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J Korean Soc Environ Eng > Volume 38(3); 2016 > Article
J Korean Soc Environ Eng 2016;38(3): 150-153. doi: https://doi.org/10.4491/KSEE.2016.38.3.150
TiCl4 농도와 교반강도가 수중 인 제거에 미치는 영향
서완우1, 이봉희1, 박화수1, 김종호2, 안종화1
1강원대학교 환경공학과
2전남대학교 응용화학공학부
Effect of TiCl4 Concentration and Mixing Intensity on Phosphorus Removal in Synthetic Wastewater
Wan-Woo Seo1, Bong-Hee Lee1, Hwa-Soo Park1, Jong-Ho Kim2, Johng-Hwa Ahn1
1Department of Environmental Engineering, Kangwon National University
2Department of Applied Chemical Engineering, Chonnam National University
Corresponding author  Johng-Hwa Ahn ,Tel: 033-250-6357, Fax: 033-259-5550, Email: johnghwa@kangwon.ac.kr
Received: January 11, 2016;  Revised: February 11, 2016;  Accepted: March 2, 2016.  Published online: March 31, 2016.
ABSTRACT
This study evaluates the efficacy of titanium tetrachloride (TiCl4) on phosphorus (P) removal in synthetic wastewater. Jar test experiments were performed at various TiCl4 concentration (0.25-0.59 mM), and intensities of slow (30-60 rpm) and rapid (100-250 rpm) mixings to determine the conditions at which P removal was most efficient. The P-removal efficiency was highest (about 99%) at TiCl4 concentration ([TiCl4])=0.39 mM with rapid-mixing intensity=100 rpm and slow-mixing intensity=30 rpm. The slow-mixing intensity was more sensitive than the rapid-mixing intensity to the P removal efficiency when [TiCl4] was low (0.25≤[TiCl4]≤0.27 mM).
Key Words: Coagulation, Mixing Intensity, pH, Phosphorus, Titanium Tetrachloride
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