Green and efficient separation of vanadium and chromium from high-chromium vanadium slag: a review of recent developments

IF 9.2 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Green Chemistry Pub Date : 2024-09-30 DOI:10.1039/d4gc02192d

Weizao Liu , Zhenghao Wang , Wen Cao , Yanjie Liang , Sohrab Rohani , Yuntao Xin , Jinmao Hua , Chunlian Ding , Xuewei Lv

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Abstract

Vanadium(v) and chromium (Cr) are important strategic resources due to their outstanding physicochemical properties. Due to their similar physical and chemical properties, V and Cr are often associated and coexist in many minerals. This review highlights the significance of V and Cr extraction and separation from high-chromium vanadium slag, emphasizing the key separation techniques. Current strategies for vanadium–chromium separation include separation during the extraction process, that is selective extraction of one of the elements from the slag and co-extraction of vanadium and chromium into solution followed by separation of vanadium and chromium from the solution. Both strategies are pivotal for optimizing the extraction process and enhancing industrial applications. This comprehensive review provides insights into the separation methods, addressing the challenges and advancements in the field. The elucidation of the importance of vanadium and chromium, coupled with a detailed analysis of high-chromium vanadium slag and current separation techniques, contributes to the utilization of vanadium–titanium-bearing magnetite resources with a high content of chromium and also evolves the knowledge in this critical area.

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从高铬钒渣中绿色高效分离钒和铬：最新发展综述

钒（V）和铬（Cr）因其出色的物理化学特性而成为重要的战略资源。由于其相似的物理和化学性质，钒和铬经常伴生和共存于许多矿物中。本综述强调了从高铬钒渣中提取和分离钒和铬的重要性，并着重介绍了关键的分离技术。目前的钒铬分离策略包括在萃取过程中进行分离，即从钒渣中选择性地萃取其中一种元素，以及将钒和铬共同萃取到溶液中，然后从溶液中分离钒和铬。这两种策略对于优化萃取工艺和提高工业应用至关重要。本综述深入探讨了分离方法，探讨了该领域的挑战和进展。对钒和铬的重要性的阐释，加上对高铬钒渣和当前分离技术的详细分析，有助于利用铬含量高的含钒钛磁铁矿资源，同时也发展了这一关键领域的知识。

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来源期刊

Green Chemistry 化学-化学综合

CiteScore

16.10

自引率

7.10%

发文量

677

审稿时长

1.4 months

期刊介绍： Green Chemistry is a journal that provides a unique forum for the publication of innovative research on the development of alternative green and sustainable technologies. The scope of Green Chemistry is based on the definition proposed by Anastas and Warner (Green Chemistry: Theory and Practice, P T Anastas and J C Warner, Oxford University Press, Oxford, 1998), which defines green chemistry as the utilisation of a set of principles that reduces or eliminates the use or generation of hazardous substances in the design, manufacture and application of chemical products. Green Chemistry aims to reduce the environmental impact of the chemical enterprise by developing a technology base that is inherently non-toxic to living things and the environment. The journal welcomes submissions on all aspects of research relating to this endeavor and publishes original and significant cutting-edge research that is likely to be of wide general appeal. For a work to be published, it must present a significant advance in green chemistry, including a comparison with existing methods and a demonstration of advantages over those methods.