THE EFFECTS OF OPERATIONAL PARAMETERS (IMPELLER SPEED, LIGHT PHASE AND HEAVY PHASE VOLUMETRIC FLOW RATES, AND HOLD-UP) ON THE EFFICIENCY AND THE OVERALL VOLUMETRIC MASS. TRANSFER COEFFICIENTS OF MIXER-SETTLER EXTRACTOR

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BAHMANVAR H.; MOUSAVIAN SEYED MOHAMMAD ALI; ABOU ALGHASEMI HOSSEIN; GHANADI MARAGHEH M.; SAELI M.A.

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Journal: Year:2001 | Volume:34 | Issue:4 (70) Page(s): 63-78

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Title

THE EFFECTS OF OPERATIONAL PARAMETERS (IMPELLER SPEED, LIGHT PHASE AND HEAVY PHASE VOLUMETRIC FLOW RATES, AND HOLD-UP) ON THE EFFICIENCY AND THE OVERALL VOLUMETRIC MASS. TRANSFER COEFFICIENTS OF MIXER-SETTLER EXTRACTOR

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Abstract

In order to study of efficiency and the overall volumetric mass transfer coefficients, several series of experiments are carried out by a ten-stage progress horizontal mixer-settler. According to the experiments, we can conclude. that in general an increase of impeller speed results to an increase of extraction efficiency. Moreover, an increase of impeller speed results to an increase of the overall volumetric mass transfer coefficients, but after a specific speed the overall volumetric mass transfer coefficients decrease. Also, an increase of raffinate volumetric flow rate causes a decrease of extraction efficiency and results to an increase of the overall volumetric mass transfer coefficients. On the other hand, an increase of extract (solvent) volumetric flow rate causes an increase of extraction efficiency and results to an increase of the overall volumetric mass transfer coefficients. Also, the obtained results show that the resistance against mass transfer in both phases is considerably high and none of them can be neglected The hold-up of each stage can also affect the stage efficiency and overall volumetric mass transfer coefficients. The value of the overall volumetric mass transfer coefficient for each stage as compared to other stages doesn't have many differences and therefore an average overall volumetric mass transfer coefficient can be defined for designing and computation.

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APA: Copy

BAHMANVAR, H., MOUSAVIAN, SEYED MOHAMMAD ALI, ABOU ALGHASEMI, HOSSEIN, GHANADI MARAGHEH, M., & SAELI, M.A.. (2001). THE EFFECTS OF OPERATIONAL PARAMETERS (IMPELLER SPEED, LIGHT PHASE AND HEAVY PHASE VOLUMETRIC FLOW RATES, AND HOLD-UP) ON THE EFFICIENCY AND THE OVERALL VOLUMETRIC MASS. TRANSFER COEFFICIENTS OF MIXER-SETTLER EXTRACTOR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 34(4 (70)), 63-78. SID. https://sid.ir/paper/14280/en

Vancouver: Copy

BAHMANVAR H., MOUSAVIAN SEYED MOHAMMAD ALI, ABOU ALGHASEMI HOSSEIN, GHANADI MARAGHEH M., SAELI M.A.. THE EFFECTS OF OPERATIONAL PARAMETERS (IMPELLER SPEED, LIGHT PHASE AND HEAVY PHASE VOLUMETRIC FLOW RATES, AND HOLD-UP) ON THE EFFICIENCY AND THE OVERALL VOLUMETRIC MASS. TRANSFER COEFFICIENTS OF MIXER-SETTLER EXTRACTOR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2001;34(4 (70)):63-78. Available from: https://sid.ir/paper/14280/en

IEEE: Copy

H. BAHMANVAR, SEYED MOHAMMAD ALI MOUSAVIAN, HOSSEIN ABOU ALGHASEMI, M. GHANADI MARAGHEH, and M.A. SAELI, “THE EFFECTS OF OPERATIONAL PARAMETERS (IMPELLER SPEED, LIGHT PHASE AND HEAVY PHASE VOLUMETRIC FLOW RATES, AND HOLD-UP) ON THE EFFICIENCY AND THE OVERALL VOLUMETRIC MASS. TRANSFER COEFFICIENTS OF MIXER-SETTLER EXTRACTOR,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 34, no. 4 (70), pp. 63–78, 2001, [Online]. Available: https://sid.ir/paper/14280/en

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