Interfacial Properties of Asphaltenes at the Heptol–Brine Interface
Water–oil emulsion is inevitable in the production of crude oil. Understanding the role of asphaltenes at the Heptol (mixture of n-heptane and toluene)–brine interface is of significant importance to deal with oil lost and the waste disposal. The effect of asphaltene concentration on the interfacial...
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| Veröffentlicht in: | Energy & fuels 2016-01, Vol.30 (1), p.80-87 |
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| container_title | Energy & fuels |
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| creator | Hu, Chuntian Garcia, Nicole C Xu, Rongzuo Cao, Tran Yen, Andrew Garner, Susan A Macias, Jose M Joshi, Nikhil Hartman, Ryan L |
| description | Water–oil emulsion is inevitable in the production of crude oil. Understanding the role of asphaltenes at the Heptol (mixture of n-heptane and toluene)–brine interface is of significant importance to deal with oil lost and the waste disposal. The effect of asphaltene concentration on the interfacial tension at the Heptol-brine interface at various times and temperatures (25.0–85.0 °C), as well as in the presence or absence of hydrophobic or hydrophilic silica particles, was tested using a Tracker tensiometer. A transparent quartz packed-bed microreactor with in-line analytics was designed to test the emulsion block in porous media. Experimental results show that the presence of asphaltenes and large hydrophobic inorganic particles in Heptol could stabilize the water in oil emulsions. The results could aid in the design of remediation to improve water displacement of crude oil in sandstone reservoirs and enhance the crude oil recovery. |
| doi_str_mv | 10.1021/acs.energyfuels.5b01855 |
| format | Article |
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Understanding the role of asphaltenes at the Heptol (mixture of n-heptane and toluene)–brine interface is of significant importance to deal with oil lost and the waste disposal. The effect of asphaltene concentration on the interfacial tension at the Heptol-brine interface at various times and temperatures (25.0–85.0 °C), as well as in the presence or absence of hydrophobic or hydrophilic silica particles, was tested using a Tracker tensiometer. A transparent quartz packed-bed microreactor with in-line analytics was designed to test the emulsion block in porous media. Experimental results show that the presence of asphaltenes and large hydrophobic inorganic particles in Heptol could stabilize the water in oil emulsions. 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Understanding the role of asphaltenes at the Heptol (mixture of n-heptane and toluene)–brine interface is of significant importance to deal with oil lost and the waste disposal. The effect of asphaltene concentration on the interfacial tension at the Heptol-brine interface at various times and temperatures (25.0–85.0 °C), as well as in the presence or absence of hydrophobic or hydrophilic silica particles, was tested using a Tracker tensiometer. A transparent quartz packed-bed microreactor with in-line analytics was designed to test the emulsion block in porous media. Experimental results show that the presence of asphaltenes and large hydrophobic inorganic particles in Heptol could stabilize the water in oil emulsions. The results could aid in the design of remediation to improve water displacement of crude oil in sandstone reservoirs and enhance the crude oil recovery.</description><subject>Asphaltenes</subject><subject>Crude oil</subject><subject>Design analysis</subject><subject>Emulsions</subject><subject>Microreactors</subject><subject>Porous media</subject><subject>Remediation</subject><subject>Tensiometers</subject><issn>0887-0624</issn><issn>1520-5029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkLFOwzAURS0EEqXwDWRkSXi2k9gZS1VopUowwGw5zjNNlSbBdoZu_AN_yJeQqkViY3rLOVd6h5BbCgkFRu-18Qm26N73dsDGJ1kJVGbZGZnQjEGcASvOyQSkFDHkLL0kV95vASDnMpuQxaoN6Kw2tW6iF9f16EKNPupsNPP9Rjdh3PaRDlHYYLTEPnTN9-fXg6tbjH5dvCYXVjceb053St4eF6_zZbx-flrNZ-tYc0FDbPIKeYqAgmmZoWEGZZWWmDNbFFyUBecUoUpZTtOqBCYk2kpoYyiXBQfGp-TuuNu77mNAH9Su9gabRrfYDV5RCZKylIEYUXFEjeu8d2hV7-qddntFQR3CqTGc-hNOncKNJj-aB2DbDa4dX_rX-gHVgHlX</recordid><startdate>20160121</startdate><enddate>20160121</enddate><creator>Hu, Chuntian</creator><creator>Garcia, Nicole C</creator><creator>Xu, Rongzuo</creator><creator>Cao, Tran</creator><creator>Yen, Andrew</creator><creator>Garner, Susan A</creator><creator>Macias, Jose M</creator><creator>Joshi, Nikhil</creator><creator>Hartman, Ryan L</creator><general>American Chemical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160121</creationdate><title>Interfacial Properties of Asphaltenes at the Heptol–Brine Interface</title><author>Hu, Chuntian ; Garcia, Nicole C ; Xu, Rongzuo ; Cao, Tran ; Yen, Andrew ; Garner, Susan A ; Macias, Jose M ; Joshi, Nikhil ; Hartman, Ryan L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a371t-c6de34e0e72a85ec2ce8d4be62f9937b9331e0d42614db0278efd7acc13893023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Asphaltenes</topic><topic>Crude oil</topic><topic>Design analysis</topic><topic>Emulsions</topic><topic>Microreactors</topic><topic>Porous media</topic><topic>Remediation</topic><topic>Tensiometers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Chuntian</creatorcontrib><creatorcontrib>Garcia, Nicole C</creatorcontrib><creatorcontrib>Xu, Rongzuo</creatorcontrib><creatorcontrib>Cao, Tran</creatorcontrib><creatorcontrib>Yen, Andrew</creatorcontrib><creatorcontrib>Garner, Susan A</creatorcontrib><creatorcontrib>Macias, Jose M</creatorcontrib><creatorcontrib>Joshi, Nikhil</creatorcontrib><creatorcontrib>Hartman, Ryan L</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Energy & fuels</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Chuntian</au><au>Garcia, Nicole C</au><au>Xu, Rongzuo</au><au>Cao, Tran</au><au>Yen, Andrew</au><au>Garner, Susan A</au><au>Macias, Jose M</au><au>Joshi, Nikhil</au><au>Hartman, Ryan L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interfacial Properties of Asphaltenes at the Heptol–Brine Interface</atitle><jtitle>Energy & fuels</jtitle><addtitle>Energy Fuels</addtitle><date>2016-01-21</date><risdate>2016</risdate><volume>30</volume><issue>1</issue><spage>80</spage><epage>87</epage><pages>80-87</pages><issn>0887-0624</issn><eissn>1520-5029</eissn><abstract>Water–oil emulsion is inevitable in the production of crude oil. Understanding the role of asphaltenes at the Heptol (mixture of n-heptane and toluene)–brine interface is of significant importance to deal with oil lost and the waste disposal. The effect of asphaltene concentration on the interfacial tension at the Heptol-brine interface at various times and temperatures (25.0–85.0 °C), as well as in the presence or absence of hydrophobic or hydrophilic silica particles, was tested using a Tracker tensiometer. A transparent quartz packed-bed microreactor with in-line analytics was designed to test the emulsion block in porous media. Experimental results show that the presence of asphaltenes and large hydrophobic inorganic particles in Heptol could stabilize the water in oil emulsions. 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| ispartof | Energy & fuels, 2016-01, Vol.30 (1), p.80-87 |
| issn | 0887-0624 1520-5029 |
| language | eng |
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| source | American Chemical Society Journals |
| subjects | Asphaltenes Crude oil Design analysis Emulsions Microreactors Porous media Remediation Tensiometers |
| title | Interfacial Properties of Asphaltenes at the Heptol–Brine Interface |
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