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http://dx.doi.org/10.5322/JESI.2020.29.11.1025

Treatment of Exhaust Pollutants from a Lime Kiln of Paper-mill with Micro-bubble System  

Jung, Jae-Ouk (Department of Environmental Engineering, Catholic University of Pusan)
Jung, Yong-Jun (Department of Environmental Engineering, Catholic University of Pusan)
Publication Information
Journal of Environmental Science International / v.29, no.11, 2020 , pp. 1025-1032 More about this Journal
Abstract
This work was performed to develop a dip injection wet scrubber (DIWS) system with chlorine dioxide as the oxidant. The exhaust pollutants from a lime kiln of paper-mill were introduced to the system. When NaClO3 was used to oxidize NO into NO2, the oxidation was unsatisfactory and the combination of HNO3 or H2SO4 was required for 100% oxidation. ClO2 is recommended to oxidize NO and SO2 effectively. With the combination of 1st stage of DIWS and ClO2, 57.1% of NOx and 98% of SO2 were effectively removed. In the case of 2nd stage of DIWS and ClO2, 93.5% of NOx and 99% of SO2 were removed. The ClO2+DIWS process was superior to the ClO2+Scrubber process in terms of investment, running cost and NOx removal efficiency.
Keywords
Mirco-bubble system; Paper-mill; Exhaust pollutants; Chlorine dioxide;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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