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http://dx.doi.org/10.7844/kirr.2020.29.3.3

Chlorination Kinetics of Synthetic Rutile with Cl2+CO Gas  

Hong, Sung-Min (School of Materials Science and Engineering, Kyungpook National University)
Lee, So-Yeong (School of Materials Science and Engineering, Kyungpook National University)
Sohn, Ho-Sang (School of Materials Science and Engineering, Kyungpook National University)
Publication Information
Resources Recycling / v.29, no.3, 2020 , pp. 3-10 More about this Journal
Abstract
The chlorination kinetics of synthetic rutile prepared by selective chlorination of ilmenite with Cl2 and CO gas mixture were studied in a fluidized bed. Th e effects of reaction temperature, reaction time, and the ratio of Cl2 and CO partial pressure ($p_{Cl_2}/p_{CO}$) on the conversion rate of TiCl4 were investigated. The conversion rate of TiC4 was low under the high $p_{Cl_2}/p_{CO}$ conditions. Moreover, it was considered that the partial pressure of CO gas was more effective than that of Cl2 gas when comparing the stoichiometric conversion rate and experimental results of high CO partial pressure. Considering the porous structure of particles, the rate controlling step of the chlorination of synthetic rutile was determined to be chemical reaction and the activation energy was calculated as 53.77 kJ/mol.
Keywords
synthetic rutile; porous; chlorination; titanium tetra chloride; chemical reaction; activation energy;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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