期刊
BIORESOURCE TECHNOLOGY
卷 346, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.126351
关键词
Algal biochar; Hydrothermal carbonization; ZnCl2; Ciprofloxacin (CIP); Adsorption
资金
- Ministry of Science and Technology (MOST) , Taiwan [109-2222-E-992-002]
Biochar derived from brown algal Ascophyllum nodosum showed good adsorption performance for antibiotic removal from water. The biochar, recycled from biowaste, demonstrated a promising and sustainable method.
In this study, biochar derived from brown algal Ascophyllum nodosum was synthesized through hydrothermal carbonization (HTC) coupling with ZnCl2 chemical activation and applied as a sustainable adsorbent for antibiotic removal from water exemplified by ciprofloxacin (CIP). Various surface analysis techniques such as Brunauer-Emmett-Teller (BET), scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and zeta potential were used to clarify the surface properties of prepared biochars. The adsorption performance of biochars was investigated using batch adsorption experiments with a variety of parameters (initial pH, ionic types, temperature and water matrixes). The application of prepared biochar in CIP removal showed a good result of adsorption capacity (150-400 mg g(-1)) in different conditions. Overall, algal biochars, as a product recycled from biowaste, demonstrated a novel and promising adsorbent for effective and sustainable method for removal of antibiotics from water.
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