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- Title
Rational Design of a High-Performance KMnO<sub>4</sub> -Fe (II) -Si Coagulant for Dye 4Removal.
- Authors
WU Qianqian; TANG Lipeng; XIAO Feng; WEI Qunshan; LIU Yanbiao; HUANG Manhong; W. K., CHOW Christopher
- Abstract
A new ternary coagulant polysilicate ferromanganese (PSFM), composed of Fe, Mn and Si, was designed. Its coagulation performance for dye removal was investigated systematically together with the impact of several key operational parameters. The experimental results indicate that an excellent coagulation efficiency with higher than 95% color removal and higher than 94% total organic carbon (TOC) removal can be obtained at an optimized molar ratio of Si: Fe: Mn (5:5:1). The coagulation performance of PSFM coagulant was studied comparatively with other conventional coagulants, e. g. poly aluminium chloride (PAC), A12(SO4)3 and FeCl3. Additionally, various characterization techniques were applied to get detailed morphological and compositional information of PSFM coagulants. Furthermore, the underlying mechanism for improved coagulant performance was proposed based on these results. These results have exemplified quantitatively that PSFM coagulant exhibits a great potential as a promising material for application in various environmental fields.
- Subjects
COAGULANTS; FERROMANGANESE; ORGANIC compounds; ALUMINUM chloride; POTASSIUM permanganate
- Publication
Journal of Donghua University (English Edition), 2021, Vol 38, Issue 2, p148
- ISSN
1672-5220
- Publication type
Article
- DOI
10.19884/j.1672-5220.202010086