TECHNICAL NOTES
Sep 1, 1990
Accurate Method for Calculation of Saturation DO
Author: Hesong HuaAuthor Affiliations
Publication: Journal of Environmental Engineering
Volume 116, Issue 5
Abstract
Paper presents a new formula for calculating the saturation value of oxygen applicable to seawater and fresh water from 0°C to 50°C. The average relative error δ is 0.031%, and the average absolute error Δ is 0.03 mg/1. In this paper, a new mechanism of gaseous solubility is proposed. It is assumed that two physical processes exist between the gaseous and liquid phases. Based on these assumptions, the following conclusion can be drawn. At constant partial pressure of gas, the relation between gaseous solubility and temperature can be expressed as , where solubility of gaseous component (mg/1); K=constant (mg/1); δH-vaperization heat of gaseous component in liquid phase (kcal/mole); R=gas constant (0.001987 kcal/moleK); and T-temperature (K).
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References
1.
Gameson, A. H., and Robertson, H. B. (1955). J. Appl. Chem., 5, 503.
2.
Isaacs, W. P., and Gaudy, A. F., Jr. (1968). “Atmospheric oxidation in a simulated stream.” J. Sanit. Engrg. Div., ASCE94(2), 319.
3.
Standard methods for the examination of water and wastewater. (1980). 15th Ed., APHA, AWWA, and WPCF.
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Copyright © 1990 ASCE.
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Published online: Sep 1, 1990
Published in print: Sep 1990
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Hesong Hua
Chf. Engr., Wuxi Pearl Lustre Pigment Factory, No. 50, Xiaozhang Ln., Heliekow, Wuxi, Jiangsu, China
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.