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Development of Al2O3 Film on Diatomite for Treating Wastewater Containing Anionic Polyacrylamide

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Authors
Zhang, Y.
Zhang, C.
Zhang, Y.
Zhang, G.
Liu, Shaomin
Xu, Z.
Date
2011
Type
Journal Article

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Zhang, Yuqing and Zhang, Chao and Zhang, Yuyuan and Zhang, Guodong and Liu, Shaomin and Xu, Zhiping. 2011. Development of Al2O3 Film on Diatomite for Treating Wastewater Containing Anionic Polyacrylamide. Chemical Engineering & Technology. 34 (12): pp. 2016-2021.
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Chemical Engineering & Technology
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Department of Chemical Engineering
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Abstract

To efficiently treat anionic polyacrylamide (APAM) with a linear structure in wastewater, an Al2O3 film on the surface of diatomite was prepared via the hydrolysis reaction of AlCl3. The Al2O3-coated diatomite was characterized by FT-IR, XRD, and SEM. The results show that the Al2O3 film can be coated on diatomite. The resulting Al2O3-coated diatomite was utilized to treat wastewater (pH = 7) that contained APAM of 60 mg L–1 and suspended solids of 90 mg L–1. Results show that after wastewater was treated using Al2O3-coated diatomite, the content of APAM and suspended solids in the filtrate can meet the standard for wastewater recycling. Therefore, Al2O3-coated diatomite can be used in treating wastewater containing APAM.