Carbon dioxide-water system

Goodridue, F. and Bricknell, D.J. Trans. Inst. Chem. Eng. 40 (1962) 54. Interfacial resistance in the carbon dioxide-water system. 

Carbon dioxide-water systems play an important role in controlling the pH of alkaline and calcareous soils as well as adjusting solubility of most trace elements and their compounds. Carbon dioxide dissolves in water to form dissolved C02 and dissociated carbonic acid, H2CO30 ... 

Carbon Dioxide - Water System, The data of Wiebe and Gaddy (4, 5, 6) were used exclusively in this study to determine the interaction parameters for the carbon dioxide - water binary system. These data cover the temperature and pressure range from 12°C to 100°C and from 25 atm to 700 atm respectively. As with the HzS - H2O system, a constant interaction parameter has been obtained for the gaseous phase and the carbon dioxide - rich... 

Figure 3. Experimental and predicted vapor and aqueous liquid phase compositions for the carbon dioxide-water system ((-) P-R prediction data from Ref.

Larson, S.D., Phase Studies of the Two-Component Carbon Dioxide-Water System, Involving the Carbon Dioxide Hydrate, University of Illinois, Urbana, IL (1955). 

Larson SD (1955) Phase studies of the two-component carbon dioxide-water system involving the carbon dioxide hydrate. PhD dissertation, University of Illinois... 

Karasek, P, J. Pol, J. Planeta, et al. 2002. Partition coefficients of environmentally important phenols in a supercritical carbon dioxide-water system from concurrent extraction without analysis of the compressible phase. Anal. Chem. 74 4294-4297. 

FIGURE 1.28 Henry constant for carbon-dioxide/water system at 15°C (Example 1.28). Note 1 atm = 101.3 kPa. 

The quantities required for the Schmidt number are as follows. For the carbon dioxide-water system (C02-H20) at 23°C,... 

Valtz, A., A. Chapoy, C. Coquelet, P. Paricaud, and D. Richon. 2004. Vapor-liquid equilibria in the carbon dioxide-water system. Fluid Phase Equil. 226 333-344. 

D Souza, R., J.R. Patrick, and A.S. Teja. 1988. High pressure phase equilibria in the carbon dioxide - n-hexadecane and carbon dioxide - water systems. Can. J. Chem. Eng. 66 319-323. 

Horibe Y., Shigehara K., and Takakuwa Y. (1973) Isotope separation factors of carbon dioxide-water system and isotopic composition of atmospheric oxygen. J. Geophys. Res. 78, 2625-2629. 

Extrapolation to low temperatures of the CO2 hydrate dissociation pressure curve measured above 152K by Miller and Smythe [12] suggested to those workers that it should intersect the vapour pressure curve of solid CO2 at about 121K. Below this temperature the hydrate should be unstable relative to solid CO2 and ice. The phase diagram of the carbon dioxide-water system is shown in Figure 1. 

Figure 1. Phase equilibria in the carbon dioxide-water system. is ice, S2 solid CO, 1 and I2 liquid water and CO2, h hydrate and g gas. CO2 hydrate data are from references [12] through [16].

Z - absolute value of the ionic species charge For the carbon dioxide-water system this equation is... 

If all elemental balances, including hydrogen and oxygen balances, are written, an overall balance would be redundant and should not be written. Conversely, the oxygen balance can be left out in favor of an overall balance. For the carbon dioxide-water system the following material balances may be written a carbon balance... 

On the following pages are program listings for the ammonia-carbon dioxide-water system using the Edwards et al. modified Pitzer equation to calculate activity coefficients, and the Nakamura et al. (16) method of calculating fugacity... 

FOR THE AMMONIA-CARBON DIOXIDE-WATER SYSTEM USING THE EDWARDS, MAURER, NEWMAN AND PRAUSNITZ PITZER ACTIVITY COEFFICIENT CALCULATION METHOD AND THE NAKAMURA ET AL. METHOD TO CALCULATE FUGACITY COEFFICIENTS. THE SYSTEM HAS THIRTEEN UNKNOWNS ... 

SET VALUES FOR THE ARRAYS IN NAKAMURA FUGACITY COEFFICIENT ROUTINE FOR THE AMMONIA - CARBON DIOXIDE - WATER SYSTEM. ORDER 1 - WATER... 

Robinson D, Metha B (1971) Hydrates in the propane-carbon dioxide-water system. J Can Petrol Technol 10(01)... 

Figure 1.3 Phase behaviour of carbon dioxide/water system at temperatures between the critical hydrate temperature and the upper critical solution temperature, (a) Typical pressure/composi-tion diagram for carbon dioxide/water (a Class B2 system) at temperatures below the critical temperature of carbon dioxide but above the critical hydrate formation temperature. Data for arms B and C are shown in (b) and (c) respectively, (b) Solubility of liquid CO2 in water as a function of temperature and pressure (arm C in (a)), (c) Solubility of water in liquid CO2 as a function of temperature and pressure (arm B in (a)), (d) The three phase pressure curve compared with the vapour pressure curve of carbon dioxide showing the critical locus CsU (i.e. locus of points such as C on (e) where vapour properties merge with those of solvent-rich liquid). (Data reference [75].) (e) Detail of the isothermal pressure/composition diagram at 25°C (on left) and at temperature between Tc and Tu (on right). Subscripts 1 and 2 denote water-rich and C02-rich phase. Critical point C is shown as blocked-in circle. (Data reference for (b) and (c) is [81].)...

Figure 1.6 Pressure/composition diagrams for carbon dioxide/water system at temperatures above 250°C. Critical points are shown as blocked-in circles. Position of minimum M in critical locus estimated from data assembled in ref. [76] (see also ref. [79]).

The critical locus curve for the carbon dioxide/water system is approximately of the form shown by curve (d) in Figure 1.9 (a) that of the carbon dioxide/squalane system is more nearly described by curve (c), though the critical point of squalane is unattainable due to thermal decomposition. Critical loci for these and other systems in which carbon dioxide, ethane, ethylene and propane are the volatile component are given by Schneider [17]. 

Chapoy A, Mohammadi AH, Charenton A, Tohidi B, Richon D (2004) Measurement and modeling of gas solubility and literature review of the properties for the carbon dioxide-water system. Ind Eng Chem Res 43 1794-1802... 

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