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Feasibility study on cross-linked biopolymeric concrete encapsulating selenium glass wastes
Feasibility study was conducted to encapsulate the selenium (Se) contained in glass waste, using the biopolymer-modified concrete. Biopolymer has unique characteristics to provide the chemical sites to metals or toxic compounds through the three-dimensional cross-linked structure. Very minute amount of biopolymer enhanced the characteristics of cementitious material. The resulting biopolymeric composite with selenium glass waste showed 20% higher compressive strength than ordinary concrete and the lower leaching concentration than the equipment detection limit. For a qualitative measurement, X-ray diffraction (XRD; X-ray powder diffractogram) was used to characterize the biopolymeric concrete. The optimum waste content percentage with appropriate biopolymer concrete mixture ratio was identified for its possible commercial use.
The selenium waste from a glass manufacturer initiated this study. Biopolymer-modified concrete system is of importance in encapsulating hazardous wastes, which is unique, unlike the conventional waste solidification method.
Feasibility study on cross-linked biopolymeric concrete encapsulating selenium glass wastes
Feasibility study was conducted to encapsulate the selenium (Se) contained in glass waste, using the biopolymer-modified concrete. Biopolymer has unique characteristics to provide the chemical sites to metals or toxic compounds through the three-dimensional cross-linked structure. Very minute amount of biopolymer enhanced the characteristics of cementitious material. The resulting biopolymeric composite with selenium glass waste showed 20% higher compressive strength than ordinary concrete and the lower leaching concentration than the equipment detection limit. For a qualitative measurement, X-ray diffraction (XRD; X-ray powder diffractogram) was used to characterize the biopolymeric concrete. The optimum waste content percentage with appropriate biopolymer concrete mixture ratio was identified for its possible commercial use.
The selenium waste from a glass manufacturer initiated this study. Biopolymer-modified concrete system is of importance in encapsulating hazardous wastes, which is unique, unlike the conventional waste solidification method.
Feasibility study on cross-linked biopolymeric concrete encapsulating selenium glass wastes
Kim, Daeik (author) / Park, Joon-Seok (author) / Yen, Teh Fu (author)
Journal of the Air & Waste Management Association ; 62 ; 898-904
2012-08-01
7 pages
Article (Journal)
Electronic Resource
Unknown
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