Using mesoporous silica alternate nanomaterials in adsorption of phenols from aqueous solutions

Document Type : Original Article

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Science and Mathematics Department, Faculty of Petroleum and Mining Engineering, Suez University

Abstract

For efficient adsorbents of hazardous phenols from samples of waste, composite materials utilizing mesoporous silica and organic ligands were used. The 4-amino antipyrine (4-AAP) ligand has been effectively conjugated to the mesoporous nanoparticles and adsorbs phenols under appropriate conditions. The scanning electron microscope (SEM), X-ray diffraction, and N2 adsorption/desorption isotherms process have been used to research this modern adsorbent content. The data highlighted that the proposed sensor, as per its selectivity, response, financially savvy and eco-accommodating method is highly appropriate for phenols collecting from polluted water. A batch process was used: 50 ml of 50 mg/L of each phenolic solutions at pH=8.0 with (zwitterionic buffer HEPES), was introduced to 100 mg 4-AAP sensor, then the mixture was submitted to filtration and the remaining phenols specified by Gas Chromatography in the supernatant solution. The sorbent capacity was 151.05, 82.03 and 83.47mg of phenol, m-cresol, o-cresol and quinol per gram of 4-AAP sensor, respectively with a correlation coefficient range of 0.998-0.999.

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