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Environmental Behavior of Nanoparticles
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Environmental Behavior of Nanoparticles

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 5449

Special Issue Editors

Dr. Yingchen Bai

E-Mail Website
Guest Editor
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Interests: nanoparticles; environmental behavior; toxicity; environmental management
Prof. Dr. Fei Wang

E-Mail Website
Guest Editor
Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
Interests: environmental impact of engineered and natural nanoparticles; environmental behaviors of contaminants; ecotoxicology; environmental management
Dr. Yanyan Zhao

E-Mail Website
Guest Editor
CSIRO Energy, Research Way, Clayton, VIC 3168, Australia
Interests: environmental science; recovery of used batteries; environmental management

Special Issue Information

Dear Colleagues,

Due to their unique physical and chemical properties, nanoparticles have been widely used in chemical catalysis, drug synthesis, optical device preparation, and other fields. With their increased application, nanoparticles will inevitably enter environments including water, soil, and air. Therefore, the environmental impacts and ecological effects of engineered and natural nanoparticles, including carbon/metal-based nanoparticles, metal nanoparticles, humic substances in nano size, and nanoplastics, have attracted more and more attention.

On the one hand, engineered and natural nanoparticles can interact with trace environmental contaminants (e.g., metal ions and organic compounds) to form complex pollution, which can affect the mobility, transformation, toxicity, and bioavailability of contaminants through adsorption, desorption, phase transition, etc. On the other hand, as effective adsorption materials, nanoparticles and nanoporous materials can be applied to reduce environmental contaminants due to their effective adsorption capacity. Therefore, the investigation of the adsorption/desorption characteristics of nanoparticles is a hot topic in the field of nanotechnology and environmental sciences.

This Special Issue aims to focus on recent advances in research on environmental behaviors of natural and engineered nanoparticles. This mainly includes the adsorption, desorption, and interaction between natural and engineered nanoparticles and contaminants. High-quality original research papers on these topics will be welcomed, which mat reflect both technical advances and innovations with respect to the environmental behaviors of nanoparticles, including eco-toxicology of nanoparticle–contaminant complexes and nanoparticles. The investigation of interactions between natural nanoparticles (e.g., dissolved organic matter, humic substance, super-biomolecule) and contaminants is also encouraged, especially in aquatic systems. Review articles which describe the current state of research on the environmental behaviors of nanoparticles and risk assessments of nanoparticles are also welcome.

Potential topics include but are not limited to the following:

1) Interaction/complexation/chelation of engineered/natural nanoparticles and contaminants;

2) Biogeochemical process studies addressing the mobility and transformations of engineered/natural nanoparticles;

3) Toxicity, bioavailability, and bioaccumulation of engineered/natural nanoparticles;

4) Ecological risk assessments and human health impact evaluations on engineered/natural nanoparticles;

5) New techniques and methods in the design, manufacture, and characterization of engineered/natural nanoparticles and nano-porous materials;

6) Catalysis and degradation involved in engineered/natural nanoparticles;

7) Innovative technologies, concepts, and approaches for application and testing of engineered/natural nanoparticles;

8) Advances in the detection and removal of environmental contaminants based on engineered/natural nanoparticles and nanoporous materials;

9) Suspension and dispersion of engineered/natural nanoparticles in natural media;

10) Environmental management of engineered nanoparticles.

Dr. Yingchen Bai
Prof. Dr. Fei Wang
Dr. Yanyan Zhao
Guest Editors

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. Sustainability 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 2400 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

  • engineered/natural nanoparticle
  • nanoplastic
  • environmental behaviors
  • environmental management

Published Papers (3 papers)

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Research

12 pages, 2846 KiB  
Article
Utilization of Selected Nanoparticles (Ag2O and MnO2) for the Production of High-Quality and Environmental-Friendly Gasoline
by Ahmed A. Fattah, Tarek M. Aboul-Fotouh, Khaled A. Fattah and Aya H. Mohammed
Sustainability 2022, 14(19), 12513; https://doi.org/10.3390/su141912513 - 30 Sep 2022
Cited by 2 | Viewed by 1076
Abstract
Nowadays, the devastating effects of the pollutants produced by gasoline are known well. As a result, scientists are looking for a better formula to replace the gasoline currently in use. Using different additives has been one of the strategies developed throughout the years. [...] Read more.
Nowadays, the devastating effects of the pollutants produced by gasoline are known well. As a result, scientists are looking for a better formula to replace the gasoline currently in use. Using different additives has been one of the strategies developed throughout the years. However, because certain compounds damage the environment and human life, researchers must now choose which additives to use. The primary goal of this work is to test a gasoline combination with nano-additives Ag2O and MnO2 in a 4-stroke vehicle engine (Fiat 128) and to investigate the influence of novel mixes on the efficiency of combustion rates and the amount of target pollutant gas released (CO, NOx, and the exhaust temperature). The tests were carried out at three different engine speeds: 2000, 2500, and 2900 rpm. At the end of the test, the 0.05% concentration of Ag2O nano-additive was chosen as the best sample, which increases engine performance in gasoline combustion rates and minimizes harmful gas emissions. Furthermore, CO and NOx emissions were lowered by 52% and 35%, respectively, according to EURO 6, indicating a considerable reduction in mortality rates and costs. Finally, a new mechanism was observed using Ag2O nanoparticles, leading to a reduction in CO and CO2 at the same time. Full article
(This article belongs to the Special Issue Environmental Behavior of Nanoparticles)
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19 pages, 3151 KiB  
Article
Preparation and Characterization of Cattail-Derived Biochar and Its Application for Cadmium Removal
by Xiaoshu Wang, Zheng Yan, Lingchao Song, Yangyang Wang, Jia Zhu, Nan Xu, Jinsheng Wang, Ming Chang and Lei Wang
Sustainability 2021, 13(16), 9307; https://doi.org/10.3390/su13169307 - 19 Aug 2021
Cited by 5 | Viewed by 1790
Abstract
Biochars produced from aquatic plants have attracted increasing attention for the removal of heavy metals from the environment. Therefore, biochars derived from the roots (CBR), stems (CBS) and leaves (CBL) of cattail were investigated in this paper for their higher adsorption capacity, particularly [...] Read more.
Biochars produced from aquatic plants have attracted increasing attention for the removal of heavy metals from the environment. Therefore, biochars derived from the roots (CBR), stems (CBS) and leaves (CBL) of cattail were investigated in this paper for their higher adsorption capacity, particularly for Cd(II). The adsorption characteristics and the leaching of alkali (soil) metals within biochars obtained from the different tissues of cattail were also discussed. The results showed that the specific surface area of cattail root biochar reached 15.758 m2 g−1. Langmuir, Freundlich and D-R isotherm equations were used to fit the experimental data, and the last equation revealed the best fitting result. The adsorption kinetics for Cd(II) removal were determined by using two different models. The experimental data for CBR and CBS were in good agreement with the pseudo second-order model, whereas the pseudo first-order model provided a better fit for CBL. The amount of leached K reached 73.214 mg g−1 in CBS (55.087 mg g−1 in CBL), which was almost an order of magnitude higher than those of Mg and Ca. The experimental data showed that the leached Mg and Ca metals in CBL had maximum levels of 6.543 and 10.339 mg g−1, respectively. The mechanism of Cd(II) sorption by the biochar is complex and probably involves a combination of mass transfer, ion exchange, and mineral precipitation through the macropores and micropores of the biochar in the sorption process. Full article
(This article belongs to the Special Issue Environmental Behavior of Nanoparticles)
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14 pages, 4905 KiB  
Article
Surface Activity of Humic Acid and Its Sub-Fractions from Forest Soil
by Shijie Tian, Weiqiang Tan, Xinyuan Wang, Tingting Li, Fanhao Song, Nannan Huang and Yingchen Bai
Sustainability 2021, 13(15), 8122; https://doi.org/10.3390/su13158122 - 21 Jul 2021
Cited by 3 | Viewed by 1624
Abstract
Surface activity of humic acid (HA) and its six sub-fractions isolated from forest soil were characterized by surface tension measurements, dynamic light scattering, and laser doppler electrophoresis. The surface tension of HA and its sub-fractions reduced from 72.4 mN·m−1 to 36.8 mN·m [...] Read more.
Surface activity of humic acid (HA) and its six sub-fractions isolated from forest soil were characterized by surface tension measurements, dynamic light scattering, and laser doppler electrophoresis. The surface tension of HA and its sub-fractions reduced from 72.4 mN·m−1 to 36.8 mN·m−1 in exponential model with the increasing concentration from 0 to 2000 mg·L−1. The critical micelle concentration (CMC) and Z-average particle size ranged from 216–1024 mg·L−1 and 108.2–186.9 nm for HA and its sub-fractions, respectively. The CMC have related with alkyl C, O-alkyl C, aromatic C, and carbonyl C (p < 0.05), respectively, and could be predicted with the multiple linear regression equation of CMC, CMC = 18896 − 6.9 × C-296 × alkyl C-331 × aromatic C-17019 × H/C + 4054 × HB/HI (p < 0.05). The maximum particle size was 5000 nm after filtered by a membrane with pore size of 450 nm, indicating HA and its sub-fractions could progressed self-assembly at pH 6.86. The aggregate sizes of number-base particle size distributions were mainly in six clusters including 2 ± 1 nm, 5 ± 2 nm, 10 ± 3 nm, 21 ± 8 nm, 40 ± 10 nm, and >50 nm analyzed by Gaussian model that maybe due to the inconsistency of the components and structures of the HA sub-fractions, requiring further study. It is significance to explore the surface activity of HA and its sub-fractions, which is helpful to clarify the environmental behavior of HA. Full article
(This article belongs to the Special Issue Environmental Behavior of Nanoparticles)
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