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Molecules
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Environmental Analysis of Organic Pollutants, 2nd Edition
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Environmental Analysis of Organic Pollutants, 2nd Edition

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 5534

Special Issue Editors

Prof. Dr. Wenbin Liu

E-Mail Website
Guest Editor
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
Interests: organic pollutants; POPs; sediment, soil contaminants; air pollution; industrial emission; incineration emission; dioxins
Special Issues, Collections and Topics in MDPI journals
Dr. Chunci Chen

E-Mail Website
Guest Editor
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
Interests: environmental management; policy analysis; regional ecological risk assessment

Special Issue Information

Dear Colleagues,

Following the success of the first Special Issue “Environmental Analysis of Organic Pollutants”, in which 20 research papers and 1 review papers were published, we have decided that the time has arrived to launch a second edition. 

The environmental impact of organic pollutants, especially persistent and emerging organic pollutants, has attracted extensive attention, and related research has developed rapidly. Research in organic pollutants is a popular topic in the environmental field. Industrial production and other human activities emit a large number of organic pollutants, which are widely distributed in air, water, sediment, soil, and other environmental media. A series of research projects has been carried out on the development of analytical methods for organic pollutants, the distribution of environmental media, environmental concentration, environmental fate, the exploration of new pollutants, and the non-target analysis of organic pollutants.

Molecules is very pleased to host this Special Issue. The aim of this Special Issue is to collect original research papers and review articles focused on the abovementioned aspects of organic environmental pollutants.

Prof. Dr. Wenbin Liu
Dr. Chunci Chen
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. Molecules 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 2700 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

  • organic pollutants
  • POPs
  • emerging contaminants
  • sediment contaminants
  • soil contaminants
  • water pollutants
  • air pollution
  • industrial emission

Published Papers (4 papers)

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Research

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15 pages, 1478 KiB  
Article
Detection Method and Common Characteristics of Waste Solvent from Semiconductor Industry
by Jinjuan Ni, Qing Zhang, Xianglin Zhang, Zhilong Sun and Dali Bao
Molecules 2023, 28(16), 5992; https://doi.org/10.3390/molecules28165992 - 10 Aug 2023
Viewed by 1013
Abstract
The recycling of organic solvents is a widely discussed topic. The waste organic solvents from thin-film-transistor liquid-crystal display (TFT-LCD) production is characterized by large quantities, multiple types, and complex compositions. Thus, the unified and compatible component analysis method is important for studying the [...] Read more.
The recycling of organic solvents is a widely discussed topic. The waste organic solvents from thin-film-transistor liquid-crystal display (TFT-LCD) production is characterized by large quantities, multiple types, and complex compositions. Thus, the unified and compatible component analysis method is important for studying the recovery of waste organic solvents. In our work, based on the study of existing analytical methods, we designed a compatible method for the analysis of moisture using Karl Fischer analysis, for the analysis of organic compounds using gas chromatography, and for the analysis of the photoresist and other solids by evaporation. These were specific methods for analyzing the components of near-total formulation thin-film-transistor liquid-crystal display waste organic solvent. The organic matter content was analyzed via gas chromatography with a CP-Sil8CB column and flame ionization detector. The initial temperature of the column was 90 °C and the holding time was 1 min. The heating rate was 30 °C/min. The temperature was raised to 270 °C for 7 min. The internal standard method and the external standard method were used to determine the content of the main components of organic compounds. The relative standard deviation of the analytical results was 1.14~2.93%, 1.21~4.74% and 0.61%, respectively. The analytical results had good accuracy, but the external standard method was better; the recoveries were 99.76~107.60%, 95.86~107.70%, and 95.23~96.88%, respectively. Based on the composition analysis, the composition rule of the waste organic solvent was summarized. Through the exploration of the effect of the waste solvent, the common characteristics of the waste solvent were obtained. This study provides a good strategy and an optimized method for improving the efficiency of organic solvent recovery. Full article
(This article belongs to the Special Issue Environmental Analysis of Organic Pollutants, 2nd Edition)
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Review

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17 pages, 2697 KiB  
Review
A Review of Distribution and Profiles of HBCD in Different Environmental Media of China
by Jinglin Deng, Wenbin Liu, Lirong Gao, Tianqi Jia, Yunchen He, Tianao Mao and Javid Hussain
Molecules 2024, 29(1), 36; https://doi.org/10.3390/molecules29010036 - 20 Dec 2023
Cited by 1 | Viewed by 782
Abstract
Hexabromocyclododecane (HBCD) is the most important flame retardant that has been used in Expanded Polystyrene foam and Extruded Polystyrene foam in the past forty years across the world. China was the major producer and user of HBCD, and the total HBCD production was [...] Read more.
Hexabromocyclododecane (HBCD) is the most important flame retardant that has been used in Expanded Polystyrene foam and Extruded Polystyrene foam in the past forty years across the world. China was the major producer and user of HBCD, and the total HBCD production was about 0.3 million tons. Although HBCD was completely banned in China in 2021 because of its long-range transport, bioaccumulation and toxicity, there is still a lot of residue in the environment. Therefore, we reviewed multiple studies concerning the distribution of HBCD in diverse environmental matrices, such as in the air, dust, soil, water, sediment, and biota. Results revealed that HBCD levels in different environments in China present geographical variation and were at a high level compared with other countries. In all environmental media, relatively high HBCD concentrations have been found in industrial and urban areas. Industrialization and urbanization are two important factors that influence the concentration and distribution of HBCD in the environment. In terms of isomer, γ-HBCD was the dominant isomer in soil, water, and sediment, while in the biota α-HBCD was the predominant isomer. Full article
(This article belongs to the Special Issue Environmental Analysis of Organic Pollutants, 2nd Edition)
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20 pages, 3610 KiB  
Review
Research Progress of Methods for Degradation of Bisphenol A
by Ying Han, Hao Dai, Xiaolong Rong, Haixia Jiang and Yingang Xue
Molecules 2023, 28(24), 8028; https://doi.org/10.3390/molecules28248028 - 09 Dec 2023
Cited by 1 | Viewed by 1459
Abstract
Bisphenol A (BPA), an endocrine disruptor widely used in industrial production, is found in various environmental sources. Despite numerous reports on BPA degradation and removal, the details remain unclear. This paper aims to address this gap by providing a comprehensive review of BPA [...] Read more.
Bisphenol A (BPA), an endocrine disruptor widely used in industrial production, is found in various environmental sources. Despite numerous reports on BPA degradation and removal, the details remain unclear. This paper aims to address this gap by providing a comprehensive review of BPA degradation methods, focusing on biological, physical, and chemical treatments and the factors that affect the degradation of BPA. Firstly, the paper uses VOSviewer software (version 1.6.15) to map out the literature on BPA degradation published in the past 20 years, which reveals the trends and research focus in this field. Next, the advantages and limitations of different BPA degradation methods are discussed. Overall, this review highlights the importance of BPA degradation to protect the environment and human health. The paper provides significant insights for researchers and policymakers to develop better approaches for BPA degradation and removal. Full article
(This article belongs to the Special Issue Environmental Analysis of Organic Pollutants, 2nd Edition)
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24 pages, 3711 KiB  
Review
The Removal of Pollutants from Wastewater Using Magnetic Biochar: A Scientometric and Visualization Analysis
by Chenyang Li, Chongbin Zhang, Shuang Zhong, Jing Duan, Ming Li and Yan Shi
Molecules 2023, 28(15), 5840; https://doi.org/10.3390/molecules28155840 - 03 Aug 2023
Cited by 4 | Viewed by 1714
Abstract
In recent years, the use of magnetic biochar in wastewater treatment has shown significant effects and attracted scholars’ attention. However, due to the relatively short research time and the lack of systematic summaries, it is difficult to provide a more in-depth analysis. This [...] Read more.
In recent years, the use of magnetic biochar in wastewater treatment has shown significant effects and attracted scholars’ attention. However, due to the relatively short research time and the lack of systematic summaries, it is difficult to provide a more in-depth analysis. This study utilizes RStudio and CiteSpace software to comprehensively analyze the research trends and progress of magnetic biochar in wastewater treatment. The analysis of bibliometrics is performed on 551 relevant papers retrieved from the Web of Science, spanning the period between 2011 and 2022. The most influential countries, institutions, journals, disciplinary distribution, and top 10 authors and papers in this field have been identified. The latest dataset has been used for keyword clustering and burst analysis. The results indicated that: (1) Bin Gao is the most influential author in this field, and high-level journals such as Bioresource Technology are more inclined to publish articles in the field of magnetic biochar. (2) Research in this field has predominantly focused on the removal of heavy metals and organic compounds. Keyword burst analysis shows a shift in research direction towards the removal of complex organic pollutants recently. (3) For the future development of magnetic biochar, an environment-friendly approach, economic viability, and joint technology are the directions that need more exploration. Finally, this paper provides a summary of the various adsorption mechanisms of magnetic biochar and several common modification methods, aiming to assist scholars in their research endeavors. Full article
(This article belongs to the Special Issue Environmental Analysis of Organic Pollutants, 2nd Edition)
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