Experimental Investigation on the Solubility and Initial Rate of Absorption of CO2 in Mixture of Amine-Functionalized Ionic Liquids and Physical Solvents

Abstract

<span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>In this paper, the experimental investigation ofsolubility and initial absorption rate of</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>CO</em><span style="font-size: 7pt; color: #000000; font-style: normal; font-variant: normal;"><em>2 </em><span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>gas in methanol and 1-ethyl-3-methylimidazolium ethylsulfate, [emim][EtSO</em><span style="font-size: 7pt; color: #000000; font-style: normal; font-variant: normal;"><em>4</em><span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>]</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>solution of amine-functionalized imidazolium based ionic liquids, namely 1-(3-</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>aminopropyl)-3-methylimidazolium, [apmim], with tetrafluoroborate, [BF</em><span style="font-size: 7pt; color: #000000; font-style: normal; font-variant: normal;"><em>4</em><span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>],</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>hexafluorophosphate, [PF</em><span style="font-size: 7pt; color: #000000; font-style: normal; font-variant: normal;"><em>6</em><span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>] and trifluoromethanesulfonate [OTf] anions are presented.</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>All ionic liquids in this work are synthesized according to literature procedure and all</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>experimental trials were carried out at T=303.15 K and pressure from atmospheric to 40</em> <span style="font-size: 10pt; color: #000000; font-style: normal; font-variant: normal;"><em>bar.</em></span></span></span></span></span></span></span><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" /><br class="Apple-interchange-newline" /></span></span></span></span></span></span></span></span></span>