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The Impact of Nanomaterials on the Environment
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The Impact of Nanomaterials on the Environment

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 3432

Special Issue Editor

Dr. Huanxuan Li

E-Mail Website
Guest Editor
College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, China
Interests: metal–organic frameworks; nanocatalysts; advanced oxidation processes; radical and non-radical degradation; catalytic mechanism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The study of nanomaterials is currently one of the highest priority research fields across the globe, as a result of its immense potentiality and economic impact. Nanomaterials are widely used in the fields of science, technology, healthcare, industry, and agriculture. The unique characteristics of nanoparticles enable them to provide environmental solutions that reduce the formation and emission of pollutants. However, due to uncertainties and irregularities in shape, size, and chemical composition, the presence of certain nanomaterials may exert adverse impacts on the environment, as well as human health, during the manufacturing process when nanomaterials are released. A core understanding of the factors affecting the accumulation, aggregation, deposition, translocation, and distribution of nanomaterials (natural or engineered) in our ecosystem is essential.

This Special Issue aims to highlight recent progress and new developments in the identification of the environmental effects of nanomaterials. This might include, but is by no means limited to: classification, behavior, fate, bioavailability, adverse impacts on human health and the environment, transport pathways, monitoring methods, current regulations regarding nanomaterials, etc. Moreover, studies relating to improvements in the sensitivity and selectivity of analytical methods for the detection of nanoparticles in the environment are welcome. The above aspects might be covered by a range of different approaches, including advanced experimental techniques, analytical modeling, numerical implementation, and different verification and application methods. Review articles which describe the current state of the industry are also welcome.

Dr. Huanxuan Li
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. Materials 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 2600 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

  • nanomaterials
  • adverse impacts
  • behaviour and fate
  • bioavailability
  • transport pathways
  • monitoring methods
  • distribution of nanomaterials

Published Papers (2 papers)

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Research

16 pages, 7838 KiB  
Article
Preparation of Functionalized Zr-Based MOFs and MOFs/GO for Efficient Removal of 1,3-Butadiene from Cigarette Smoke
by Yunxin Yang, Cong Wang, Hua Zhang, Jiancai Qian, Song Yang, Huiyun Liao, Xuehui Sun, Yipeng Wang, Peijian Sun, Yunzhen Jia, Junwei Guo, Huaiyuan Zhu and Cong Nie
Materials 2023, 16(2), 684; https://doi.org/10.3390/ma16020684 - 10 Jan 2023
Cited by 1 | Viewed by 1445
Abstract
Removal of 1,3-butadiene from cigarette smoke plays an important role in human health and environmental protection. Herein, a series of UiO-66 X% containing different ratios of the -NH2 group was synthesized via the solvothermal method by using terephthalic acid (H2BDC) [...] Read more.
Removal of 1,3-butadiene from cigarette smoke plays an important role in human health and environmental protection. Herein, a series of UiO-66 X% containing different ratios of the -NH2 group was synthesized via the solvothermal method by using terephthalic acid (H2BDC) and 2-aminoterephthalic acid (NH2-BDC) as ligands. Using GO as support, a series of UiO-66-NH2/GO Y% were prepared by controlling the ratio of UiO-66-NH2 and GO. The effects of -NH2 and GO contents on the structure and composition of MOFs were investigated. Finally, the different -NH2 contents of UiO-66 X% and the different GO contents of UiO-66-NH2/GO Y% were applied in 1,3-butadiene removal from cigarette smoke. The results showed that UiO-66 X% with the higher contents of -NH2 showed a higher rate of 1,3-butadiene removal, and UiO-66-NH2/GO Y% with the GO contents of 5% showed the highest removal rate of about 33.85%, which was 25.54% higher than that of activated carbon. In addition, the saturation capacity of the adsorbent materials for 1,3-butadiene was as high as 210.01–239.54 mg/g, showing great potential in reducing harmful components in cigarette smoke and environmental protection. Full article
(This article belongs to the Special Issue The Impact of Nanomaterials on the Environment)
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16 pages, 3422 KiB  
Article
Synthesis of Bimetallic FeCu-MOF and Its Performance as Catalyst of Peroxymonosulfate for Degradation of Methylene Blue
by Huanxuan Li, Chen Xu, Ning Li, Tao Rao, Zhong Zhou, Qingwei Zhou, Chunhui Wang, Shaodan Xu and Junhong Tang
Materials 2022, 15(20), 7252; https://doi.org/10.3390/ma15207252 - 17 Oct 2022
Cited by 9 | Viewed by 1744
Abstract
Bimetallic MOFs have recently emerged as promising materials for wastewater treatment based on advanced oxidation processes. Herein, a new bimetallic MOF (FeCu-MOF) was fabricated by hydrothermal process. The structural, morphological, compositional and physicochemical properties of the as-synthesized bimetallic FeCu-MOF were characterized by XRD, [...] Read more.
Bimetallic MOFs have recently emerged as promising materials for wastewater treatment based on advanced oxidation processes. Herein, a new bimetallic MOF (FeCu-MOF) was fabricated by hydrothermal process. The structural, morphological, compositional and physicochemical properties of the as-synthesized bimetallic FeCu-MOF were characterized by XRD, FT-IR, SEM, TEM, BET, and XPS. TEM and XPS confirmed the homogeneous distribution of CuO2 nanoparticles in the as-synthesized materials. The result of wastewater treatment indicated that 100% of MB was removed by 6.0 mM PMS activated with 0.6 g/L of FeCu-MOF in 30 min. The high catalytic performance of FeCu-MOF was probably due to the accelerated electron and mass transfer resulting from the existence of a homogeneous distribution of unsaturated metal sites and an abundant mesoporous structure. The obtained results from the competitive quenching tests demonstrated that sulfate radicals (SO4•−) were the major species responsible for MB oxidation. In addition, hydroxyl (·OH) and singlet oxygen (1O2) also had a nonnegligible role in the MB removal. Interestingly, the addition of acetate ion (CHCOO−) promoted the removal of MB while other anions (including NO2−, H2PO4−, SO42−, HPO42−, and HCO3−) inhibited the MB removal. Furthermore, a possible mechanism based on both heterogeneous and homogeneous activation of PMS was proposed, along with the MB degradation mechanism. Full article
(This article belongs to the Special Issue The Impact of Nanomaterials on the Environment)
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