Nonelectrolyte NRTL-NRF model to study thermodynamics of strong and weak electrolyte solutions
An electrolyte activity coefficient model is proposed by combining non-electrolyte NRTL-NRF local composition model and Pitzer–Debye–Hückel equation as short-range and long-range contributions, respectively. With two adjustable parameters per each electrolyte, the present model is applied to correla...
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| Veröffentlicht in: | The Journal of chemical thermodynamics 2011-03, Vol.43 (3), p.354-363 |
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| container_title | The Journal of chemical thermodynamics |
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| creator | Haghtalab, Ali Shojaeian, Abolfazl Mazloumi, Seyed Hossein |
| description | An electrolyte activity coefficient model is proposed by combining non-electrolyte NRTL-NRF local composition model and Pitzer–Debye–Hückel equation as short-range and long-range contributions, respectively. With two adjustable parameters per each electrolyte, the present model is applied to correlation of the mean activity coefficients of more than 150 strong aqueous electrolyte solutions at 298.15
K. Also the results of the present model are compared with the other local composition models such as electrolyte-NRTL, electrolyte-NRTL-NRF and electrolyte-Wilson-NRF models. Moreover, the present model is used for prediction of the osmotic coefficient of several aqueous binary electrolytes systems at 298.15
K. Also the present activity coefficient model is adopted for representation of nonideality of the acid gases, as weak gas electrolytes, soluble in alkanolamine solutions. The model is applied for calculation of solubility and heat of absorption (enthalpy of solution) of acid gas in the two {(H
2O
+
MDEA
+
CO
2) and (H
2O
+
MDEA
+
H
2S)} systems at different conditions. The results demonstrate that the present model can be successfully applied to study thermodynamic properties of both strong and weak electrolyte solutions. |
| doi_str_mv | 10.1016/j.jct.2010.10.004 |
| format | Article |
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K. Also the results of the present model are compared with the other local composition models such as electrolyte-NRTL, electrolyte-NRTL-NRF and electrolyte-Wilson-NRF models. Moreover, the present model is used for prediction of the osmotic coefficient of several aqueous binary electrolytes systems at 298.15
K. Also the present activity coefficient model is adopted for representation of nonideality of the acid gases, as weak gas electrolytes, soluble in alkanolamine solutions. The model is applied for calculation of solubility and heat of absorption (enthalpy of solution) of acid gas in the two {(H
2O
+
MDEA
+
CO
2) and (H
2O
+
MDEA
+
H
2S)} systems at different conditions. The results demonstrate that the present model can be successfully applied to study thermodynamic properties of both strong and weak electrolyte solutions.</description><identifier>ISSN: 0021-9614</identifier><identifier>EISSN: 1096-3626</identifier><identifier>DOI: 10.1016/j.jct.2010.10.004</identifier><identifier>CODEN: JCTDAF</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Activity coefficients ; Adjustable ; Alkanolamines ; Aqueous electrolytes ; Chemical thermodynamics ; Chemistry ; Correlation ; Electrolytes ; Exact sciences and technology ; General and physical chemistry ; Heat of absorption ; Local composition model ; Mathematical models ; MDEA ; Mixtures ; Nonelectrolyte NRTL-NRF ; Strong and weak electrolyte ; Thermodynamic properties ; Thermodynamics</subject><ispartof>The Journal of chemical thermodynamics, 2011-03, Vol.43 (3), p.354-363</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-b757aa0afdf22c268813a118607d21235fe14f13690047487b123116cc6760763</citedby><cites>FETCH-LOGICAL-c359t-b757aa0afdf22c268813a118607d21235fe14f13690047487b123116cc6760763</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0021961410003034$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23819393$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Haghtalab, Ali</creatorcontrib><creatorcontrib>Shojaeian, Abolfazl</creatorcontrib><creatorcontrib>Mazloumi, Seyed Hossein</creatorcontrib><title>Nonelectrolyte NRTL-NRF model to study thermodynamics of strong and weak electrolyte solutions</title><title>The Journal of chemical thermodynamics</title><description>An electrolyte activity coefficient model is proposed by combining non-electrolyte NRTL-NRF local composition model and Pitzer–Debye–Hückel equation as short-range and long-range contributions, respectively. With two adjustable parameters per each electrolyte, the present model is applied to correlation of the mean activity coefficients of more than 150 strong aqueous electrolyte solutions at 298.15
K. Also the results of the present model are compared with the other local composition models such as electrolyte-NRTL, electrolyte-NRTL-NRF and electrolyte-Wilson-NRF models. Moreover, the present model is used for prediction of the osmotic coefficient of several aqueous binary electrolytes systems at 298.15
K. Also the present activity coefficient model is adopted for representation of nonideality of the acid gases, as weak gas electrolytes, soluble in alkanolamine solutions. The model is applied for calculation of solubility and heat of absorption (enthalpy of solution) of acid gas in the two {(H
2O
+
MDEA
+
CO
2) and (H
2O
+
MDEA
+
H
2S)} systems at different conditions. The results demonstrate that the present model can be successfully applied to study thermodynamic properties of both strong and weak electrolyte solutions.</description><subject>Activity coefficients</subject><subject>Adjustable</subject><subject>Alkanolamines</subject><subject>Aqueous electrolytes</subject><subject>Chemical thermodynamics</subject><subject>Chemistry</subject><subject>Correlation</subject><subject>Electrolytes</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Heat of absorption</subject><subject>Local composition model</subject><subject>Mathematical models</subject><subject>MDEA</subject><subject>Mixtures</subject><subject>Nonelectrolyte NRTL-NRF</subject><subject>Strong and weak electrolyte</subject><subject>Thermodynamic properties</subject><subject>Thermodynamics</subject><issn>0021-9614</issn><issn>1096-3626</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kFFLwzAUhYMoOKc_wLe8iE-duUmbtvgk4lQYE8Z8NWRpqqldM5NU2b83dUN88ulyD-eey_kQOgcyAQL8qpk0Kkwo-dknhKQHaASk5AnjlB-iESEUkpJDeoxOvG8IISUryQi9zG2nW62Cs-02aDxfLGfJfDHFa1vpFgeLfeirLQ5v2kVp28m1UR7bOurOdq9YdhX-0vId_03xtu2DsZ0_RUe1bL0-288xep7eLW8fktnT_ePtzSxRLCtDssqzXEoi66qmVFFeFMAkQMFJXlGgLKs1pDUwXsZmeVrkqygCcKV4Hj2cjdHlLnfj7EevfRBr45VuW9lp23tRZFlO0pSz6ISdUznrvdO12Dizlm4rgIgBpWhERCkGlIMUH8abi3269Eq2tZOdMv73kLICIs0h-3rn07Hqp9FOeGV0p3RlXIQjKmv--fINmr6IWg</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Haghtalab, Ali</creator><creator>Shojaeian, Abolfazl</creator><creator>Mazloumi, Seyed Hossein</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110301</creationdate><title>Nonelectrolyte NRTL-NRF model to study thermodynamics of strong and weak electrolyte solutions</title><author>Haghtalab, Ali ; Shojaeian, Abolfazl ; Mazloumi, Seyed Hossein</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-b757aa0afdf22c268813a118607d21235fe14f13690047487b123116cc6760763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Activity coefficients</topic><topic>Adjustable</topic><topic>Alkanolamines</topic><topic>Aqueous electrolytes</topic><topic>Chemical thermodynamics</topic><topic>Chemistry</topic><topic>Correlation</topic><topic>Electrolytes</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Heat of absorption</topic><topic>Local composition model</topic><topic>Mathematical models</topic><topic>MDEA</topic><topic>Mixtures</topic><topic>Nonelectrolyte NRTL-NRF</topic><topic>Strong and weak electrolyte</topic><topic>Thermodynamic properties</topic><topic>Thermodynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Haghtalab, Ali</creatorcontrib><creatorcontrib>Shojaeian, Abolfazl</creatorcontrib><creatorcontrib>Mazloumi, Seyed Hossein</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>The Journal of chemical thermodynamics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Haghtalab, Ali</au><au>Shojaeian, Abolfazl</au><au>Mazloumi, Seyed Hossein</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nonelectrolyte NRTL-NRF model to study thermodynamics of strong and weak electrolyte solutions</atitle><jtitle>The Journal of chemical thermodynamics</jtitle><date>2011-03-01</date><risdate>2011</risdate><volume>43</volume><issue>3</issue><spage>354</spage><epage>363</epage><pages>354-363</pages><issn>0021-9614</issn><eissn>1096-3626</eissn><coden>JCTDAF</coden><abstract>An electrolyte activity coefficient model is proposed by combining non-electrolyte NRTL-NRF local composition model and Pitzer–Debye–Hückel equation as short-range and long-range contributions, respectively. With two adjustable parameters per each electrolyte, the present model is applied to correlation of the mean activity coefficients of more than 150 strong aqueous electrolyte solutions at 298.15
K. Also the results of the present model are compared with the other local composition models such as electrolyte-NRTL, electrolyte-NRTL-NRF and electrolyte-Wilson-NRF models. Moreover, the present model is used for prediction of the osmotic coefficient of several aqueous binary electrolytes systems at 298.15
K. Also the present activity coefficient model is adopted for representation of nonideality of the acid gases, as weak gas electrolytes, soluble in alkanolamine solutions. The model is applied for calculation of solubility and heat of absorption (enthalpy of solution) of acid gas in the two {(H
2O
+
MDEA
+
CO
2) and (H
2O
+
MDEA
+
H
2S)} systems at different conditions. The results demonstrate that the present model can be successfully applied to study thermodynamic properties of both strong and weak electrolyte solutions.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.jct.2010.10.004</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0021-9614 |
| ispartof | The Journal of chemical thermodynamics, 2011-03, Vol.43 (3), p.354-363 |
| issn | 0021-9614 1096-3626 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Activity coefficients Adjustable Alkanolamines Aqueous electrolytes Chemical thermodynamics Chemistry Correlation Electrolytes Exact sciences and technology General and physical chemistry Heat of absorption Local composition model Mathematical models MDEA Mixtures Nonelectrolyte NRTL-NRF Strong and weak electrolyte Thermodynamic properties Thermodynamics |
| title | Nonelectrolyte NRTL-NRF model to study thermodynamics of strong and weak electrolyte solutions |
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