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Evaluation of Solubility Data Sf the System C02-H28 from 273 K to the Critical

By Crovetto, Rosa

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Book Id: WPLBN0000660288
Format Type: PDF eBook
File Size: 1.78 MB.
Reproduction Date: 2005
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Title: Evaluation of Solubility Data Sf the System C02-H28 from 273 K to the Critical  
Author: Crovetto, Rosa
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Language: English
Subject: Technology., Reference materials, Technology and literature
Collections: Techonology eBook Collection
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Crovetto, R. (n.d.). Evaluation of Solubility Data Sf the System C02-H28 from 273 K to the Critical. Retrieved from http://hawaiilibrary.net/


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Technical Reference Publication

Excerpt
Introduction: The solubility of C02 in H20 is of great importance in many different fields. At temperatures between 273 and 315 K it plays an essential role in biochemistry and biotechnology. At higher temperatures it becomes important to geo-chemistry, power plant water, chemistry, industrial steam water cycling, and engineering design. Also, a consistent set of evaluated data can be used as a test for predictions from nodes of aqueous solution...

Table of Contents
Contents 1. Introduction ...................................................... 576 comparison with the previous review by Wilhelm 1.1. Background .............................................. 576 et al. (see Ref. 4) .................................................. 580 1.2. Scope ........................................................ 576 4. Recommended values for k ' calculated from the 2. Brief Thermodynamic Description ...................... 576 selected fitting equation, P3, considering all the 2.1. Temperature Dependence of Henry's sources, at 5-Kinterval from 273.15 to 353.15 K. .. 582 Constant ................................................... 577 5. Smoothed values for In k at 15-K intervals from 3. Solubility of CO, in Water ................................... 578 353 K up; calculated from selected equations and 3.1. Literature Reviewed ................................. 578 EOS .................................................................. 583 3.1.a. Temperatures up to 353 K, Low Pressure, <2bars .................................................... 578 List sf Figures 3.2. Temperatures up to 353 K, High Pressures. ........................................................ 3.3. Temperatures up to the Critical Point of the Solvent, Any Pressure ........................ 4. Conclusions .......................................................... 5. Acknowledgments ................................................ 6. Keterences ............................................................ Appendix I. Procedure for Calculating Henry's Constants. ........................................................................ I. 1. Equation of Statc ....................................... I. 1.a. Equation of State for Low Temperatures.. I. 1 .b. Equation of State for High Temperatures. I. 1.c. Group B .................................................... 1.2. Effect of Pressure on Gas Solubility .......... 589 Appendix 11. Fitting Procedure Employed and Point Rejection Criteria ...................................................... 589 List of Tables 1. List of sources of data .......................................... 579 2. Adjusted coefficients for the fitting equations: P3; P3 + b; KD; DEN*2 and T* ( 1/3) ..................... 580 3. Low-temperature smoothed values of Ink0 and 01991 by the U.S. Secretary of Commerce on behalf of the United States. This copyright is assigned to the American Illstitute of Physics and the American Chemical Society. Reprints available from ACS; see Repgilts List at back of issue. - Deviation plots as (In k ep - In k ) versus temperature. (a) For In k calculated from equation P3 for all the selected sources for the low temperature data set. (b) Idem exciuding the sources NOV (61) andVE (855). (c) Idem with only two sources MOR ( 52) and MUR (7 11 ..................... Deviation plot as (In k :xp - In k !aI, ) versus tcmperature for the high temperature data set. (a) (Top) kO calculated from T*(1/3) with EOS I'R and (bottom) idem with W as EOS. (b) (Top) X: calculated from KID and Eq. (5) wit 11 EOS I'R and (bottom) idem with W as EOS.. ................. List sf Symbols Subscripts: 1: solvent, 2: solutc, (.: critical. Superscripts: 0: infinite dilution, *: pure substance, g: vapor phase, liq: liquid phnsc, s: saturation. a , , second tlcrivat ivc with respect to the volume and composition of the Helmholtz free energy k Henry's co~~stant v A mole fraction of solute in the liquid phase Y mole haceion of solute in the vapor phase Bi2 second cross vir:YaE coeacient 8847-2689/91/(9305?5-15/$5.00 575 9. Phys. Chem. Ref. Data, VQI. 20, No. 3,1991

 

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