Abstract
AbstractBone waste is a problematic slaughterhouse waste typically disposed of in landfills. The pyrolyzed product of this waste shows strong potential in mine and industrial waste water remediation and work is needed to identify chemical and structural parameters which drive performance. Diffuse Reflectance Fourier Transform Spectroscopy (DRIFTS) was used to probe carbonate (CO32−), phosphate (PO43−) and hydroxyl (OH−) environments of mineral phases and functional group chemistry in carbonaceous phase, revealing a potentially synergistic functionality between the two in bone char. CO32− and water substitutions in the mineral lattice were found to persist after pyrolysis to 750 °C, and more soluble non-apatite calcium phosphate phases were observed using second derivative analysis of the v3 PO43− band. Nitrogen-rich functional groups were found in the carbonaceous phase which are associated with complexation of aqueous metals, and ordered aromatic clusters identified by Raman spectroscopy indicate a porous carbon skeletal structure to promote metals adsorption and complexation. These results point to unique chemical and structural features of bone char which are not easily replicated by synthetic carbonated apatite or activated carbon and which contribute to the excellent aqueous metals removal power of bone char.
Graphical Abstract
Funder
U.S. Army Combat Capabilities Development Command
Publisher
Springer Science and Business Media LLC
Subject
Waste Management and Disposal,Renewable Energy, Sustainability and the Environment,Environmental Engineering
Reference97 articles.
1. Barrett, E.B., Brown, J.M., Oleck, S.M.: Some granular carbonaceous adsorbents for sugar refining a study of bone char replacements based on hydroxyapatite. Ind. Eng. Chem. 17, 5 (2021)
2. Barrett, E.P., Joyner, L.G., Halenda, P.P.: Granular adsorbents for sugar refining. Some factors affecting porosity and activity in service. Ind. Eng. Chem. 44, 1827–1833 (2002). https://doi.org/10.1021/IE50512A034
3. Wayne, T.B.: Influence of absorption spectra of techinical sugar products on the decolorizing effeciency of bone char. Ind. Eng. Chem. 18, 847–854 (2002). https://doi.org/10.1021/IE50200A028
4. Bhargava, D.S., Killedar, S.D.J.: Batch studies of water defluoridation using fishbone charcoal. Res. J. Water Pollut. Control Fed. 63, 848–858 (1991)
5. Betts, A.R., Chen, N., Hamilton, J.G., Peak, D.: Rates and mechanisms of Zn 2+ adsorption on a meat and bonemeal biochar. Environ. Sci. Technol. 47, 14350 (2013). https://doi.org/10.1021/es4032198
Cited by
4 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献