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Process Development for the Removal of Zinc and Cadmium from Wastewater Using Slag—A Blast Furnace Waste Material
Abstract
Blast furnace slag, a waste generated in steel plants in India, has been converted into a low cost potential adsorbent. The resulting product has been characterized and used for the removal of zinc and cadmium. The effect of particle size, contact time, and surface loading of zinc and cadmium on the adsorbent for their removal have been studied at the optimum pH (6.0 for Zn2+ and 5.0 for Cd2+). Kinetic studies were undertaken to show the mechanistic aspects of the process and to obtain the thermodynamic parameters. Sorption data have been correlated with both Langmuir and Freundlich adsorption models. Column operations were also performed in an attempt to simulate industrial conditions. Some feasibility experiments have been performed with a view to recovering Zn2+ and Cd2+ and for the chemical regeneration of the spent columns without dismantling them.
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Citations
Cited by
Characteristics and adsorption capacities of low-cost sorbents for wastewater treatment: A review
De Gisi, S., Lofrano, G., Grassi, M., & Notarnicola, M. (2016) · Sustainable Materials and Technologies · doi:10.1016/j.susmat.2016.06.002 · Cited by 1,676
Low-Cost Adsorbents: Growing Approach to Wastewater Treatment—a Review
Gupta, V. K., Carrott, P. J. M., Ribeiro Carrott, M. M. L., & Suhas (2009) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643380801977610 · Cited by 1,085
Self-citationSaleh, T. A., & Gupta, V. K. (2012) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2011.12.038 · Cited by 962
Self-citationRice Husk and Its Ash as Low-Cost Adsorbents in Water and Wastewater Treatment
Ahmaruzzaman, M., & Gupta, V. K. (2011) · Industrial & Engineering Chemistry Research · doi:10.1021/ie201477c · Cited by 872
Self-citationMohammadi, N., Khani, H., Gupta, V. K., Amereh, E., & Agarwal, S. (2011) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2011.06.067 · Cited by 818
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Metadata
- Authors
- Gupta, V. K., Rastogi, A., Dwivedi, M. K., & Mohan, D.
- Venue
- Separation Science and Technology
- Publisher
- Informa UK Limited
- Published
- 1997-11
- Volume
- 32
- Issue
- 17
- Pages
- 2883-2912
- ISSN
- 0149-6395 (ISSN-L)
- 1520-5754
- OpenAlex
- W2024312886
- Cited by
- 235
- References
- 0
- FWCI
- 4.97
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gupta, V. K., Rastogi, A., Dwivedi, M. K., & Mohan, D. (1997). Process Development for the Removal of Zinc and Cadmium from Wastewater Using Slag—A Blast Furnace Waste Material. Separation Science and Technology. https://doi.org/10.1080/01496399708002227
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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