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Design and development of a digital phase ratio meter

Abstract

Uranium purification at Uranium Metal Plant is being carried out using solvent extraction process. The feed is aqueous uranyl nitrate solution with 2-4% insoluble silica particles. The solvent is tri-butyl phosphate diluted with commercial grade kerosene. Extraction is conducted in a slurry extractor equipment using compressed air as mixing and solution-interstage transferring medium. To ensure the organic continuous mode in the mixer and to avoid stable emulsion formation, organic to aqueous ratio maintained in each mixer is 10 to 12 whereas optimum extraction process requires an overall organic to aqueous ratio of 2. Therefore, a high volume of internal recirculation of organic is being arranged by the air-lift in mixers. For a smooth, continuous efficient extraction, mixer organic to aqueous ratio is a very critical parameter and it is required to be monitored periodically to take corrective actions during the operation by controlling the compressed air flow rate. Trials were conducted to select a suitable method of autocontrol of this phase ratio and a system has been designed for this purpose. (author). 3 figs., 1 tab.
Authors:
Majee, B C; [1]  Roy, S B; Meghal, A M [2] 
  1. Reactor Control Division, Bhabha Atomic Research Centre, Mumbai (India)
  2. Uranium Extraction Division, Bhabha Atomic Research Centre, Mumbai (India)
Publication Date:
Jun 01, 1994
Product Type:
Conference
Report Number:
CONF-9406439-
Reference Number:
SCA: 050400; PA: AIX-29:018148; EDB-98:065774; SN: 98001952206
Resource Relation:
Conference: ACE-94: advances in chemical engineering in nuclear and process industries, Mumbai (India), 9-11 Jun 1994; Other Information: DN: 3 figs., 1 tab.; PBD: Jun 1994; Related Information: Is Part Of Advances in chemical engineering in nuclear and process industries; PB: 628 p.
Subject:
05 NUCLEAR FUELS; CALIBRATION; FEED MATERIALS PLANTS; FLOW RATE; FLOWSHEETS; LEVEL INDICATORS; OPTIMIZATION; PROCESS CONTROL; PURIFICATION; SOLVENT EXTRACTION; SPECIFICATIONS; URANIUM
OSTI ID:
615517
Research Organizations:
Board of Research in Nuclear Sciences, Department of Atomic Energy, Mumbai (India).
Country of Origin:
India
Language:
English
Other Identifying Numbers:
TRN: IN9800261018148
Submitting Site:
INIS
Size:
pp. 172-179
Announcement Date:

Citation Formats

Majee, B C, Roy, S B, and Meghal, A M. Design and development of a digital phase ratio meter. India: N. p., 1994. Web.
Majee, B C, Roy, S B, & Meghal, A M. Design and development of a digital phase ratio meter. India.
Majee, B C, Roy, S B, and Meghal, A M. 1994. "Design and development of a digital phase ratio meter." India.
@misc{etde_615517,
title = {Design and development of a digital phase ratio meter}
author = {Majee, B C, Roy, S B, and Meghal, A M}
abstractNote = {Uranium purification at Uranium Metal Plant is being carried out using solvent extraction process. The feed is aqueous uranyl nitrate solution with 2-4% insoluble silica particles. The solvent is tri-butyl phosphate diluted with commercial grade kerosene. Extraction is conducted in a slurry extractor equipment using compressed air as mixing and solution-interstage transferring medium. To ensure the organic continuous mode in the mixer and to avoid stable emulsion formation, organic to aqueous ratio maintained in each mixer is 10 to 12 whereas optimum extraction process requires an overall organic to aqueous ratio of 2. Therefore, a high volume of internal recirculation of organic is being arranged by the air-lift in mixers. For a smooth, continuous efficient extraction, mixer organic to aqueous ratio is a very critical parameter and it is required to be monitored periodically to take corrective actions during the operation by controlling the compressed air flow rate. Trials were conducted to select a suitable method of autocontrol of this phase ratio and a system has been designed for this purpose. (author). 3 figs., 1 tab.}
place = {India}
year = {1994}
month = {Jun}
}