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Article
Environmental Sciences
Yulinah Trihadiningrum et al.
Summary: About 80-90 tons of municipal solid waste (MSW) in Mojokerto City, Indonesia, is disposed of into Randegan landfill daily. The research aims to determine the presence of microplastics (MPs) in the leachate of the landfill, its characteristics, and the removal efficiency of the leachate treatment plant (LTP). The average MP abundance in the raw leachate was 9.00 +/- 0.85 particles/L, with fiber shape dominating (64.44 %). The LTP achieved a MP removal efficiency of 75.6 %, but residual fiber-shaped MPs were still present in the effluent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Green & Sustainable Science & Technology
Anastasiia Sholokhova et al.
Summary: Almost 25% of plastic produced in Europe ends up in landfills, leading to the accumulation of microplastics. In a study of a landfill in Lithuania, microplastic abundance was found to increase with landfill age and depth. Polyethylene and polypropylene were the dominant polymer types, and films were the dominant shape. The analysis showed intensive degradation of microplastics in the landfill, making it a significant reservoir and potential source of microplastics.
Review
Soil Science
Babar Iqbal et al.
Summary: This study reviews the impacts of microplastics (MPs) on crops, both direct and indirect, as well as their combined effects with other pollutants. The findings suggest that MPs inhibit water and nutrient uptake, cause oxidative damage and disruption of metabolic activities in crops. Chemical additives released from MPs also induce cytotoxicity and genotoxicity. MPs also alter the soil environment, affecting water and nutrient availability for crops. Combined toxicity of MPs and other common soil pollutants have adverse effects on crops.
APPLIED SOIL ECOLOGY
(2023)
Article
Environmental Sciences
Sabiha Mehmood et al.
Summary: Vast amounts of plastic waste are causing serious environmental issues. This study investigated the role of inorganic, organic, and biological soil amendments on the degradation of Polyethylene (PE) and the growth of lettuce plants. The results showed that bacteria and starch could effectively degrade pre-treated PE.
ENVIRONMENTAL RESEARCH
(2023)
Article
Engineering, Environmental
Maocai Shen et al.
Summary: This study investigated the removal performance, mechanism, and influencing factors of microplastics in wastewater treatment by electrocoagulation (EC). It was found that aluminum anode EC is an effective method to remove microplastics with a removal rate above 80%. The efficiency of microplastic removal by EC is influenced by electrolyte concentration and applied voltage density, with flocculation and charge neutralization occurring simultaneously during the process.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Environmental Sciences
Adithya Sridhar et al.
Summary: Microplastics as contaminants in the ecosystem pose a threat to marine life and human health through food contamination. This review focuses on separation and identification technologies for extraction and detection of microplastics in food and marine ecosystems, emphasizing the use of emerging techniques for efficient and harmless detection.
Article
Environmental Sciences
Yong Wan et al.
Summary: This study investigates the characteristics of microplastic pollution in an informal landfill in South China. The results indicate that a large amount of microplastics are present in the landfill refuse and underlying soil, with most of them being fibrous, small sized, and transparent. The microplastics detected in the landfill leachate and groundwater are even smaller and more diverse in polymer types. The study demonstrates that microplastics from informal landfills can leak out to the surrounding environment.
ENVIRONMENTAL POLLUTION
(2022)
Article
Green & Sustainable Science & Technology
Yanping Tan et al.
Summary: Microplastics (MPs) entering aquatic environments from non-point sources are difficult to manage and have received global attention. This article reviews the detection methods, characteristics, abundances, and removal methods of non-point source MPs in aquatic environments. The lack of reliable and uniform detection methods is a major challenge. Constructed wetlands (CWs) have been proposed as a sustainable and efficient treatment technology for removing non-point source MPs. Fibers, fragments, and films are the dominant shapes of non-point source MPs, with polyethylene, polypropylene, polyethylene terephthalate, and polystyrene as the main polymer types. Precipitation, filtration, and ingestion are the main removal methods in CWs. The removal efficiency of fibers in CWs is relatively lower compared to other shapes. Vegetation and organisms in CWs can enhance the removal efficiency of MPs and prevent substrate clogging. Future research should focus on standardization and the development of efficient treatment materials.
JOURNAL OF CLEANER PRODUCTION
(2022)
Review
Environmental Sciences
Isabella Gambino et al.
Summary: A narrative review was conducted to describe the current understanding of microplastic presence in drinking water. The 21 reviewed studies revealed the presence of microplastics in tap and bottled water, raising concerns about potential toxicity. The concentration of microplastics increased with decreasing particle size and was higher in bottled water. Drinking water treatment plants showed a high removal rate of microplastics. This evidence suggests that consumers should opt for tap water over bottled water to reduce exposure to microplastics and minimize plastic waste. The high variability among study results highlights the need for a globally shared protocol to harmonize findings.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2022)
Article
Environmental Sciences
Rakesh Kumar et al.
Summary: This paper highlights the widespread distribution of microplastics and nanoplastics in different ecosystems, and their potential impact on ecosystems and human health. Humans are exposed to these plastic particles through various pathways, such as tap water, food, and air, which can pose health risks to respiratory, immune, reproductive, and digestive systems.
Article
Environmental Sciences
Fei Yu et al.
Summary: This study investigated waste plastics with landfill age ranging from 7 to 30 years, revealing that PE and PP are the most common types, and their chemical composition has changed, while crystallinity is affected by plastic type and landfill age.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Yuet-Tung Tse et al.
Summary: Human exposure to microplastics (MPs) through drinking water has raised serious concerns due to potential adverse health effects. Previous studies mainly focused on large MPs in drinking water, while little is known about the abundance of small MPs. This study quantified MPs in bottled water using fluorescence microscopy and flow cytometry, and found variations in MPs abundance among different brands of bottled water. Furthermore, the MPs content in tap water was lower compared to bottled water.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2022)
Review
Environmental Sciences
Sarawut Sangkham et al.
Summary: Microplastics and nanoplastics are emerging environmental pollutants that pose significant ecotoxicological concerns to humans and aquatic animals. However, there is still limited knowledge about the exposure routes and toxic effects of these particles on animal and human health. This review focuses on the potential exposure routes, human health impacts, and toxicity responses of microplastics/nanoplastics, based on studies conducted in vitro and in vivo experiments. It highlights ingestion, inhalation, and dermal contacts as major exposure routes, and identifies oxidative stress, cytotoxicity, DNA damage, inflammation, immune response, neurotoxicity, and metabolic disruption as serious health consequences.
MARINE POLLUTION BULLETIN
(2022)
Review
Chemistry, Physical
Lalit Ranakoti et al.
Summary: This article discusses the physical and mechanical properties of PLA, explores the fabrication processes of PLA-based composites, and presents various applications of PLA.
Article
Environmental Sciences
Maocai Shen et al.
Summary: This paper provides a systematic summary of the occurrence of plastics, microplastics, and nanoplastics in landfill leachate and their interaction with other pollutants. It discusses the potential risks posed by microplastics in leachate, as well as the different technologies used for leachate treatment. The paper also highlights the limitations and challenges of existing microplastic removal techniques and calls for the development of new technologies to address this issue. This study serves as a scientific basis for further research on the fate of microplastics in landfill and leachate.
Article
Environmental Sciences
Azam Mohammadi et al.
Summary: Plastic wastes are commonly disposed in landfills, and landfill leachate serves as a significant source of microplastics and phthalate esters. This study provides the first information on the levels of microplastics and phthalate esters in the fresh landfill leachate of Bushehr port during different seasons. The results show seasonal variations in the levels of microplastics and phthalate esters, with potential environmental hazards.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Qiujie Huang et al.
Summary: Landfills are the main sources of plastic pollution in the anthropogenic terrestrial system. This study investigates the dynamic process of microplastic (MPs) generation in a partitioned landfill with disposal ages recorded for over 30 years. The study reveals that MPs exponentially increase with disposal age, and different polymer types have varying generation rates. Environmental oxidation and microbial degradation also play important roles in the fragmentation and degradation of plastic waste.
Review
Engineering, Environmental
Chunhui Wang et al.
Summary: Microplastics, small plastic particles less than 5 mm in size, have attracted increasing global attention due to their widespread distribution in various environmental compartments. Studies show that the sources of microplastics are diverse, and their presence and impacts in the environment are influenced by multiple factors. Research gaps exist in quantitatively analyzing different exposure routes of microplastics and their toxicity to organisms. Further efforts are needed to focus on the occurrence and fate of microplastics in terrestrial environments, especially in the atmosphere and soil, as well as investigating the toxicity mechanisms of microplastics.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Environmental Sciences
Kai Zhang et al.
Summary: Plastic waste pollution is a global issue that poses a potential threat to ecosystems and human health, but knowledge on plastic environmental degradation and microplastic formation is still limited. Future research should further study the key factors influencing plastic degradation to predict the fate of plastics in different environments.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Nurhasanah et al.
Summary: This study identified the presence of micro- and mesoplastics in leachate from the Galuga landfill, with a significant daily release of plastic particles into the aquatic environment. The main chemical compositions were polyethylene, polypropylene, polystyrene, polyester, and cellophane. These findings contribute to the understanding of small-sized plastic debris in aquatic environments.
MARINE POLLUTION BULLETIN
(2021)
Review
Environmental Sciences
Ayodeji Amobonye et al.
Summary: Plastic waste poses a serious threat to the environment, causing pollution, climate change, and disruption to aquatic ecosystems. Recent research has shifted focus to the potential of biological degradation of plastics, examining the roles of microorganisms and enzymes in this process.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Zhongjian Zhang et al.
Summary: This study investigated the removal efficiency and characteristics of microplastics (MPs) in leachate treatment system. The results showed that 58.33% of MPs were removed during the treatment process, with Ultrafiltration having the highest efficiency. Fiber MPs had lower removal efficiency compared to particle MPs, and most removed MPs accumulated in sludge.
Article
Engineering, Environmental
Jing Sun et al.
Summary: Microplastics pose potential environmental risks, with a high concentration found in landfill leachate, especially in tiny particles. Membrane treatment effectively reduces microplastics loading but may also generate and release tiny microplastics.
Review
Engineering, Environmental
Mihir Tanay Das et al.
Summary: Phthalates, used as plasticizers, pose potential risks to human health and the environment, leading to a growing concern in recent years. Researchers aim to understand the pollution status, sources, health impacts of phthalates, as well as develop technologies to mitigate the risks associated with phthalate contamination.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Biotechnology & Applied Microbiology
Aneta K. Urbanek et al.
Summary: The global production of PET is estimated to reach 87.16 million metric tons by 2022, with a significant portion accumulating in the environment as waste. Genetically modified microorganisms have become a promising alternative for the degradation of PET to address the issue of uncontrolled pollution. Studies have focused on improving microbial capacity for PET degradation through metabolic and protein engineering, particularly targeting enzymes like PETase, MHETase, and cutinase.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2021)
Article
Environmental Sciences
Maocai Shen et al.
Summary: Investigation of microplastics and heavy metals in the fly ash, bottom ash and soil samples from a waste incinerate plant revealed the presence of high abundance of microplastics, with heavy metals adsorbed on their surfaces. The column test showed that these pollutants can be significantly dissolved out under external precipitation, leading to potential environmental impacts. This study provides a theoretical basis for further research on the proper treatment of waste ash and its environmental behavior.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Qintong Wang et al.
Summary: The study investigated the influence of biofilm, media type, and earthworms on the fate and removal of microplastics in constructed wetlands. It was found that biofilm, media type, and earthworms have some effects on the removal efficiency and distribution of microplastics in VFCWs. However, the impact of media grain size and earthworm presence on the removal efficiency of microplastics was minimal, while their effect on distribution was significant.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Review
Engineering, Environmental
Sandeep K. Malyan et al.
Summary: Constructed wetland systems are engineered to mimic natural wetlands in treating wastewater from various pollution sources, with various physical, chemical, and biological processes influencing pollutant removal efficiency. Different plant species and hybrid systems can enhance nutrient and pollutant removal. Further research on innovative components and factors is needed for sustaining long-term pollutant removal in constructed wetlands.
WATER ENVIRONMENT RESEARCH
(2021)
Article
Environmental Sciences
Javier Bayo et al.
Review
Engineering, Environmental
Qun Zhang et al.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2020)
Article
Multidisciplinary Sciences
Jangsun Hwang et al.
SCIENTIFIC REPORTS
(2020)
Review
Food Science & Technology
Sunil Ghatge et al.
APPLIED BIOLOGICAL CHEMISTRY
(2020)
Article
Environmental Sciences
Ziqian Xu et al.
SCIENCE OF THE TOTAL ENVIRONMENT
(2020)
Review
Polymer Science
Muhammad Sohail Zafar
Article
Engineering, Environmental
Pinjing He et al.
Article
Engineering, Environmental
Yinglong Su et al.
Article
Biotechnology & Applied Microbiology
Ali Farzi et al.
BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY
(2019)
Review
Environmental Sciences
Shahabaldin Rezania et al.
MARINE POLLUTION BULLETIN
(2018)
Review
Construction & Building Technology
H. M. C. C. Somarathna et al.
CONSTRUCTION AND BUILDING MATERIALS
(2018)
Review
Chemistry, Multidisciplinary
Sourbh Thakur et al.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2018)
Article
Multidisciplinary Sciences
Roland Geyer et al.
Article
Multidisciplinary Sciences
Gavin O. Jones et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2016)
Article
Polymer Science
Jeffrey J. Kolstad et al.
POLYMER DEGRADATION AND STABILITY
(2012)
Review
Polymer Science
Jose M. Garcia et al.
PROGRESS IN POLYMER SCIENCE
(2010)
Review
Biochemical Research Methods
Yun Chen et al.
