Determination of Mass Transfer Coefficients for Hydrogen and Benzene in Wastewater Tanks PDF Download
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Author:
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Category :
Languages : en
Pages : 5
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Book Description
The authors examined transfer of hydrogen gas from a salt solution in a high level radioactive tank. Utilizing existing data, we developed a methodology to estimate the liquid-phase mass transfer coefficient of hydrogen and benzene under varying conditions. These analyses indicate the impact of the operational and system parameters on the liquid-phase mass transfer coefficient for hydrogen and benzene. We compared the results to a published model of mass transfer coefficients, and noticed discrepancies between the measured mass transfer coefficients and those predicted by the model.
Author:
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ISBN:
Category :
Languages : en
Pages : 5
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Book Description
The authors examined transfer of hydrogen gas from a salt solution in a high level radioactive tank. Utilizing existing data, we developed a methodology to estimate the liquid-phase mass transfer coefficient of hydrogen and benzene under varying conditions. These analyses indicate the impact of the operational and system parameters on the liquid-phase mass transfer coefficient for hydrogen and benzene. We compared the results to a published model of mass transfer coefficients, and noticed discrepancies between the measured mass transfer coefficients and those predicted by the model.
Author:
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ISBN:
Category : Science
Languages : en
Pages : 1058
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Author: Johnny Lee
Publisher: Cambridge Scholars Publishing
ISBN: 1527544605
Category : Technology & Engineering
Languages : en
Pages : 240
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Book Description
The discovery of a Standard Specific Baseline Mass Transfer Coefficient (KLa0)20 represents a revolutionary change in the understanding, designing, operation and maintenance of aeration equipment, as well as providing a baseline for future research and development for water and wastewater treatment systems. Previously, it has not been possible to correlate mass transfer coefficients (KLa) from one test to another, even under ordinary testing circumstances. This book discusses the use of the Standard Model to determine the baseline for any test, and its major finding is showing that gas transfer is a consistent relativistic theory of molecular interactions based on the Standard Model. Previously, the primary challenge was the appearance of divergences in the mass transfer coefficient calculations and estimations. This procedure of renormalization to a baseline is a great achievement in physics and engineering.
Author: Neuzil, V
Publisher:
ISBN:
Category :
Languages : en
Pages : 29
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Author:
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Category :
Languages : en
Pages :
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Mass transfer rates were measured in a large scale system, which consisted of an 8.4 meter tall by 0.76 meter diameter column containing one of three fluids: water with an anti-foam agent, water without an anti-foam agent, and AZ101 simulant, which simulated a non-Newtonian nuclear waste. The testing contributed to the evaluation of large scale mass transfer of hydrogen in nuclear waste tanks. Due to its radioactivity, the waste was chemically simulated, and due to flammability concerns oxygen was used in lieu of hydrogen. Different liquids were used to better understand the mass transfer processes, where each of the fluids was saturated with oxygen, and the oxygen was then removed from solution as air bubbled up, or sparged, through the solution from the bottom of the column. Air sparging was supplied by a single tube which was co-axial to the column, the decrease in oxygen concentration was recorded, and oxygen measurements were then used to determine the mass transfer coefficients to describe the rate of oxygen transfer from solution. Superficial, average, sparging velocities of 2, 5, and 10 mm/second were applied to each of the liquids at three different column fill levels, and mass transfer coefficient test results are presented here for combinations of superficial velocities and fluid levels.
Author:
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ISBN:
Category : Hydrology
Languages : en
Pages : 806
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Book Description
Author: Sunggyu Lee
Publisher: Taylor & Francis US
ISBN: 9780824755607
Category : Science
Languages : en
Pages : 682
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Book Description
Collecting information of vital interest to chemical, polymer, mechanical, electrical, and civil engineers, as well as chemists and chemical researchers, this "Encyclopedia "supplies nearly 350 articles on current design, engineering, science, and manufacturing practices-offering expertly written articles on technologies at the forefront of the field to maximize and enhance the research and production phases of current and emerging chemical manufacturing practices and techniques.
Author: Jaime Benitez
Publisher: John Wiley & Sons
ISBN: 1119276942
Category : Technology & Engineering
Languages : en
Pages : 667
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Book Description
A staple in any chemical engineering curriculum New edition has a stronger emphasis on membrane separations, chromatography and other adsorptive processes, ion exchange Discusses many developing topics in more depth in mass transfer operations, especially in the biological engineering area Covers in more detail phase equilibrium since distillation calculations are completely dependent on this principle Integrates computational software and problems using Mathcad Features 25-30 problems per chapter
Author: Sunggyu Lee
Publisher: CRC Press
ISBN: 1351237683
Category : Science
Languages : en
Pages : 3338
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Book Description
This second edition Encyclopedia supplies nearly 350 gold standard articles on the methods, practices, products, and standards influencing the chemical industries. It offers expertly written articles on technologies at the forefront of the field to maximize and enhance the research and production phases of current and emerging chemical manufacturing practices and techniques. This collecting of information is of vital interest to chemical, polymer, electrical, mechanical, and civil engineers, as well as chemists and chemical researchers. A complete reconceptualization of the classic reference series the Encyclopedia of Chemical Processing and Design, whose first volume published in 1976, this resource offers extensive A-Z treatment of the subject in five simultaneously published volumes, with comprehensive indexing of all five volumes in the back matter of each tome. It includes material on the design of key unit operations involved with chemical processes; the design, unit operation, and integration of reactors and separation systems; process system peripherals such as pumps, valves, and controllers; analytical techniques and equipment; and pilot plant design and scale-up criteria. This reference contains well-researched sections on automation, equipment, design and simulation, reliability and maintenance, separations technologies, and energy and environmental issues. Authoritative contributions cover chemical processing equipment, engineered systems, and laboratory apparatus currently utilized in the field. It also presents expert overviews on key engineering science topics in property predictions, measurements and analysis, novel materials and devices, and emerging chemical fields. ALSO AVAILABLE ONLINE This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for both researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail)
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Author:
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ISBN:
Category : Sewage
Languages : en
Pages : 1076
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Book Description
