콘텐츠 본문
논문 해외 국제전문학술지(SCI급) Ti3C2Tx MXene core-shell spheres for ultrahigh removal of mercuric ions
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2019-07
- 저자명 우승한,Shahzad, A (Shahzad, Asif),Nawaz, M (Nawaz, Mohsin),Mortahida, M (Mortahida, Mokre,Jang, J (Jang, Jiseon),Tahir, K (Tahir, Khurram),Kim, J (Kim, Jiho),Lim, Y (Lim, Youngsu),Vassiliadis, VS (Vassiliadis,,Lee, DS (Lee, Dae Sung)
- 학술지명 CHEMICAL ENGINEERING JOURNAL
- 발행처명 ELSEVIER SCIENCE SA
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 10
논문 초록 (Abstract)
Two-dimensional (2-D) titanium carbide MXene core (Ti3C2Tx) shell aerogel spheres (MX-SA) for mercuric ion removal were designed and fabricated with varying concentrations of Ti3C2Tx MXene and sodium alginate (SA) using a facile method. Owing to their unique inside structures, high porosities, large specific surface areas, oxygenated functional groups of MXene nanosheets, and available active binding sites, the synthesized microspheres constitute a unique adsorbent for heavy metals removal in water. The MX-SA(4:20) spheres exhibit an exceptional adsorption capacity of 932.84 mg/g for Hg2+, which is among the highest value reported for adsorbents. The adsorbent exhibits high single-and multi-component removal efficiencies, with 100% efficiency for Hg2+ and > 90% efficiency for five heavy metal ions. The synthesized materials are highly efficient for Hg2+ removal under extreme pH conditions (0.5-1.0 M HNO3) and have additional excellent reproducible properties. The micro-size and spherical shape of MX-SA(4:20) also allow it to be used in column-packed devices.
