Journal
CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 150, Issue -, Pages 311-319Publisher
ELSEVIER
DOI: 10.1016/j.cherd.2019.08.005
Keywords
Self priming venturi scrubber; Particulate and gaseous pollutant removal; Scrubbing; Pollution control
Categories
Funding
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, West Bengal, India
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Mostly, HCl gas along with particulate matter are generated from the combustion and waste incineration process but exposure of these air pollutants beyond a certain limit is very dangerous to the human life. Therefore, experimental study of simultaneous removal of HCl gas and fly ash from the flue gas using self priming venturi scrubber is investigated. Effect of various parameters like throat gas velocity, inlet fly ash concentration, inlet HCl concentration and hydrostatic head of water on the removal of HCl gas and fly ash particle has been studied. Maximum HCl removal is obtained as 98.3% at 60 m/s of throat gas velocity, 0.77 m of water level height, 500 ppm of inlet HCl loading and 0.3 x 10(-3) kg/m(3) of inlet fly ash concentration. On the other hand, maximum fly ash removal of 99.91% is achieved at 60 m/s of throat gas velocity, 0.77 m of water level height and 0.3 x 10(-3) kg/m(3) of inlet fly ash concentration. Empirical model is also developed for the prediction of HCl removal efficiency in the presence of fly ash and validated with the experimental results. Thus the submerged venturi scrubber is a novel technique which may control the emissions from many process industries. (C) 2019 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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