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新型低成本微/介孔纳米复合材料用于高效去除水中的芳香族和致病性污染物

New micro/mesoporous nanocomposite material from low-cost sources for the efficient removal of aromatic and pathogenic pollutants from water.

作者信息

Unuabonah Emmanuel I, Nöske Robert, Weber Jens, Günter Christina, Taubert Andreas

机构信息

Environmental and Chemical Processes Research Laboratory, Centre for Chemical and Biochemical Research, Redeemer's University, PMB 230, Ede, Osun State, Nigeria.

Department of Chemical Sciences, Redeemer's University, PMB 230, Ede, Osun State, Nigeria.

出版信息

Beilstein J Nanotechnol. 2019 Jan 9;10:119-131. doi: 10.3762/bjnano.10.11. eCollection 2019.

DOI:10.3762/bjnano.10.11
PMID:30680284
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6334806/
Abstract

A new micro/mesoporous hybrid clay nanocomposite prepared from kaolinite clay, seeds, and ZnCl via calcination in an inert atmosphere is presented. Regardless of the synthesis temperature, the specific surface area of the nanocomposite material is between ≈150 and 300 m/g. The material contains both micro- and mesopores in roughly equal amounts. X-ray diffraction, infrared spectroscopy, and solid-state nuclear magnetic resonance spectroscopy suggest the formation of several new bonds in the materials upon reaction of the precursors, thus confirming the formation of a new hybrid material. Thermogravimetric analysis/differential thermal analysis and elemental analysis confirm the presence of carbonaceous matter. The new composite is stable up to 900 °C and is an efficient adsorbent for the removal of a water micropollutant, 4-nitrophenol, and a pathogen, from an aqueous medium, suggesting applications in water remediation are feasible.

摘要

本文介绍了一种通过在惰性气氛中煅烧由高岭土、晶种和氯化锌制备的新型微/介孔杂化粘土纳米复合材料。无论合成温度如何，该纳米复合材料的比表面积在约150至300 m²/g之间。该材料中微孔和介孔的含量大致相等。X射线衍射、红外光谱和固态核磁共振光谱表明，前驱体反应后材料中形成了几种新的化学键，从而证实了新型杂化材料的形成。热重分析/差示热分析和元素分析证实了含碳物质的存在。这种新型复合材料在高达900°C时稳定，是从水介质中去除水微污染物4-硝基苯酚和病原体的高效吸附剂，表明其在水修复中的应用是可行的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/9ea583cdca76/Beilstein_J_Nanotechnol-10-119-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/fac01edffc2b/Beilstein_J_Nanotechnol-10-119-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/e34db60ead31/Beilstein_J_Nanotechnol-10-119-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/fe51aa1bace5/Beilstein_J_Nanotechnol-10-119-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/f032075f2bde/Beilstein_J_Nanotechnol-10-119-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/d0128f980ad9/Beilstein_J_Nanotechnol-10-119-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/24b642f2f3ef/Beilstein_J_Nanotechnol-10-119-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/8d853e277ec3/Beilstein_J_Nanotechnol-10-119-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/4230f332c2d4/Beilstein_J_Nanotechnol-10-119-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/920b1002f751/Beilstein_J_Nanotechnol-10-119-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/9ea583cdca76/Beilstein_J_Nanotechnol-10-119-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/fac01edffc2b/Beilstein_J_Nanotechnol-10-119-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/e34db60ead31/Beilstein_J_Nanotechnol-10-119-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/fe51aa1bace5/Beilstein_J_Nanotechnol-10-119-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/f032075f2bde/Beilstein_J_Nanotechnol-10-119-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/d0128f980ad9/Beilstein_J_Nanotechnol-10-119-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/24b642f2f3ef/Beilstein_J_Nanotechnol-10-119-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/8d853e277ec3/Beilstein_J_Nanotechnol-10-119-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/4230f332c2d4/Beilstein_J_Nanotechnol-10-119-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/920b1002f751/Beilstein_J_Nanotechnol-10-119-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cfb3/6334806/9ea583cdca76/Beilstein_J_Nanotechnol-10-119-g011.jpg

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