Distribution and removal of microplastics in a horizontal sub-surface flow laboratory constructed wetland and their effects on the treatment efficiency

Chemical Engineering Journal, Год журнала: 2023, Номер 461, С. 142076 - 142076

Опубликована: Фев. 22, 2023

Constructed wetlands are commonly used to treat domestic wastewater, but the extent which microplastics retained in constructed and impact this has on their efficiency not known. In context, we investigated retention of (microbeads fibres) effects removal carbonaceous (expressed as chemical oxygen demand (COD), biochemical (BOD5), dissolved organic carbon (DOC)), nitrogenous (N-NH4+, N-NO3-, N-NO2-), phosphorous (P-PO43-) matters a horizontal sub-surface flow laboratory wetland (LCW) under continuous flow. The LCW was operation for 257 days, with first 78 days without added weekly during next 179 days. presence had no significant effect COD, BOD5, DOC, N-NH4+, N-NO3- removal, while statistically decrease N-NO2- an increase P-PO43- concentrations effluent were observed after addition microplastics. Microplastics efficiently LCW, only 0.296% 0.003% total microbeads fibres, respectively, detected effluent. Thus, it is evident that effective barrier release into aquatic environment, high thus accumulation may alter nutrient cycling wetlands.

Язык: Английский

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Impacts of Biofilm Formation on the Physicochemical Properties and Toxicity of Microplastics: A Concise Review

Reviews of Environmental Contamination and Toxicology, Год журнала: 2023, Номер 261(1)

Опубликована: Май 12, 2023

Язык: Английский

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Micro and nanoplastics ravaging our agroecosystem: A review of occurrence, fate, ecological impacts, detection, remediation, and prospects

Heliyon, Год журнала: 2023, Номер 9(2), С. e13296 - e13296

Опубликована: Фев. 1, 2023

Micro-and nanoplastics (MNPs) are particles that smaller than a millimeter in size and have infiltrated both terrestrial aquatic ecosystems. MNPs pollution become widespread problem causing severe adverse effects on human health the environment worldwide. Once environment, these polymers not easily degradable due to their recalcitrant nature small consumed by organisms transported through food chain, at great risk health. Substantial evidence demonstrates negative of residues organisms' reproductive developmental defects. Similarly, soil flora, quality, plant height been severely impacted presence agroecosystem. This is evident inhibition water absorption blocked seed pores, delayed germination, dramatic decline transpiration rates growth roots, inevitably leading drop biomass crop production, posing an overall threat global security. In this review, we present impact agroecosystems around globe, including sources, occurrence, distribution, transport, ultimate fate. We recommend using bio-based plastics, eco-friendly remediation strategies, reformed agricultural practices, non-single-use synthetic plastic legislation, increased waste disposal awareness campaigns as effective tools mitigate problem.

Язык: Английский

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Removal of micro/nanoplastics in constructed wetland: Efficiency, limitations and perspectives

Chemical Engineering Journal, Год журнала: 2023, Номер 475, С. 146033 - 146033

Опубликована: Сен. 13, 2023

Язык: Английский

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Impact of aged and virgin microplastics on sedimentary nitrogen cycling and microbial ecosystems in estuaries

The Science of The Total Environment, Год журнала: 2023, Номер 878, С. 162977 - 162977

Опубликована: Март 22, 2023

Язык: Английский

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