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Sorption and desorption of phenanthrene on biodegradable poly(butylene adipate co-terephtalate) microplastics

Chemosphere 2018 301 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Linzi Zuo, Linzi Zuo, Linzi Zuo, Hengxiang Li, Lang Lin, Lang Lin, Linzi Zuo, Linzi Zuo, Lang Lin, Shan Liu, Linzi Zuo, Xiang‐Rong Xu Lang Lin, Lang Lin, Hengxiang Li, Xiang‐Rong Xu Lang Lin, Lang Lin, Linzi Zuo, Xiang‐Rong Xu Lang Lin, Shan Liu, Linzi Zuo, Hengxiang Li, Hengxiang Li, Lang Lin, Hengxiang Li, Lang Lin, Yuxin Sun, Shan Liu, Hengxiang Li, Hengxiang Li, Hengxiang Li, Lang Lin, Hengxiang Li, Yuxin Sun, Lang Lin, Yuxin Sun, Hengxiang Li, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hengxiang Li, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Lang Lin, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Lang Lin, Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Hengxiang Li, Lang Lin, Lang Lin, Yuxin Sun, Lang Lin, Lang Lin, Lang Lin, Shan Liu, Lang Lin, Lang Lin, Lang Lin, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Xiang‐Rong Xu Hengxiang Li, Lang Lin, Lang Lin, Hengxiang Li, Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Shan Liu, Hengxiang Li, Hengxiang Li, Shan Liu, Lang Lin, Hengxiang Li, Lang Lin, Lang Lin, Lang Lin, Zeng-Hui Diao, Xiang‐Rong Xu Shan Liu, Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Hengxiang Li, Shan Liu, Lang Lin, Lang Lin, Hengxiang Li, Xiang‐Rong Xu Shan Liu, Hengxiang Li, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hengxiang Li, Hengxiang Li, Xiang‐Rong Xu Xiang‐Rong Xu Shan Liu, Shan Liu, Shan Liu, Shan Liu, Shan Liu, Shan Liu, Zongyao Zhang, Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Zongyao Zhang, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Linzi Zuo, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Linzi Zuo, Linzi Zuo, Linzi Zuo, Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu

Summary

This study investigated how the biodegradable plastic PBAT sorbs and desorbs the organic contaminant phenanthrene, finding that PBAT had relatively low sorption capacity compared to conventional plastics and that desorption was rapid. The results suggest biodegradable plastics may pose a lower vector risk for hydrophobic organic contaminants than conventional microplastics.

Polymers

Biodegradable plastics, as alternatives to conventional plastics, are increasingly used, but their interactions with organic pollutants are still unknown. In this study, the sorption and desorption behaviors on a type of biodegradable plastic-poly(butylene adipate co-terephtalate) (PBAT) were investigated, and at the same time two types of conventional plastics-polyethylene (PE and PE) and polystyrene (PS) were used for comparison. Phenanthrene (PHEN) was chosen as one of representative organic pollutants. Results indicated that the sorption and desorption capacities of PBAT were not only higher than those of the other types of microplastics, but also higher than those of carbonaceous geosorbents. The surface area normalized results illustrated that sorption and desorption of the microplastics were positively correlated with their abundance of rubbery subfraction. The sorption kinetic results showed that the sorption rates of PBAT and PE were higher than PE and PS. The effects of water chemistry factors including salinity, dissolved organic matter and Cu ion on the sorption process displayed the same trend, but the degrees of influence on the four microplastics differed. The degrees of influence were mainly dependent on the abundance of rubbery subfraction for microplastics. These findings indicate that the biodegradable poly(butylene adipate co-terephtalate) microplastics are actually stronger vectors than the conventional microplastics, and crystallization characteristics of the microplastics have great influences on the vector effect.

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