Ghandourah Mohammed A, Orif Mohammad I, Al-Farawati Radwan K, El-Shahawi Mohammad S, Abu-Zied Ramadan H
Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, P.O. Box 80207, Jeddah 21589, Saudi Arabia.
Department of Chemistry, Faculty of Sciences, King Abdulaziz University, P.O. Box 80207, Jeddah 21589, Saudi Arabia.
Gels. 2023 Nov 8;9(11):884. doi: 10.3390/gels9110884.
Textile dyes widely used in industrial products are known as a major threat to human health and water ecological security. On the other hand, sol gel represents a principal driver of the adoption of dispersive solid-phase microextractors (d-µ SPME) for pollutants residues in water. Thus, the current study reports a new and highly rapid and highly efficient hybrid sol-gel-based sponge polyurethane foam as a dispersive solid-phase microextractor (d-µ-SPME) platform packed mini-column for complete preconcentration and subsequent spectrophotometric detection of eosin Y textile dye in wastewater. The unique porous structure of the prepared sol-gel immobilized polyurethane foams (sol-gel/PUF) has suggested its use for the complete removal of eosin Y dye (EY) from water. In the mini-column, the number (N) of plates, the height equivalent to the theoretical plates (HETP), the critical capacity (CC), and the breakthrough capacities (BC) of the hybrid sol-gel-treated polyurethane foams towards EY dye were determined via the breakthrough capacity curve at various flow rates. Under the optimum condition using the matrix match strategy, the linear range of 0.01-5 µg L, LODs and LOQs in the range of 0.006 µg L, and 0.01 µg L for wastewater were achieved. The intra-day and inter-day precisions were evaluated at two different concentration levels (0.05 and 5 μg L of dye) on the same day and five distinct days, respectively. The analytical utility of the absorbents packed in pulses and mini-columns to extract and recover EY dye was attained by 98.94%. The column could efficiently remove different dyes from real industrial effluents, and hence the sol-gel/PUF is a good competitor for commercial applications. The findings of this research work have strong potential in the future to be used in selecting the most suitable lightweight growing medium for a green roof based on stakeholder requirements. Therefore, this study has provided a convenient pathway for the preparation of compressible and reusable sponge materials from renewable biomass for efficient removal of EY from the water environment.
广泛用于工业产品的纺织染料被认为是对人类健康和水生态安全的重大威胁。另一方面，溶胶-凝胶是采用分散固相微萃取器（d-µ SPME）分析水中污染物残留的主要驱动力。因此，本研究报告了一种新型、快速且高效的基于溶胶-凝胶的海绵状聚氨酯泡沫，作为一种分散固相微萃取器（d-µ-SPME）平台填充微型柱，用于对废水中的曙红Y纺织染料进行完全预浓缩并随后进行分光光度检测。所制备的溶胶-凝胶固定化聚氨酯泡沫（sol-gel/PUF）独特的多孔结构表明其可用于从水中完全去除曙红Y染料（EY）。在微型柱中，通过不同流速下的穿透容量曲线，测定了混合溶胶-凝胶处理的聚氨酯泡沫对EY染料的塔板数（N）、理论塔板高度（HETP）、临界容量（CC）和穿透容量（BC）。在使用基质匹配策略的最佳条件下，废水的线性范围为0.01 - 5 µg L，检测限和定量限分别为0.006 µg L和0.01 µg L。分别在同一天的两个不同浓度水平（0.05和5 μg L染料）以及五个不同的日子评估日内和日间精密度。脉冲填充和微型柱中填充的吸附剂对EY染料的萃取和回收率达到了98.94%。该柱能够有效地从实际工业废水中去除不同的染料，因此溶胶-凝胶/PUF是商业应用的有力竞争者。本研究工作的结果在未来有很大潜力用于根据利益相关者的要求选择最适合绿色屋顶的轻质生长介质。因此，本研究为从可再生生物质制备可压缩且可重复使用的海绵材料以高效去除水环境中的EY提供了一条便捷途径。
