Total-pressure vapor-liquid equilibrium data for binary systems of dichloromethane with pentane, acetone, ethyl acetate, methanol, and acetonitrile

Dichloromethane: Revision and extension of pρT relationships for the liquid

“…The resulting critical density which is obtained from equation (6) is q c = 476 kg Á m À3 in excellent agreement with the value q c = 475 kg Á m À3 recently selected by Xiang [45]. In figure 5, the experimental data on the saturated liquid density compiled from Legend: the symbols are: 4, Ganeff and Jungers [24]; N, 5, Mueller and Ignatowski [25]; d, Benoit and Charbonneau [14]; s, Boublik and Aim [26]; , Philippe et al [27]; , Handa et al [28]; h, Khurma et al [29]; È, Srivastava and Smith [30];, García-Sánchez et al [31]; +, Nath [32]; Â, Phatare et al [33]; e, critical point, this work. (b) Deviation plot of vapour pressure of CH 2 Cl 2 as a function of temperature.…”

“…Also it is not significantly different from the value of T b = 313.0 K indicated in the Ambrose report [44]. The vapour pressure data taken from the authors used in the fit of equation ( (3) compare favourably with the measurements made by the different authors the AAD being, respectively, 1.7% for the data in reference [24], 0.2% for reference [25], 0.1% for reference [26], 0.1% for reference [27], 0.2% for reference [29], 0.4% for [30] and 4% for [31]. The results from equation (3) are compared with the values obtained from the corresponding-states equation proposed by Xiang [45] and those from ESDU tables [53].…”

“…However some determinations cover temperature-pressure ranges which include higher temperatures and pressures above 101.325 kPa. For example, the measurements made by Kurma et al [29] are in the range T = (298.18 to 398.21) K at corresponding vapour pressures in the range p = (58.35 to 1030) kPa and virtually the identical ranges were investigated by Srivastava and Smith [30]. The only existing vapour pressure data covering the temperature range extending from low temperature up to the critical temperature are those due to Garcia-Sánchez et al [31].…”

“…[8]; , Kumagay and Takahashi [10]; 4, Diguet et al [11]; +, Demiriz [12]; s, Lugo et al [42]; h, this work; (Liquid-vapour locus): , Ganeff and Jungers [24]; ., Mueller and Ignatowski [25]; , Benoit and Charbonneau [14]; , Boublik and Aim [26]; , Philipe et al [27]; , Handa et al [28]; , Khurma et al [29]; , Srivanta et al [30]; e, García-Sanchéz, et al [31]; , Nath [32]; (-) vapour pressure curve calculated from equation (3). measured with a platinum resistance probe which has a temperature uncertainty of ±0.01 K. A Julabo P-50 thermostatic bath with silicone oil as circulating fluid was used in the thermostat circuit of the measuring cell which was held constant to ±0.01 K. The required pressure was generated and controlled with a Pressure Generator model 50-6-15, High Pressure Equipment Co., using acetone as the hydraulic fluid.…”

Solid–Liquid–Liquid Equilibria of the System Water, Acetonitrile, and Ammonium Bicarbonate in Multiphase Reacting Systems

“…Organic solvents − and, more recently, ionic liquids − or even newer molecules, have been used to increase the volatility of acetonitrile with respect to water, , or to induce a liquid–liquid separation. , This result could also be obtained without extracting agents, lowering the temperature, − though this methodology seems more attractive for laboratory rather than for industrial purposes. The liquid–liquid transition induced by ionic compounds was first studied systematically by Renard, Oberg, Heichelheim, − and Cannon and has since drawn the attention of other researchers, − until the very recent experimental and theoretical studies by An et al and Minglun et al The IUPAC and NIST organizations have compiled an extended review of the acetonitrile-based mixtures yielding a phase transition …”