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Removal Efficiency of Iodine at Saturated Steam in Submerged Venturi Scrubber

[+] Author Affiliations
Majid Ali

National University of Sciences and Technology, Islamabad, Pakistan

Changqi Yan, Haifeng Gu, Athar Rasool

Harbin Engineering University, Harbin, China

Khurram Mehboob

Comsats Institute of Information Technology, Islamabad, Pakistan

Paper No. ICONE22-30544, pp. V003T06A019; 3 pages
doi:10.1115/ICONE22-30544
From:
  • 2014 22nd International Conference on Nuclear Engineering
  • Volume 3: Next Generation Reactors and Advanced Reactors; Nuclear Safety and Security
  • Prague, Czech Republic, July 7–11, 2014
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4593-6
  • Copyright © 2014 by ASME

abstract

Sever accident due to molten core of Nuclear Power Plant causes the production of steam which carries the radioactive iodine. It is important to retain the radioactive iodine from contaminated gas and steam before it is released into the environment. The purpose of this research is to investigate the removal efficiency of iodine in a submerged venturi scrubber for saturated steam at 100°C. Venturi Scrubber is submerged in a venturi tank filled with liquid which is alkaline by adding sodium hydroxide (NaOH) and sodium thiosulphate (Na2S2O3) in scrubbing water. Saturated Steam of 100 °C is injected into an experimental loop. Iodine removal efficiency is investigated for saturated steam at various compressed gas flow rate 330, 420, and 510 kg/s. Inlet and outlet concentration are measured at the sampling points of an experimental loop to calculate the iodine removal efficiency. The maximum removal efficiency of 99.4% is achieved at gas mass flow rate of 510 kg/s.

Copyright © 2014 by ASME
Topics: Steam , Venturi tubes

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