Study on the Characterization of Fe- Ti Modified Bentonite and Its Influence on Absorption Performance of Wastewater

Hong Shao; Di Zhang

doi:10.4028/www.scientific.net/AMR.287-290.1856

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Study on the Characterization of Fe- Ti Modified...

Study on the Characterization of Fe- Ti Modified Bentonite and Its Influence on Absorption Performance of Wastewater

Abstract:

In the treatment of wastewater, the Fe- Ti Modified Bentonite was prepared as a new type of absorbing material which raw material was sodium bentonite. The Fe- Ti Modified Bentonite was used in the simulation wastewater which included Cr⁶⁺ and organic matter. The best adsorption condition was ensured by the pH value, the dosing quantity and the absorption time. The results of these experimental dates showed that the Fe- Ti Modified Bentonite had an excellent absorption performance and was much better than the sodium bentonite. The removal rate of Cr⁶⁺ and COD were 98.56% and 78.23% respectively if the pH value was 3, the dosing quantity was 10 g/L , the absorption time was 30 minutes. The results also showed that the distance of the modified bentonite was changed because the cross-linking agent entered the layers structure. That was why the absorption performance of Fe- Ti Modified Bentonite was improved.

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

1856-1859

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.1856

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Online since:

July 2011

Authors:

Hong Shao, Di Zhang

Keywords:

Chemical Oxygen Demand (COD), Cr⁶⁺, Fe-Ti Modified Bentonite, Flocculant, Wastewater

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