The Use of Cavitating Jets to Oxidize Organic Compounds in Water

K. M. Kalumuck; G. L. Chahine

doi:10.1115/1.1286993

Journal of Fluids Engineering | Volume 122 | Issue 3 | TECHNICAL PAPERS

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TECHNICAL PAPERS

The Use of Cavitating Jets to Oxidize Organic Compounds in Water

K. M. Kalumuck, Principal Research Scientist and G. L. Chahine, President

[+] Author and Article Information

K. M. Kalumuck, G. L. Chahine

DYNAFLOW, Inc., 7210 Pindeil School Rd., Fulton, MD 20759 e-mail: info@dynaflow-inc.com

J. Fluids Eng 122(3), 465-470 (May 03, 2000) (6 pages) doi:10.1115/1.1286993 History: Received October 14, 1999; Revised May 03, 2000

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Pressure field associated with nonspherical bubble collapse. Taken from Chahine and Duraiswami 19

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Sketch of jet loop capable of 56 gpm at 60 psi

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Sketch of ultrasonic experimental setup

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Ultrasonic sonication of PNP at pH=3.5. Top: concentration versus time. Bottom: oxidation efficiency.

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Cavitating jet oxidation of PNP: pH=3.8, T=107°F, ambient pressure=20 psia, pressure entering nozzles =75 psia, flow rate=57 gpm, C₀=8 ppm. Top: time variation of the ratio of PNP concentration to its initial value. Bottom: oxidation efficiency.

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Influence of temperature on cavitation effects exhibiting a region of maximum influence. (a) Jet oxidation efficiency of PNP at 4, 5, and 6 hours of operation; pH=3.8, ambient pressure=21 psia, pressure entering nozzles=70 psi. (b) Erosion of aluminum as a function of temperature for various liquids; taken from Brown and Goodman 1.

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Influence of pH on jet oxidation efficiency of PNP: T=107°F, ambient pressure=20 psia, pressure entering nozzles=75 psia

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Influence of cavitation number, sigma, on jet oxidation of PNP: pH=3.8, T=107°F

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Kalumuck KM, Chahine GL. The Use of Cavitating Jets to Oxidize Organic Compounds in Water. ASME. J. Fluids Eng. 2000;122(3):465-470. doi:10.1115/1.1286993.

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The Use of Cavitating Jets to Oxidize Organic Compounds in Water

References

Figures

Pressure field associated with nonspherical bubble collapse. Taken from Chahine and Duraiswami 19

Sketch of jet loop capable of 56 gpm at 60 psi

Sketch of ultrasonic experimental setup

Ultrasonic sonication of PNP at pH=3.5. Top: concentration versus time. Bottom: oxidation efficiency.

Cavitating jet oxidation of PNP: pH=3.8, T=107°F, ambient pressure=20 psia, pressure entering nozzles =75 psia, flow rate=57 gpm, C₀=8 ppm. Top: time variation of the ratio of PNP concentration to its initial value. Bottom: oxidation efficiency.

Influence of pH on jet oxidation efficiency of PNP: T=107°F, ambient pressure=20 psia, pressure entering nozzles=75 psia

Influence of cavitation number, sigma, on jet oxidation of PNP: pH=3.8, T=107°F

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The Use of Cavitating Jets to Oxidize Organic Compounds in Water

References

Figures

Pressure field associated with nonspherical bubble collapse. Taken from Chahine and Duraiswami 19

Sketch of jet loop capable of 56 gpm at 60 psi

Sketch of ultrasonic experimental setup

Ultrasonic sonication of PNP at pH=3.5. Top: concentration versus time. Bottom: oxidation efficiency.

Cavitating jet oxidation of PNP: pH=3.8, T=107°F, ambient pressure=20 psia, pressure entering nozzles =75 psia, flow rate=57 gpm, C0=8 ppm. Top: time variation of the ratio of PNP concentration to its initial value. Bottom: oxidation efficiency.

Influence of pH on jet oxidation efficiency of PNP: T=107°F, ambient pressure=20 psia, pressure entering nozzles=75 psia

Influence of cavitation number, sigma, on jet oxidation of PNP: pH=3.8, T=107°F

Tables

Errata

Discussions

Related Content

Journals

Conference Proceedings

eBooks

Cavitating jet oxidation of PNP: pH=3.8, T=107°F, ambient pressure=20 psia, pressure entering nozzles =75 psia, flow rate=57 gpm, C₀=8 ppm. Top: time variation of the ratio of PNP concentration to its initial value. Bottom: oxidation efficiency.