Progress of microplastic pollution control research based on photocatalytic degradation

doi:10.19491/j.issn.1001-9278.2024.12.026

Abstract

Abstract:

The recent advances in the photocatalytic degradation of microplastics are reviewed， including the mechanisms of photocatalytic degradation and the design of catalysts. The important parameters for evaluating the efficiency of photocatalytic degradation and the factors influencing its efficiency are discussed. From the perspective of the aggregation state of microplastics， the reasons for the low degradation efficiency is analyzed. Finally， future research directions of this technology are prospected.

Key words: microplastics, photocatalysis, degradation

CLC Number:

TQ322

LIN Liangbin, ZHOU Weiming, XUE Hun, QIAN Qingrong, YANG Songwei, CAO Changlin, CHEN Qinghua. Progress of microplastic pollution control research based on photocatalytic degradation[J]. China Plastics, 2024, 38(12): 172-178.

Figures/Tables 8

References 52

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微塑料	光源	催化剂	降解率（质量分数）/%	产物	参考文献
高密度聚乙烯（PE⁃HD）	可见光	C，N⁃TiO₂	4.65 ±0.35 ~71.77±1.88	-	［22］
		蛋白质基N⁃TiO₂			［23］
		多孔N–TiO₂			［24］
PET	可见光	MXene/ Z_xC_1⁃xS	-	有机小分子化合物	［25］
PET	AM 1.5	Bi₂O₃@N⁃TiO	10.23±1.91	醛、酯、羧基	［26］
PE⁃LD	可见光	NiAl₂O₄	12.5	二氧化碳、水、甲烷	［27］
		ZnO 纳米棒	-	乙醇、甲烷	［28］
		Pt⁃ZnO	-	-	［18］
PMMA	紫外光	TiO₂–P25	-	-	［20］
PS	紫外光	TiO₂纳米膜	23.50±1.02 ~98.4	二氧化碳，水	［19］
		阳极氧化的 TiO₂			［29］
		Au@Ni@TiO₂			［30］
PP	可见光	ZnO NRs	65	低毒性产物	［21］
PA66	紫外光	TiO₂	97	有机副产物	［31］

微塑料	光源	催化剂	降解率（质量分数）/%	产物	参考文献
高密度聚乙烯（PE⁃HD）	可见光	C，N⁃TiO₂	4.65 ±0.35 ~71.77±1.88	-	［22］
		蛋白质基N⁃TiO₂			［23］
		多孔N–TiO₂			［24］
PET	可见光	MXene/ Z_xC_1⁃xS	-	有机小分子化合物	［25］
PET	AM 1.5	Bi₂O₃@N⁃TiO	10.23±1.91	醛、酯、羧基	［26］
PE⁃LD	可见光	NiAl₂O₄	12.5	二氧化碳、水、甲烷	［27］
		ZnO 纳米棒	-	乙醇、甲烷	［28］
		Pt⁃ZnO	-	-	［18］
PMMA	紫外光	TiO₂–P25	-	-	［20］
PS	紫外光	TiO₂纳米膜	23.50±1.02 ~98.4	二氧化碳，水	［19］
		阳极氧化的 TiO₂			［29］
		Au@Ni@TiO₂			［30］
PP	可见光	ZnO NRs	65	低毒性产物	［21］
PA66	紫外光	TiO₂	97	有机副产物	［31］

评价微塑料降解效率的参数	测量仪器	参考文献
质量损失	电子天平	［44］
颗粒尺寸及形貌	光学显微镜、扫描电子显微镜、透射电子显微镜等	［45］
化学结构	傅里叶红外光谱仪、拉曼光谱等	［46］
晶型	X射线粉末衍射仪、差示扫描量热仪等	［47］
中间产物	气相色谱⁃质谱联用仪等	［48］
羰基指数（CI）	傅里叶红外光谱等	［28］
总有机碳（TOC）	总有机碳分析仪等	［20］

评价微塑料降解效率的参数	测量仪器	参考文献
质量损失	电子天平	［44］
颗粒尺寸及形貌	光学显微镜、扫描电子显微镜、透射电子显微镜等	［45］
化学结构	傅里叶红外光谱仪、拉曼光谱等	［46］
晶型	X射线粉末衍射仪、差示扫描量热仪等	［47］
中间产物	气相色谱⁃质谱联用仪等	［48］
羰基指数（CI）	傅里叶红外光谱等	［28］
总有机碳（TOC）	总有机碳分析仪等	［20］

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