Abstract
Arsenic residue is of great concern due to its environmental hazard. In this study, we first propose to use cullet as the host to immobilize sodium arsenate. All samples have successfully formed glasses in 1200°C detected by X-ray diffraction spectra (XRD). High arsenic immobilization ratio has been achieved in the experiment. Fourier transform infrared spectrometer (FTIR) and X-ray photoelectron spectroscopy (XPS) have been used to explore the process of arsenic immobilized into the cullet. It can be concluded that the arsenic exists in the form of AsO4 tetrahedron and forms chemical bonds with SiO4 tetrahedron via bridging oxygen, resulting in strengthening the Qn structure and new formation of Si-O(BO)-As, which makes arsenic stable in the glass.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.