Porous Materials for Wastewater Treatment (2nd Edition)

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: 16 January 2026 | Viewed by 1178

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Guest Editor
School of Materials and Energy, School of Chemical Sciences & Technology, Yunnan Institute of Frontier Technologies in Water Treatment, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming 650091, China
Interests: catalysis (photocatalysis); synthesis of fine chemicals; nanomaterials; water treatment chemistry
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Dear Colleagues,

Porous materials, including microporous zeolites, mesoporous silica, aerogels, biochar, metal–organic frameworks (MOFs), and covalent organic frameworks (COFs), have found wide application due to their excellent adsorption, separation, ion exchange, and catalytic properties. On the other hand, the availability of good-quality water is going to become a significant challenge in the future. Water pollution caused by organic pollutants, heavy metals, phosphate in water, and other toxics has garnered increasing attention. The practical significance of the abovementioned aspects has encouraged the edition of this Special Issue of Nanomaterials, focusing on recent advances in “Porous Materials for Wastewater Treatment”.

This Special Issue is primed as a multidisciplinary study of some of the currently known and porous-material-based wastewater treatments considered essential in attaining sustainability in water management. Potential topics include, but are not limited to, the following: i) Advancements in porous-material-based wastewater treatment; ii) new methods such as the biotemplate method for the synthesis of porous materials, iii) porous materials for wastewater treatment; and iv) challenges with the porous-material-based wastewater treatment.

Prof. Dr. Jiaqiang Wang
Guest Editor

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Keywords

  • porous materials
  • wastewater treatment
  • biotemplate
  • heavy metals
  • phosphate removal
  • COD

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Research

19 pages, 10529 KiB  
Article
One-Pot Synthesis and Enhanced Vis-NIR Photocatalytic Activity of NiTiO3/TiO2 Templated by Waste Tobacco Stem-Silks
by Weidong Yuan, Xiaohong Chen, Yi Zhao, Ying Fang, Han Zhang, Daomei Chen and Jiaqiang Wang
Nanomaterials 2025, 15(2), 80; https://doi.org/10.3390/nano15020080 - 7 Jan 2025
Viewed by 789
Abstract
Synthesis of the photocatalysts with near-infrared light response usually involves upconversion materials or plasmon-assisted noble metals. Herein, NiTiO3/TiO2 was synthesized by using waste tobacco stem-silks as biotemplates and tetra-tert-butyl orthotitanate and nickel nitrate as precursors in a one-pot procedure. NiTiO [...] Read more.
Synthesis of the photocatalysts with near-infrared light response usually involves upconversion materials or plasmon-assisted noble metals. Herein, NiTiO3/TiO2 was synthesized by using waste tobacco stem-silks as biotemplates and tetra-tert-butyl orthotitanate and nickel nitrate as precursors in a one-pot procedure. NiTiO3(1.0)/TiO2(TSS) with a mass percent of Ni 1.0% exhibited very high visible-light photocatalytic efficiency in photodegradation of tetracycline hydrochloride (TC), which is 8.0 and 2.3 times higher than TiO2 prepared without templates and TiO2(TSS) prepared without Ni, respectively. Interestingly, NiTiO3(1.5)/TiO2(TSS) even exhibited good activity under NIR light (λ = 840~850 nm) without upconversion materials or plasmon-assisted noble metals, which is 2.8 and 2.2 times than TiO2 prepared without templates and TiO2(TSS), respectively. The boosting photocatalytic activity has been shown to be attributed to efficient charge separation and transfer across a direct Z-scheme heterojunction between NiTiO3 and TiO2 and enhanced light-harvesting ability of special flaky structure reduplicated from tobacco stem-silks. This reported strategy provides a new idea for the multifunctional utilization of waste tobacco stem-silks and the synthesis of novel photocatalysts for the potential application in wastewater treatment. Full article
(This article belongs to the Special Issue Porous Materials for Wastewater Treatment (2nd Edition))
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