On the Behavior of Newly Synthesized Functionalized Imidazolium-Based Ionic Liquids for Highly Efficient Extraction and Separation of Pirimicarb from Orchard Real Wastewater

IF 2.8 4区 工程技术 Q2 CHEMISTRY, APPLIED
Sana Zulfiqar, U. Rafique, M. J. Akhtar, H. Hamad
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引用次数: 6

Abstract

The presence of pirimicarb compounds as pollutants in orchard wastewater has sparked rising worries about their detrimental impacts on the ecosystem and human health, and their removal is critical for Pakistan’s aquatic environment. It not only contaminates fruit, but it also leaches into the soil and contaminates groundwater. However, there is little data on the effective removal of pirimicarb from orchard wastewater. The main purpose of this study is to create a novel family of functionalized imidazolium-based ionic liquids (ILs) using a simple chemical process, which will be utilized for the first time to extract pirimicarb from orchard wastewater in an efficient, cost-effective, and environmentally acceptable manner. FTIR, SEM, XRD, TGA, BET, and 1H NMR spectroscopy were used to characterize the functionalized samples. The impact of the IL substituent on the separation capacity was studied. In addition, the extraction and separation of pirimicarb from orchard wastewater were investigated under a variety of conditions (time, concentration, and temperature) in order to better understand the adsorption behaviors of distinct ILs in an aqueous solution. The adsorption equilibrium was reached in 30 minutes, and the maximum removal of pirimicarb was achieved utilizing the synthesized [C2im][C3H6NH2]Br-, according to the data. The pseudo-first-order model and the Langmuir model both suit well with the adsorption mechanism of pirimicarb with very good adsorptive capacities. Thermodynamic analyses indicated spontaneous, endothermic, and entropy-driven adsorption processes. The synthesized imidazolium-based ILs have good regeneration capability and recycling at least for six adsorption-desorption runs and have also been used to successfully detect pirimicarb orchard wastewater samples. The superior safety of the proposed method nominates it as a promising future strategy for pollution prevention. Consequently, this work has proven that the pirimicarb adsorption to various imidazolium-based ILs was dependent on the structures of the produced imidazolium-based ILs, which specifies its potential for practical applications in water pollutant removal and environmental remediation.
新合成的功能化咪唑基离子液体对果园工业废水中吡虫威的高效萃取分离性能研究
果园废水中存在的杀必威化合物作为污染物,引发了人们对其对生态系统和人类健康有害影响的日益担忧,而清除这些化合物对巴基斯坦的水环境至关重要。它不仅会污染水果,还会渗入土壤并污染地下水。然而,关于从果园废水中有效去除杀必威的数据很少。本研究的主要目的是使用简单的化学工艺创建一个新的功能化咪唑基离子液体家族,该家族将首次用于以高效、成本效益高且环境可接受的方式从果园废水中提取吡嘧韦。使用FTIR、SEM、XRD、TGA、BET和1H NMR光谱对功能化样品进行了表征。研究了IL取代基对分离能力的影响。此外,为了更好地了解不同离子液体在水溶液中的吸附行为,研究了在不同条件(时间、浓度和温度)下从果园废水中提取和分离吡嘧韦的方法。数据显示,在30分钟内达到吸附平衡,利用合成的[C2im][C3H6NH2]Br-实现了对吡瑞威的最大去除。拟一阶模型和Langmuir模型都很好地拟合了吡嘧韦的吸附机理,具有很好的吸附性能。热力学分析表明,吸附过程是自发的、吸热的和熵驱动的。合成的咪唑基离子液体具有良好的再生能力,至少可循环6次吸附-解吸,并已成功用于检测梨毒果园废水样品。所提出的方法的优越安全性使其成为一种有前途的污染预防策略。因此,这项工作已经证明,吡嘧韦对各种咪唑鎓基离子液体的吸附取决于所生产的咪唑鎓基离子液体的结构,这说明了其在水污染物去除和环境修复方面的实际应用潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Adsorption Science & Technology
Adsorption Science & Technology 工程技术-工程:化工
CiteScore
5.00
自引率
10.30%
发文量
181
审稿时长
4.5 months
期刊介绍: Adsorption Science & Technology is a peer-reviewed, open access journal devoted to studies of adsorption and desorption phenomena, which publishes original research papers and critical review articles, with occasional special issues relating to particular topics and symposia.
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