4.2 Article

Removal of tetracycline from wastewater by Fe-modified oyster shell

Journal

FERROELECTRICS
Volume 581, Issue 1, Pages 73-81

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/00150193.2021.1906116

Keywords

Oyster shell; modification; adsorption; tetracycline; substrate

Funding

  1. Second-level Project of the National Coastal Zone Comprehensive Geological Survey Project [DD20189503]

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A synthetic adsorbent (FS) was successfully used to remove Tetracycline (TET) from wastewater, with the highest efficiency observed at a particle diameter of 20-30mm and HCl concentration of 0.6mol/L. The study demonstrated that FS is a low-cost and effective adsorbent for TET removal in constructed wetlands.
A synthetic adsorbent (FS) that can be used in constructed wetlands to removal Tetracycline (TET) from wastewater was obtained by co-precipitation of iron and oyster shell. The scanning electron microscopy (SEM) of the oyster shells showed rough surface and layered structure, while the characteristics of FS were shown by X-ray diffraction (XRD). Adsorption efficiency of FS was influenced by particle size and HCl concentration. The experimental results revealed that FS with particle diameter of 20-30mm and HCl concentration of 0.6 mol/L had the highest TET removal rate. The results of study presented that FS was recognized as a low-cost, effective adsorbent.

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