Fabrication of a biological metal–organic framework based superhydrophobic textile fabric for efficient oil/water separation

Abstract

In response to the industry's difficulty in properly separating oily wastewater discharge, researchers are investigating enhanced oil/water separation materials. In this work, a cost-effective and environmentally friendly superhydrophobic textile fabric was fabricated for effective oil–water mixture and emulsion separation. A biological metal–organic framework consisting of copper as a core metal and aspartic acid as a linker (Cu-Asp MOF) was used to improve the surface roughness of the pristine textile fabric, and stearic acid was used to lower its surface energy. The thermal gravimetric analysis investigated the prepared Cu-Asp MOF's thermal stability. X-ray spectroscopy and Fourier-transform infrared spectroscopy studied the crystal orientation and chemical composition of the Cu-Asp MOF, Cu-Asp MOF@SA, pristine textile fabric, and superhydrophobic textile fabric, respectively. The surface morphology of the pristine and modified textile fabric was studied by scanning electron microscope. The wettability results showed that the prepared superhydrophobic textile fabric has a water contact angle of 158° ± 1.3 and water sliding angle of 2° ± 0.2°. The prepared superhydrophobic textile fabric showed excellent oil–water mixture and emulsion separation performance, oil absorption capacity, chemical stability, mechanical abrasion resistance, and a high flux rate. These outstanding characteristics of the prepared superhydrophobic textile fabric greatly increase the possibility for practical applications.

Eco-friendly method for construction of superhydrophobic graphene-based coating on copper substrate and its corrosion resistance performance

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Fenugreek seed and cape gooseberry leaf extracts as green corrosion inhibitors for steel in the phosphoric acid industry

“…1 show the band assignments and FTIR spectrum bands for Fen and CgL extracts. Figure 1 a depicts the FTIR spectra of Fen seed extract, which show an absorption peak at 3299 cm −1 due to the indole ring’s N–H stretching vibrations, absorption peaks at 2927 and 1744 cm −1 because of the aliphatic C–H bond, and the carboxylic acid group's C=O group, respectively 22 . These bands correspond to l -tryptophan bands, one of the chemicals extracted from Fen seed 23 – 25 .…”

Fiber Integrated Metal‐Organic Frameworks as Functional Components in Smart Textiles

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