Microplastics toxicity, detection, and removal from water/wastewater

Adegoke, Kayode Adesina; Adu, Folasade Abimbola.; Oyebamiji, Abel Kolawole; Bamisaye, Abayomi; Adigun, Rasheed Adewale; Olasoji, Samuel O.; Ogunjinmi, Oluwasayo Esther

doi:10.1016/j.marpolbul.2022.114546

Cited by 31 publications

(7 citation statements)

References 222 publications

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“…Figure 2 c shows the flocs that contain microalgae and MPs after the elimination process. The entanglement and accumulation of MPs and algae are clearly visible, indicating the adsorption and bridging of MPs by algae cells 44 . The interaction between the pores and gaps found in algae particles and the uneven surface of MPs leads to the formation of large flocs.…”

Section: Resultsmentioning

confidence: 99%

Using Spirulina platensis as a natural biocoagulant for polystyrene removal from aqueous medium: performance, optimization, and modeling

Eydi Gabrabad,

Yari,

Bonyadi

2024

Sci Rep

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Microplastics (MPs) are newly recognized contaminants that result from the breakdown of plastics released into aquatic environments. This study focuses on the elimination of polystyrene (PS) using S. platensis, a natural biocoagulant, from aqueous solutions. The research investigated several crucial variables, including the initial level of PS ranging from 100 to 900 mg L−1, pH levels from 4 to 10, the contact time of 20–40 min, and doses of S. platensis ranging from 50 to 250 mg L−1. The analysis of the data revealed that the quadratic model offered the best fit for the experimental results. In the present study, we utilized S. platensis as a novel natural biocoagulant to effectively eliminate PS from aqueous solutions. Process optimization was performed using a Box–Behnken design (BBD). The best-fitting model for the data was the quadratic model. The results displayed that the highest elimination of PS (81%) was occurred at a pH of 4, with a contact time of 30 min, a dose of S. platensis at 250 mg L−1, and a PS concentration of 500 mg L−1. These findings show that S. platensis has a significant effect on removing PS from the aquatic environment. Algae can serve as a convenient and eco-friendly method, replacing chemical coagulants, to effectively remove MPs from the aquatic environment.

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Section: Resultsmentioning

confidence: 99%

Using Spirulina platensis as a natural biocoagulant for polystyrene removal from aqueous medium: performance, optimization, and modeling

Eydi Gabrabad,

Yari,

Bonyadi

2024

Sci Rep

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“…In both raw water and treated water in wastewater treatment plants (WWTPs), microplastic quantification indicated high concentrations suggesting that even after the treatment process, treated water can contain a significant amount of microplastics that can reach terrestrial environments and contaminate soil and water. Some gaps and challenges relating to technologies and analytical techniques for plastics detection, extraction and removal have been reported in numerous studies [48,[59][60][61][62][63].…”

Section: Microplastics In Wastewater Treatment Plant (Wwtp)mentioning

confidence: 99%

Analytical Review of Microplastics Occurrence in Bottled Water, Tap Water, and Wastewater Treatment Plants

Mejjad,

Laissaoui,

Ait Bouh

et al. 2024

E3S Web Conf.

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Currently, water availability and accessibility have become more challenging due to population growth, development of industrial and agricultural activities, and the effects of climate change. Various types of pollutants released by human activities threaten water quality and availability. Microplastics and emerging contaminants are currently affecting water resources and posing a risk to human health. The present study reviews the available studies that analyzed the abundance, shape, and size of microplastics in water, including glass, plastic, reusable, recyclable, and beverage bottled water, tap water, and wastewater treatment plant (WWTP) influent and effluent. Analysis of the collected data allowed comparison of microplastic abundance in different packaging water bottles, tap water, and raw and treated water from WWTPs. The analysis results suggest that microplastics in drinking water are mainly associated with water sources. Therefore, more attention should be paid to water treatment and purification processes and technologies. The type of packaging is also a crucial parameter to consider when quantifying microplastics in drinking water, although the use of glass bottles is recommended to minimize the potential associated risk to humans and ensure safe consumption. Increasing public awareness and knowledge about waste separation, the potential risks of microplastics to human health, and the urgent need for behavioral change in the management of waste, mainly plastic objects, remain the main keys to reducing the number of plastics entering our environment and our bodies.

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“…As mentioned, a range of techniques have been proposed for the removal of MPs from water and wastewater, however, these methods can be expensive and may not be effective in removing MPs, especially smaller particles [72]. Recently, new methods based on adsorbents such as MOFs are presented for removing MPs from an aqueous environment [73]. One of the significant advantages of using MOFs for MP removal is their high selectivity toward these particles.…”

Section: Application Of Mofs For Removal Of Mps From Water and Wastew...mentioning

confidence: 99%

“…Sedimentation can be less effective for MPs removal. Chemical treatments can be highly effective but can produce hazardous waste and harm the environment [35,[73][74][75][76].…”

Section: Application Of Mofs For Removal Of Mps From Water and Wastew...mentioning

confidence: 99%

Microplastics removal from aqueous environment by metal organic frameworks

Honarmandrad,

Kaykhaii,

Gębicki

2023

BMC Chemistry

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This paper provides an overview of recent research performed on the applications of metal–organic frameworks (MOFs) for microplastics (MPs) removal from aqueous environments. MPs pollution has become a major environmental concern due to its negative impacts on aquatic ecosystems and human health. Therefore, developing effective and sustainable methods for removing them from aqueous environments is crucial. In recent years, MOFs have emerged as a promising solution for this purpose due to their unique properties such as high surface area, renewability, chemical stability, and versatility. Moreover, their specific properties such as their pore size and chemical composition can be tailored to enhance their efficiency in removing MPs. It has been shown that MOFs can effectively adsorb MPs from aqueous media in the range of 70–99.9%. Besides some high price concerns, the main drawback of using MOFs is their powder form which can pose challenges due to their instability. This can be addressed by supporting MOFs on other substrates such as aerogels or foams. Meanwhile, there is a need for more research to investigate the long-term stability of MOFs in aqueous environments and developing efficient regeneration methods for their repeated use.

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Microplastics toxicity, detection, and removal from water/wastewater

Cited by 31 publications

References 222 publications

Using Spirulina platensis as a natural biocoagulant for polystyrene removal from aqueous medium: performance, optimization, and modeling

Using Spirulina platensis as a natural biocoagulant for polystyrene removal from aqueous medium: performance, optimization, and modeling

Analytical Review of Microplastics Occurrence in Bottled Water, Tap Water, and Wastewater Treatment Plants

Microplastics removal from aqueous environment by metal organic frameworks

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