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Received February 6, 2006
Accepted May 1, 2006
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Increasing the conversion fraction of sulfur to sodium thiosulfate with the ultrasound energy
Department of Chemical Engineering Faculty of Engineering, Ataturk University, 25240 Erzurum, Turkey
tuba.ingec@gmail.com
Korean Journal of Chemical Engineering, September 2006, 23(5), 731-735(5), 10.1007/BF02705919
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Abstract
The usage of ultrasound has gained popularity in the recent years. Ultrasonic processing means blasting liquids, usually water, with very intense sound at high frequency, producing very well mixed powerful chemical and physical reactions. This paper deals with the investigation of the effect of ultrasonic energy on the conversion fraction of sulfur in the production reaction of sodium thiosulfate which was obtained from sulfur and Na2SO3 solution. Concentration of Na2SO3 solution parameter was chosen as the constant parameter. The experiments were performed with various amplitudes of ultrasound power and in the absence and presence of ultrasound energy in various temperatures with various particle sizes. The results indicate that the conversion fraction values increase in the presence of ultrasound energy and increase at high amplitude values.
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Awate SV, Waghmode SB, Patil KR, Agashe MS, Joshi PN, Korean J. Chem. Eng., 18(2), 257 (2001)
Ceccio SL, Brennen CE, J. Fluid Mech., 233, 633 (1991)
Choi JH, Kim SB, Korean J. Chem. Eng., 11(3), 178 (1994)
Donatti DA, Ruiz AI, Vollet DR, Ultrasonics Sonochemistry, 9(3), 133 (2001)
Faid F, Contamine F, Wilhelm AM, Delmas H, Ultrason. Sonochem., 5(3), 119 (1998)
Hagenson LC, Doraiswamy LK, Chem. Eng. Sci., 53(1), 131 (1998)
Iliev V, Prahov L, Bilyarska L, Fischer H, Schulz-Ekloff G, Wohrle D, Petrov L, Journal of Moleculer Catalysis A: Chemical, 151, 161 (2000)
Inoue T, Mori K, Kageyama Y, Mori H, Crystal Research and Technology, 35, 587 (2000)
Kim IK, Yoa SJ, Lee JK, Huang CP, Korean J. Chem. Eng., 20(6), 1045 (2003)
Lyczko N, Espitalier F, Louisnard O, Schwartzentruber J, Chem. Eng. J., 86(3), 233 (2002)
Mason TJ, The uses of ultrasound in chemistry, Sonochemistry, Royal Society of Chemistry (1990)
Mason TJ, Lorimer JP, Theory. Applications and uses of ultrasound in chemistry, Sonochemistry, Ellis Horwood (1989)
Okur H, Tekin T, Ozer A, Bayramoglu M, Hydrometallurgy, 67, 79 (2002)
Qin W, Yuan YH, Dai YY, Chin. J. Chem. Eng., 9(4), 427 (2001)
Shah YT, Pandit AB, Moholkar VS, Cavitation reaction engineering, The Plenum Chemical Engineering Series, Kluwer Academic/ Plenum Publishers, LoC 99-37362, ISBN 0-306-46141-2 (2000)
Sivakumar M, Tatake PA, Pandit AB, Chem. Eng. J., 85(2-3), 327 (2002)
Snell FD, Biffen FM, Commercial methods of analysis, Mc Graw-Hill, New York, 753 (1944)
Suslick KS, The chemistry of ultrasound, The Yearbook of Science & the Future (1994)
Tekin T, Hydrometallurgy, 64, 187 (2002)
Woo J, Lee C, Hong Y, Yoon Y, Hahm Y, Chang Y, Journal of the Korean Institute of Chemical Engineers, 34, 208 (1996)
Yun CY, Chah S, Kang SK, Yi J, Korean J. Chem. Eng., 21(5), 1062 (2004)
Zhao JH, Acta Chim. Sin., 60, 81 (2002)
