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Title	Advances in the Removal of Cr(III) from Spent Industrial Effluents-A Review
ID_Doc	30037
Authors	Staszak, K; Kruszelnicka, I; Ginter-Kramarczyk, D; Góra, W; Baraniak, M; Lota, G; Regel-Rosocka, M
Title	Advances in the Removal of Cr(III) from Spent Industrial Effluents-A Review
Year	2023
Published	Materials, 16.0, 1
Abstract	The review presents advances in the removal of Cr(III) from the industrial effluents published in the last ten years. Although Cr(III) has low solubility and is less dangerous for the aquatic environment than Cr(VI), it cannot be released into the aquatic environment without limitations and its content in water should be restricted. The development of efficient techniques for the removal of Cr(III) is also a response to the problem of chromium wastewater containing Cr(VI) ions. Very often the first step in dealing with such wastewater is the reduction in chromium content. In some cases, removal of Cr(III) from wastewaters is an important step for pretreatment of solutions to prepare them for subsequent recovery of other metals. In the review, hydrometallurgical operations for Cr(III) removal are presented, including examples of Cr(III) recovery from real industrial effluents with precipitation, adsorption, ion exchange, extraction, membrane techniques, microbial-enhanced techniques, electrochemical methods. The advantages and disadvantages of the operations mentioned are also presented. Finally, perspectives for the future in line with circular economy and low-environmental impact are briefly discussed.
PDF	https://www.mdpi.com/1996-1944/16/1/378/pdf?version=1672410638

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