject><subject>PETROLEUM REFINERIES</subject><subject>PRESSURE DEPENDENCE</subject><subject>VAPOR PRESSURE</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNotj01LxDAQhoMouK4evUfw2jVJk7Y5yuIXLHhwPZd8TNxI2pQke9Bfb2A9DMM878PAi9AtJRtKCHtQ3mw6STgjHevO0IoK3jdCEnGOVoQQ2lRAL9FVzt_1Yv3AVuhjf4A0Rfszq8kbXAdC8L-q-DjjyiHg6LDKy0GFAjPgJYHxiy8nw6U44QVKigGOE3bh6G2-RhdOhQw3_3uNPp-f9tvXZvf-8rZ93DVfjPPSCK7FYDgYS7VpmaCgzcAo763kmsjedkJIXhMFRLnBak20rt2o5NZZ0rVrdHf6G3PxYza-gDmYOM9gyshEN_SyOvcnZ1HZqOCSmo3P45L8pNLP2NKWSsnaP5AzX_U</recordid><startdate>19960601</startdate><enddate>19960601</enddate><creator>VICTOROV, A. 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Analysis and characteristics</topic><topic>Crude oil, natural gas and petroleum products</topic><topic>DEPOSITION</topic><topic>DISSOLUTION</topic><topic>Energy</topic><topic>EQUATIONS OF STATE</topic><topic>Exact sciences and technology</topic><topic>Fuels</topic><topic>MATHEMATICAL MODELS</topic><topic>MICELLAR SYSTEMS</topic><topic>OIL WELLS</topic><topic>PETROLEUM PRODUCTS</topic><topic>PETROLEUM REFINERIES</topic><topic>PRESSURE DEPENDENCE</topic><topic>VAPOR PRESSURE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>VICTOROV, A. I</creatorcontrib><creatorcontrib>FIROOZABADI, A</creatorcontrib><collection>Pascal-Francis</collection><collection>OSTI.GOV</collection><jtitle>AIChE Journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VICTOROV, A. I</au><au>FIROOZABADI, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermodynamic micellization model of asphaltene precipitation from petroleum fluids</atitle><jtitle>AIChE Journal</jtitle><date>1996-06-01</date><risdate>1996</risdate><volume>42</volume><issue>6</issue><spage>1753</spage><epage>1764</epage><pages>1753-1764</pages><issn>0001-1541</issn><eissn>1547-5905</eissn><coden>AICEAC</coden><abstract>A thermodynamic micellization model is proposed for the description of asphaltene precipitation from petroleum fluids. It describes the solubilization of asphaltene polar species by resin bipolar molecules in the micelles. A simple form of the standard Gibbs free energy of micellization is used. The petroleum fluid is assumed to be a dilute solution with respect to the monomeric asphaltenes, resins, and micelles. The Peng-Robinson equation of state (PR-EOS) is applied to describe the fugacity of monomeric asphaltene in the bulk of the petroleum fluid. Intermicellar interactions as well as osmotic pressure effects are neglected. The proposed model shows promising results to describe asphaltene deposition from crude mixtures. It predicts the change in precipitation power of different alkane precipitants and the effect of pressure on asphaltene precipitation. The amount and the onset of predicted asphaltene precipitation are sensitive to the amount of resins in the crude. All these results are in line with laboratory observations and oil-field data.</abstract><cop>Hoboken, NJ</cop><pub>Wiley Subscription Services</pub><doi>10.1002/aic.690420626</doi><tpages>12</tpages></addata></record> |
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| language | eng |
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| source | Wiley Online Library Journals |
| subjects | 02 PETROLEUM Applied sciences ASPHALTENES Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics Crude oil, natural gas and petroleum products DEPOSITION DISSOLUTION Energy EQUATIONS OF STATE Exact sciences and technology Fuels MATHEMATICAL MODELS MICELLAR SYSTEMS OIL WELLS PETROLEUM PRODUCTS PETROLEUM REFINERIES PRESSURE DEPENDENCE VAPOR PRESSURE |
| title | Thermodynamic micellization model of asphaltene precipitation from petroleum fluids |
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