Abstract

Ever since the discovery of the first “Ionic Liquid” (ethyl ammonium nitrate) by Paul Walden in 1914, it has always been an intriguing scientific area for scientists worldwide. Over the past two decades, ionic liquids have received significant attention and are being extensively researched upon. The amount of research carried out in this particular field has increased exponentially and the trend is likely to continue given the tough advantages possessed by ionic liquids. Ionic liquids are being investigated and studied in a plethora of fields some of which include chemical engineering, extraction chemistry, medicinal chemistry, environmental science, material science and many more. Conventionally, volatile organic solvents have been the frontrunner as the choice of solvent in the extraction and synthesizing processes. However, these solvents have a detrimental impact on the environment and often result in toxic byproducts. Ionic liquids as an alternative to these solvents possess several attractive and unique features such as non-volatility, non-flammability, low nucleophilicity and several others that make ionic liquids as “Green solvents” the most suitable and ideal substitute. To assess and explore the potentiality of ionic liquids as an asset in extraction techniques, there arises a need for a consolidated report that elucidates the capabilities of ionic liquids. In this review, an attempt is made to compile all the applications of ionic liquids as an extractant in several fields to fill all the knowledge gaps for the professionals from the science world to give a verdict and potentially overcome all the shortcomings and pave a way towards a sustainable and green future.

中文翻译：

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离子液体，萃取技术中的一项资产——全面回顾

摘要

自从 Paul Walden 于 1914 年发现第一个“离子液体”（硝酸乙基铵）以来，它一直是全世界科学家感兴趣的科学领域。在过去的二十年里，离子液体受到了极大的关注并得到了广泛的研究。鉴于离子液体所具有的强大优势，在这一特定领域进行的研究数量呈指数级增长，并且这一趋势可能会持续下去。离子液体正在众多领域中进行调查和研究，其中包括化学工程、提取化学、药物化学、环境科学、材料科学等等。传统上，挥发性有机溶剂一直是萃取和合成过程中首选的溶剂。然而，这些溶剂对环境有不利影响，并经常产生有毒的副产品。离子液体作为这些溶剂的替代品具有一些吸引人的独特特性，例如不挥发、不易燃、低亲核性等，使离子液体作为“绿色溶剂”成为最合适和理想的替代品。为了评估和探索离子液体作为提取技术资产的潜力，需要一份阐明离子液体能力的综合报告。在本次审查中，.