Fenton aging significantly affects the heavy metal adsorption capacity of polystyrene microplastics

Lang, Mengfan; Yu, Xueyang; Liu, Jiaheng; Xia, Tianjiao; Wang, Tiecheng; Jia, Hanzhong; Guo, Xuetao

doi:10.1016/j.scitotenv.2020.137762

Cited by 219 publications

(40 citation statements)

References 44 publications

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“…Aging, whether with UV irradiation or with aging agents such as H 2 O 2 and Fenton, can increase the adsorption capacity of MPs for heavy metals (Wang et al, 2019a). This observation was consistent across different studies (Mao et al, 2020;Lang et al, 2020;. The mechanism for enhanced adsorption may be due to the increase of specific surface area and oxygen-containing functional groups after aging.…”

Section: Bibliometric Analysissupporting

confidence: 73%

Interactions Between Microplastics and Heavy Metals in Aquatic Environments: A Review

et al. 2021

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Microplastics (MPs), tiny particles broken down from larger pieces of plastics, have accumulated everywhere on the earth. As an inert carbon stream in aquatic environment, they have been reported as carriers for heavy metals and exhibit diverse interactive effects. However, these interactions are still poorly understood, especially mechanisms driving these interactions and how they pose risks on living organisms. In this mini review, a bibliometric analysis in this field was conducted and then the mechanisms driving these interactions were examined, especially emphasizing the important roles of microorganisms on the interactions. Their combined toxic effects and the potential hazards to human health were also discussed. Finally, the future research directions in this field were suggested. This review summarized the recent research progress in this field and highlighted the essential roles of the microbes on the interactions between MPs and heavy metals with the hope to promote more studies to unveil action mechanisms and reduce/eliminate the risks associated with MP presence.

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Section: Bibliometric Analysissupporting

confidence: 73%

Interactions Between Microplastics and Heavy Metals in Aquatic Environments: A Review

et al. 2021

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“…There are also other techniques, such as thermal and mechanical-chemical degradation, ozone degradation, catalytic degradation and biodegradation. Partial change in their chemical structure, surface aging, weathering, surface properties change and loss of molecular weight have been proved, but complete removal via degradation is still a subject of research [45,[55][56][57][58]. The first study on the complete mineralization of polystyrene microparticles appeared very recently, thus potential for their complete removal from water exists.…”

Section: Degradationmentioning

confidence: 99%

Notes on Common Misconceptions in Microplastics Removal from Water

et al. 2021

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Occurrence of microplastics in the environment has become a serious problem with too many variables and unknowns regarding their relationship not only with human health but also with other parts of the environment. The toxic and ecotoxic properties are still a subject of interest and the scientific attitude to their threat is not unified. There are numerous review papers which report on microplastic particles occurrence in water, but similarly complex reviews on methods of their removal are not that frequent. This paper aims to provide a brief overview summarizing the most tested methods of microplastics removal and intends to critically evaluate them accordingly and advert to their discrepancies.

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“…Furthermore, researchers have found that microplastics could serve as the carrier for many other contaminants such as heavy metals and antibiotics (Zhou et al 2019 ; Purwiyanto et al 2020 ; Yu et al 2020b ). Studies reveal that the ability to absorb heavy metals increase as the microplastics age (Lang et al 2020 ). As a result, the risks of microplastics on environment, food safety, and human health could be significantly increased.…”

Section: Emerging Studies On Environment and Food Safetymentioning

confidence: 99%

Environment and food safety: a novel integrative review

Jiang

Wang

et al. 2021

Environ Sci Pollut Res

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Environment protection and food safety are two critical issues in the world. In this review, a novel approach which integrates statistical study and subjective discussion was adopted to review recent advances on environment and food safety. Firstly, a scientometric-based statistical study was conducted based on 4904 publications collected from the Web of Science Core Collection database. It was found that the research on environment and food safety was growing steadily from 2001 to 2020. Interestingly, the statistical analysis of most-cited papers, titles, abstracts, keywords, and research areas revealed that the research on environment and food safety was diverse and multidisciplinary. In addition to the scientometric study, strategies to protect environment and ensure food safety were critically discussed, followed by a discussion on the emerging research topics, including emerging contaminates (e.g., microplastics), rapid detection of contaminants (e.g., biosensors), and environment friendly food packaging materials (e.g., biodegradable polymers). Finally, current challenges and future research directions were proposed. Supplementary Information The online version contains supplementary material available at 10.1007/s11356-021-16069-6.

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Fenton aging significantly affects the heavy metal adsorption capacity of polystyrene microplastics

Cited by 219 publications

References 44 publications

Interactions Between Microplastics and Heavy Metals in Aquatic Environments: A Review

Interactions Between Microplastics and Heavy Metals in Aquatic Environments: A Review

Notes on Common Misconceptions in Microplastics Removal from Water

Environment and food safety: a novel integrative review

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