Synthesis of waste derived bimetallic (Fe/Ca) Oxy-iodide (WD-BMOX) encapsulated with PVDF based nanosphere (WD-BMOX-P) as solar active agent: An efficient photodegradation of antibiotic

IF 8.6 2区 工程技术 Q1 ENERGY & FUELS
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Abstract

Tetracycline (TC) pharmaceutical compound is the third most used antibiotic after penicillin and quinolones, which developed bacterial resistance against them and environmental toxicity due to partially metabolized within humans and animals. At the same time, waste products (WPs) including food, agriculture, and plastic waste significantly increased day-by-day with the growing population. Therefore, there is a pleading requirement to develop a solar active agent that effectively degrades environmental pollution as well as reduces the burden of WPs. In this context, the present works focus on the development of waste-derived bimetallic (Fe/Ca) Oxy-iodide (WD-BMOX) encapsulated with PVDF-based nanosphere (WD-BMOX-P) as a solar active agent for the degradation of TC antibiotics. The band gap values of the synthesized WD-BMOX-P-based nanosphere are easily altered by changing the ratio of Fe/Ca. The lowest band gap values were observed to be ∼1.95 eV of the WD-BMOX-P-1:2, whereas upon increasing the Ca within the nanosphere band gap value significantly increases. The incorporation of PVDF polymer within the WD-BMOX-P aided advantages to formed nanosphere and improved oxygen vacancy, thereby high degradation efficiency. The highest degradation of TC antibiotics ∼96.8% and ∼ 69% was observed using WD-BMOX-P-1:2 nanosphere at 1 mg/L and 10 mg/L, of TC antibiotics within 60 min of solar irradiation, respectively. Moreover, ∼88% and 100% photodegradation of TC antibiotics was observed at pH 10 and the presence of H2O2 at 10 mg/L, respectively. The data indicate that the synthesized WD-BMOX-P-based nanosphere might be promising solar active agents, which effectively degrade TC antibiotics from water.

Abstract Image

用聚偏二氟乙烯(PVDF)为基底的纳米球(WD-BMOX-P)封装作为太阳能活性剂的废物衍生双金属(铁/钙)氧碘化物(WD-BMOX)的合成:抗生素的高效光降解
四环素(TC)药物化合物是仅次于青霉素和喹诺酮类药物的第三大抗生素,由于在人类和动物体内部分代谢,细菌对其产生了抗药性和环境毒性。与此同时,随着人口的增长,包括食品、农业和塑料废弃物在内的废物(WPs)也与日俱增。因此,人们迫切需要开发一种能有效降解环境污染并减轻 WPs 负担的太阳能活性剂。在此背景下,本研究重点开发了由废物衍生的双金属(铁/钙)氧化-碘(WD-BMOX)与基于 PVDF 的纳米球(WD-BMOX-P)封装在一起,作为降解 TC 抗生素的太阳能活性剂。通过改变铁/钙的比例,很容易改变合成的基于 WD-BMOX-P 的纳米圈的带隙值。据观察,WD-BMOX-P-1:2 的最低带隙值为 1.95 eV,而当纳米球中的 Ca 增加时,带隙值明显增加。在 WD-BMOX-P 中加入 PVDF 聚合物有助于形成纳米球,改善氧空位,从而提高降解效率。使用 WD-BMOX-P-1:2 纳米球时,在太阳光照射 60 分钟内,1 mg/L 和 10 mg/L TC 抗生素的降解率分别为 96.8%和 69%。此外,在 pH 值为 10 和 H2O2 为 10 mg/L 的条件下,TC 抗生素的光降解率分别为 88% 和 100%。这些数据表明,合成的基于 WD-BMOX-P 的纳米球可能是一种很有前景的太阳能活性剂,能有效降解水中的 TC 抗生素。
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来源期刊
Sustainable Materials and Technologies
Sustainable Materials and Technologies Energy-Renewable Energy, Sustainability and the Environment
CiteScore
13.40
自引率
4.20%
发文量
158
审稿时长
45 days
期刊介绍: Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.
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