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Microplastics in wastewater treatment plants: Detection, occurrence and removal

Water Research 2019 1846 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 60 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Jing Sun, Bing‐Jie Ni Jing Sun, Bing‐Jie Ni Jing Sun, Jing Sun, Jing Sun, Bing‐Jie Ni Bing‐Jie Ni Xiaohu Dai, Xiaohu Dai, Xiaohu Dai, Xiaohu Dai, Mark C.M. van Loosdrecht, Jing Sun, Bing‐Jie Ni Jing Sun, Bing‐Jie Ni Jing Sun, Jing Sun, Qilin Wang, Bing‐Jie Ni Bing‐Jie Ni Xiaohu Dai, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Qilin Wang, Bing‐Jie Ni Xiaohu Dai, Bing‐Jie Ni Qilin Wang, Bing‐Jie Ni Bing‐Jie Ni Mark C.M. van Loosdrecht, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Xiaohu Dai, Jing Sun, Bing‐Jie Ni Jing Sun, Qilin Wang, Bing‐Jie Ni Xiaohu Dai, Xiaohu Dai, Bing‐Jie Ni Bing‐Jie Ni Xiaohu Dai, Xiaohu Dai, Qilin Wang, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Qilin Wang, Bing‐Jie Ni Xiaohu Dai, Xiaohu Dai, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Jing Sun, Xiaohu Dai, Xiaohu Dai, Bing‐Jie Ni Mark C.M. van Loosdrecht, Jing Sun, Mark C.M. van Loosdrecht, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Qilin Wang, Bing‐Jie Ni Xiaohu Dai, Qilin Wang, Qilin Wang, Xiaohu Dai, Xiaohu Dai, Bing‐Jie Ni Xiaohu Dai, Xiaohu Dai, Qilin Wang, Qilin Wang, Bing‐Jie Ni Bing‐Jie Ni Qilin Wang, Bing‐Jie Ni Qilin Wang, Qilin Wang, Bing‐Jie Ni Xiaohu Dai, Bing‐Jie Ni Jing Sun, Qilin Wang, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni Xiaohu Dai, Bing‐Jie Ni Bing‐Jie Ni Bing‐Jie Ni

Summary

Researchers investigated how polystyrene nanoplastics affect the marine microalga Chaetoceros neogracile and found that exposure reduced growth and photosynthetic activity. The nanoplastics physically attached to the algal cells and triggered oxidative stress, suggesting they can interfere with the base of the marine food web. The study raises concerns that nanoplastic pollution could have cascading effects on ocean ecosystems by harming the tiny organisms that produce much of the world's oxygen.

Study Type Environmental

Microplastics have aroused increasing concern as they pose threats to aquatic species as well as human beings. They do not only contribute to accumulation of plastics in the environment, but due to absorption they can also contribute to spreading of micropollutants in the environment. Studies indicated that wastewater treatment plants (WWTPs) play an important role in releasing microplastics to the environment. Therefore, effective detection of the microplastics and understanding their occurrence and fate in WWTPs are of great importance towards microplastics control. In this review, the up-to-date status on the detection, occurrence and removal of microplastics in WWTPs are comprehensively reviewed. Specifically, the different techniques used for collecting microplastics from both wastewater and sewage sludge, and their pretreatment and characterization methods are reviewed and analyzed. The key aspects regarding microplastics occurrence in WWTPs, such as concentrations, total discharges, materials, shapes and sizes are summarized and compared. Microplastics removal in different treatment stages and their retention in sewage sludge are explored. The development of potential microplastics-targeted treatment technologies is also presented. Although previous researches in microplastics have undoubtedly improved our level of understanding, it is clear that much remains to be learned about microplastics in WWTPs, as many unanswered questions and thereby concerns still remain; some of these important future research areas are outlined. The key challenges appear to be to harmonize detection methods as well as microplastics mitigation from wastewater and sewage sludge.

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