{"id":345,"date":"2018-01-15T15:00:55","date_gmt":"2018-01-15T14:00:55","guid":{"rendered":"http:\/\/tim.univ-bpclermont.fr\/guida\/?page_id=345"},"modified":"2021-06-01T13:14:02","modified_gmt":"2021-06-01T12:14:02","slug":"research-projects","status":"publish","type":"page","link":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/?page_id=345","title":{"rendered":"Research Highlights"},"content":{"rendered":"<p>I explore aspects of <strong>physical chemistry <\/strong>contribute to a <strong>sustainable development<\/strong> while preserving the <strong>environment<\/strong>. Physical chemical aspects related to solvation and molecular transport are key to optimize solvents and separation media and are essential to predict the environmental fate of chemical<em>.<br \/>\n<\/em>My current research interests concern the study of <strong>solvation, solubility and separations in alternative<\/strong>, environmentally friendly <strong>solvents<\/strong>, mainly ionic liquids, from a point of view of <strong>molecular thermodynamics<\/strong>.<br \/>\nPorous liquids, in particular <strong>porous ionic liquids<\/strong>, are promising novel materials for gas <strong>separations<\/strong> but also as reaction medium in <strong>catalytic reactions<\/strong> involving gaseous reactants.<\/p>\n<p><strong>GASES IN IONIC FLUIDS<\/strong><\/p>\n<p>I study the <strong>absorption of gases in ionic solvents<\/strong> &#8211; room temperature ionic liquids or their mixtures ( <em>i.e.<\/em> multi ionic liquids, mixtures with molecular compounds, eutectic mixtures).<br \/>\nThe gases can be interesting to <strong>improve different separation processes<\/strong>, can be considered as <strong>models of complex solutes<\/strong> or can be used as <strong>molecular probes<\/strong> of the structure of the liquid solvent.<\/p>\n<ul>\n<li><strong>Ethane\/Ethylene Separation<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/Ethane-ene.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-392\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/Ethane-ene-300x224.png\" alt=\"\" width=\"344\" height=\"260\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Mole fraction solubility of ethane (empty symbols) and ethylene (full symbols) at 0.1 MPa partial pressure and as a function of temperature in two ionic liquids.<\/em><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/Untitled-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-387\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/Untitled-2-300x207.png\" alt=\"\" width=\"353\" height=\"248\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Spatial distribution functions of the center of mass of ethane (left hand-side) and ethylene (right hand-side) around the terminal atoms of the imidazolium cation. The surface corresponds to an iso-probability density 3.0 times the average of the system.<\/em><\/p>\n<ul>\n<li><strong>Carbon dioxide capture by carboxylate-based ionic liquids<br \/>\n<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/solub-water.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-407 aligncenter\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/solub-water-300x235.png\" alt=\"\" width=\"368\" height=\"291\" \/><\/a><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/NMR-water.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-408 aligncenter\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/NMR-water-300x222.png\" alt=\"\" width=\"363\" height=\"272\" \/><\/a><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/waterspatial.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-409 aligncenter\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/waterspatial-300x88.png\" alt=\"\" width=\"374\" height=\"118\" \/><\/a><em>Effect of water on the carbon dioxide absorption of imidazolium and pyrrolidinium acetate ionic liquids: a thermodynamic, spectroscopic and molecular simulation study<\/em><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/CO2mix.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-415 aligncenter\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2018\/01\/CO2mix-300x200.png\" alt=\"\" width=\"389\" height=\"264\" \/><\/a><em>Carbon dioxide absorption in mixtures of two ionic liquids with a common cation<\/em><\/p>\n<ul>\n<li><strong>Absorption of VOC in eutectic mixtures<\/strong><\/li>\n<\/ul>\n<div class=\"page\" title=\"Page 1\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>Eutectic mixtures can solubilise up to 500 times more volatile organic compounds compared water. We have determined experimentally vapour-liquid partition coefficients of various VOCs in eutectic mixtures using static headspace-gas chromatography:<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-622\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp-300x135.png\" alt=\"\" width=\"300\" height=\"135\" srcset=\"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp-300x135.png 300w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp-768x347.png 768w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp-1024x462.png 1024w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/VOCinDES_Exp-500x226.png 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>POLYMERS IN IONIC LIQUIDS<\/strong><\/p>\n<ul>\n<li><strong>Poly(ethylene glycol) dimethyl ether\u00a0in ammonium-based ionic liquids<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>POROUS IONIC LIQUIDS<br \/>\n<\/strong><\/p>\n<div class=\"page\" title=\"Page 1\">\n<div class=\"section\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>Porous ionic liquids can be prepared from the <strong>dispersion metal\u2013organic frameworks (MOFs) in ionic liquids (ILs)<\/strong>. Porous liquids prepared from 5 % of ZIF-8 in a phosphonium-based ionic liquid are capable of absorbing reversibly up to <strong>150 % more nitrogen<\/strong> and <strong>100 % more methane<\/strong> than the pure ionic liquid.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2019\/03\/FigurePrepPorous.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-497\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2019\/03\/FigurePrepPorous.png\" alt=\"\" width=\"397\" height=\"225\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"text-align: center;\"><em>Preparation of phosphonium-based porous ionic liquids<br \/>\n<\/em><\/p>\n<p style=\"text-align: left;\">When prepared from phosphonium carboxylate ionic liquids and ZIF-8, <strong>porous ionic liquids car absorb up to 100% more carbon dioxide<\/strong> than the pure MOF at low pressures.<a href=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-610 aligncenter\" src=\"http:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL-300x248.png\" alt=\"\" width=\"300\" height=\"248\" srcset=\"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL-300x248.png 300w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL-768x636.png 768w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL-1024x848.png 1024w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL-362x300.png 362w, https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/wp-content\/uploads\/2021\/06\/LevulinatePoIL.png 1590w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><em>Tetrabutylphosphonium levulinate porous liquids absorb large amounts of CO2 at 1 bar<br \/>\n<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>I explore aspects of physical chemistry contribute to a sustainable development while preserving the environment. Physical chemical aspects related to solvation and molecular transport are key to optimize solvents and separation media and are essential to predict the environmental fate &hellip; <a href=\"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/?page_id=345\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"showcase.php","meta":{"footnotes":""},"class_list":["post-345","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/pages\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345"}],"version-history":[{"count":62,"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/pages\/345\/revisions"}],"predecessor-version":[{"id":624,"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=\/wp\/v2\/pages\/345\/revisions\/624"}],"wp:attachment":[{"href":"https:\/\/perso.ens-lyon.fr\/margarida.costa-gomes\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}