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Nanomaterials
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State-of-the-Art Environmental Nanoscience and Nanotechnology
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State-of-the-Art Environmental Nanoscience and Nanotechnology

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 6415

Special Issue Editor

Prof. Dr. Jie Ma

E-Mail Website
Guest Editor
College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
Interests: capacitive deionization; electrosorption; saline wastewater; carbon nanotubes; electrode materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will be an overview of Environmental Nanomaterials and Nanotechnology. Research topics include but are not limited to the following:

  • Design of environmental nanomaterials, adjustment of their composition, structure and functions towards environmental remediation;
  • Application of natural and synthetic nanomaterials in environmental nanotechnologies, including adsorption, membrane, advanced oxidation technology, capacitive deionization, and so on;
  • The micro-interface reaction and mechanism of pollution control processes;
  • Environmental health and safety of nanotechnology, effects of physical and chemical properties of nanomaterials on biological and toxicological effects.

Prof. Jie Ma
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • environmental nanotechnology
  • pollution control
  • environmental safety
  • interface behavior
  • membrane
  • adsorption
  • environmental catalysis

Published Papers (4 papers)

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Research

11 pages, 1100 KiB  
Article
Impact of Nanotechnology from Nanosilica to Mitigate N and P Deficiencies Favoring the Sustainable Cultivation of Sugar Beet
by Lívia Tálita da Silva Carvalho, Renato de Mello Prado, José Lucas Farias Da Silva, Patrícia Messias Ferreira and Renan Izildo Antonio
Nanomaterials 2022, 12(22), 4038; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12224038 - 17 Nov 2022
Cited by 2 | Viewed by 1504
Abstract
This research aimed to study the effects of the nanosilica supply on Si absorption and the physiological and nutritional aspects of beet plants with N and P deficiencies cultivated in a nutrient solution. Two experiments were performed with treatments arranged in a 2 [...] Read more.
This research aimed to study the effects of the nanosilica supply on Si absorption and the physiological and nutritional aspects of beet plants with N and P deficiencies cultivated in a nutrient solution. Two experiments were performed with treatments arranged in a 2 × 2 factorial scheme in randomized blocks with five replications. The first experiment was carried out on plants under a N deficiency and complete (complete solution with all nutrients), combined with the absence of Si (0 mmol L−1) and the presence of Si (2.0 mmol L−1). In the other experiment, the plants were cultivated in a nutrient solution with a P deficiency and complete, combined with the absence (0 mmol L−1) and the presence of Si (2.0 mmol L−1). The beet crop was sensitive to the N and P deficiencies because they sustained important physiological damage. However, using nanosilica via fertigation could reverse the damage. Using nanotechnology from nanosilica constituted a sustainable strategy to mitigate the damage due to a deficiency in the beet crop of the two most limiting nutrients by optimizing the physiological processes, nutritional efficiency, and growth of the plants without environmental risks. The future perspective is the feasibility of nanotechnology for food security. Full article
(This article belongs to the Special Issue State-of-the-Art Environmental Nanoscience and Nanotechnology)
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12 pages, 5394 KiB  
Article
Tobacco Waste Liquid-Based Organic Fertilizer Particle for Controlled-Release Fulvic Acid and Immobilization of Heavy Metals in Soil
by Dongfang Wang, Jiangshan Li, Xia Yao, Qingchuan Wu, Jing Zhang, Jinghong Ye, He Xu, Zhengyan Wu and Dongqing Cai
Nanomaterials 2022, 12(12), 2056; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12122056 - 15 Jun 2022
Cited by 2 | Viewed by 1549
Abstract
Every year, a large amount of tobacco waste liquid (TWL) is discharged into the environment, resulting in serious pollution for the environment. In this work, a TWL-based particle (OACT) was fabricated by CaO, attapulgite (ATP), and TWL, and, then, OACT was coated by [...] Read more.
Every year, a large amount of tobacco waste liquid (TWL) is discharged into the environment, resulting in serious pollution for the environment. In this work, a TWL-based particle (OACT) was fabricated by CaO, attapulgite (ATP), and TWL, and, then, OACT was coated by amino silicon oil (ASO) to form OACT@ASO. Therein, OACT@ASO had high controlled-release ability for fulvic acid (FA), because of the nanonetworks structure for ATP and the high content of FA in TWL. The release ratio (RR) of FA from OACT@ASO reached 94% at 75 h in deionized water, and 23% at 32 d in silica sand. Furthermore, the release mechanism of FA from OACT@ASO was consistent with the First-order law. Additionally, OACT@ASO also possessed high immobilization capacity for Cu(II), Cd(II), and Pb(II) (CCP) in soil. Notably, a pot experiment indicated that OACT@ASO could facilitate the growth of pakchoi seedlings and decrease the absorption of CCP by pakchoi seedlings. Thus, this study provides a new kind of organic fertilizer which could not only release FA, but also immobilize CCP in soil. Full article
(This article belongs to the Special Issue State-of-the-Art Environmental Nanoscience and Nanotechnology)
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15 pages, 4105 KiB  
Article
Efficient Removal of Cr(VI) by TiO2 Based Micro-Nano Reactor via the Synergy of Adsorption and Photocatalysis
by Yu Song, Xi Lu, Zhibao Liu, Wenfei Liu, Ligang Gai, Xiang Gao and Hongfang Ma
Nanomaterials 2022, 12(2), 291; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12020291 - 17 Jan 2022
Cited by 13 | Viewed by 2180
Abstract
The low-toxicity treatment of chromium-containing wastewater represents an important way of addressing key environmental problems. In this study, a core-shell structural ZIF-8@TiO2 photocatalyst was synthesized by a simple one-step hydrothermal method. The obtained composite photocatalyst possessed improved photocatalytic activity compared with TiO [...] Read more.
The low-toxicity treatment of chromium-containing wastewater represents an important way of addressing key environmental problems. In this study, a core-shell structural ZIF-8@TiO2 photocatalyst was synthesized by a simple one-step hydrothermal method. The obtained composite photocatalyst possessed improved photocatalytic activity compared with TiO2. The results indicated that the optimized ZIF-8@TiO2 composite exhibited the highest removal efficiency with 93.1% of Cr(VI) after 120 min under UV-vis irradiation. The removal curves and XPS results indicated that the adsorbed Cr(VI) on the ZIF-8 during the dark process was preferentially reduced. The superior removal efficiency of ZIF-8@TiO2 is attributed to the combination of both high adsorption of ZIF-8, which attracted Cr(VI) on the composite surface, and the high separation efficiency of photo-induced electron-hole pairs. For the mixture of wastewater that contained methyl orange and Cr(VI), 97.1% of MO and 99.7% of Cr(VI) were removed after 5 min and 60 min light irradiation, respectively. The high removal efficiency of multiple pollutants provides promising applications in the field of Cr(VI) contaminated industrial wastewater treatment. Full article
(This article belongs to the Special Issue State-of-the-Art Environmental Nanoscience and Nanotechnology)
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12 pages, 7410 KiB  
Article
Optimized Preparation of Nanosized Hollow SSZ-13 Molecular Sieves with Ultrasonic Assistance
by Liang Zhou, Runlin Han, Yuxuan Tao, Jinqu Wang and Yiwei Luo
Nanomaterials 2020, 10(11), 2298; https://0-doi-org.brum.beds.ac.uk/10.3390/nano10112298 - 20 Nov 2020
Cited by 7 | Viewed by 2133
Abstract
Because of its unique eight-membered ring pore structure and the arrangement of cations in its structure, the SSZ-13 molecular sieve has a higher affinity for CO2 than other gases, meaning it has attracted more attention than other porous materials for CO2 [...] Read more.
Because of its unique eight-membered ring pore structure and the arrangement of cations in its structure, the SSZ-13 molecular sieve has a higher affinity for CO2 than other gases, meaning it has attracted more attention than other porous materials for CO2 adsorption. However, the expensive template and long preparation time limits the industrial production of SSZ-13. In this work, a hollow structure was successfully introduced into the nanosized SSZ-13 molecular sieve with ultrasonic treatment. The effects of the amount of seed added and the ultrasonic time on the structure were investigated. When the amount of seed added was 0.5 wt.% and the ultrasonic time was 60 min, the sample showed a hollow cubic crystal with a diameter of about 50 nm. The specific surface area reached 791.50 m2/g, and the mesoporous ratio was 66.3%. The samples were tested for CO2 adsorption performance at 298 K. It was found that the hollow sample prepared in this work has higher CO2 adsorption capacity compared with the SSZ-13 zeolite prepared with conventional methods. When the adsorption pressure was 0.27 bar, the adsorption amount reached 2.53 mmol/g. The hollow SSZ-13 molecular sieve reached a CO2 adsorption capacity of 4.24 mmol/g at 1 bar. Full article
(This article belongs to the Special Issue State-of-the-Art Environmental Nanoscience and Nanotechnology)
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