Rapid hydrocarbon dew points by infrared spectroscopy: Results and validation for binary mixtures of methane + {propane, isobutane and butane}

Corey J. Baker; Thomas J. Hughes; Brendan F. Graham; Kenneth N. Marsh; Eric F. May

Journal of Industrial and Engineering Chemistry, Vol.58, 304-310, February, 2018

DOI10.1016/j.jiec.2017.09.041 Export Citation

Rapid hydrocarbon dew points by infrared spectroscopy: Results and validation for binary mixtures of methane + {propane, isobutane and butane}

Corey J. Baker, Thomas J. Hughes, Brendan F. Graham, Kenneth N. Marsh, and Eric F. May^†

Fluid Science & Resources Division, School of Mechanical & Chemical Engineering, University of Western Australia, Crawley, WA 6009, Australia

E-mail:

An industrial hydrocarbon dew point detector based on infrared absorption spectroscopy was tested down to a temperature of 243 K and at pressures up to 10 MPa. Dew temperatures were measured isobarically for pure ethane and mixtures of methane + {propane, isobutane, or n-butane}. Ethane dew temperatures were within ±0.38 K of the reference equation of state prediction. Mixture dew temperatures below the cricondentherm were determined within 0.7 K. At higher pressures, dew temperatures were over-predicted due to the rapid changes in gas density with temperature. Improved performance could be achieved by isochoric operation, and by reducing temperature scan rates.

Keywords:Dew points;Infrared absorption spectroscopy;Methane;Propane;Butane

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[2] Rhodes CL, J. Chem. Eng. Data, 41(5), 947 (1996)

[3] Carlson EC, Chem. Eng. Prog., 92(10), 35 (1996)

[4] Rainwater JC, Friend DG, Hanley HJM, Harvey AH, Holcomb CD, Laesecke A, Magee JW, Muzny C, J. Chem. Eng. Data, 46, 1002 (2001)

[5] May EF, Edwards TJ, Mann AG, Edwards C, Point D, Int. J. Thermophys., 24, 1509 (2003)

[6] Laskowski LM, Kandil M, May E, Trebble M, Trengove R, Trinter J, Huang S, Marsh K,AIChE Spring National Meeting, New Orleans, LA, 2008.

[7] May EF, Guo JY, Oakley JH, Hughes TJ, Graham BF, Marsh KN, Huang SH, J. Chem. Eng. Data, 60(12), 3606 (2015)

[8] Zarrabian S, U.S. Patent 7,581,877, 2009.

[9] ZEGAZ Instruments, Inc., 2016.

[10] Bannell JLK, Dixon AG, Davies TP, U.S. Patent 4,799,235, 1989.

[11] Siska P, Vij KK, Eisenbart G, Dew point analyzer, U.S. Patent 4,946,288, 1990.

[12] Phillips DE, U.S. Patent 5,028,143, 1991.

[13] Nishizawa J, Kijima T, Ezell EF, Makihara A, U.S. Patent 5,971,609, 1996.

[14] Buecker D, Wagner W, J. Phys. Chem. Ref Data, 35, 205 (2006)

[15] Kunz O, Klimeck R, Wagner W, Jaeschke M, GERG Tech. Monogr., 15 (2007)

[16] Price AR, Kobayashi R, J. Chem. Eng. Data, 4, 40 (1959)

[17] Rozhnov MS, Kozia VG, Zhdanov VI, Khim. Promst.+, 674 (1988).

[18] Webster LA, Kidnay AJ, J. Chem. Eng. Data, 46, 759 (2001)

[19] Akers WW, Burns JF, Fairchild WR, Ind. Eng. Chem., 46, 2531 (1954)

[20] Reamer HH, Sage BH, Lacey WN, Ind. Eng. Chem., 42, 534 (1950)

[21] Sage BH, Lacey WN, Schaafsma JG, Ind. Eng. Chem., 26, 214 (1934)

[22] May EF, Miller RC, Shan Z, J. Chem. Eng. Data, 46, 1160 (2001)

[23] Kandil M, Thoma MJ, Syed T, Guo J, Graham B, Marsh K, Huang SH, May E, J. Chem. Eng. Data, 12, 4301 (2011)

[24] Barsuk SD, Skripka VG, Ben'yaminovich OA, Gaz. Prom-st., 15, 38 (1970)

[25] Elliot DG, Chen RJJ, Chappelear PS, Kobayashi R, J. Chem. Eng. Data, 19, 71 (1974)

[26] Kahre LC, J. Chem. Eng. Data, 19, 67 (1974)

[27] Mulholland KL, University of Kansas, Chemical and Petroleum Engineering, 1970.

[28] Roberts LR, Wang RH, Azarnoosh A, McKetta JJ, J. Chem. Eng. Data, 7, 484 (1962)