微塑料吸附水环境中重金属的研究进展
张皓, 刘海成, 陈国栋, 孟无霜, 尤雨, 曹梦茹

Recent advances on adsorption of heavy metals in water environment by microplastics
Hao ZHANG, Haicheng LIU, Guodong CHEN, Wushuang MENG, Yu YOU, Mengru CAO
表1 不同种类微塑料的基本物理性质及其对重金属的吸附能力
Table 1 Basic physical properties of different types of microplastics and their adsorption capacity for heavy metals
微塑料种类预处理方法结晶度/%粒径/μm目标污染物污染物初始质量浓度pH最大吸附量文献
PS球磨8 h3.710~100As(Ⅲ)50 mg/L< 71.12 mg/g12
PE均匀混合并放入紫外消毒过滤后的海水中吸附32~75

109Cd,134Cs,

65Zn

10 kBq/L

109Cd:(17.8±8.5) Bq/L,

134Cs:(2.5±0.47) Bq/L,

65Zn:(41.16 ± 4.09) Bq/L

13
PE清洗干燥后加入表面活性剂SDBS80177~250Cr(Ⅵ)100 mg/L0.39~1.36 mg/g14
PE、PP、PS、PVC和PLA10%盐酸清洗并风干150Cd100 μg/L7.0

PE:1.79 mg/g,

PP:1.38 mg/g,

PS:1.66 mg/g,

PVC:0.92 mg/g,

PLA:2.41 mg/g

15
PLA生物膜附着45~6075~150Cu8 mg/L5.51 045.670 μg/g16
PVC紫外老化5~1075Cu,Cr10 mg/L

Cu:2.89 mg/g

Cr:0.01 mg/g

17
PS紫外老化3.775Cu,Cr10 mg/L

Cu:3.49 mg/g

Cr:0.013 mg/g

17
PVC清洗干燥5~1075~100Pb25 mg/L6.0483.1 μg/g18
PE清洗干燥7075~100Pb25 mg/L6.0416.7 μg/g18
PS清洗干燥3.775~100Pb25 mg/L6.0128.5 μg/g18
PS清洗干燥并投入人工海水模拟吸附3.725Cu0.5 mg/L70.137 mg/g19
PET清洗干燥并投入人工海水模拟吸附0.525Cu0.5 mg/L70.144 mg/g19
PA超声清洗30~402 000Pb8 mg/L51.038 9 mg/g20