Exploration of PM2.5 filtration property of filter bag for environment protection

3rd International Conference on Advances in Energy, Environment and Chemical Engineering

能源学;生态环境科学;化学工业

Zhu, Ruitian^1 ; Zheng, Jinwei^1 ; Ni, Bingxuan^1 ; Zhang, Peng^1

Guangzhou Fibre Product Testing and Research Institute, Guangzhou

511447, China^1

关键词: Environment protection;    Filtration efficiency;    Fine particles;    Needle-punched nonwoven;    Polyphenylene sulfides;    Residual pressures;    Testing process;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/69/1/012040/pdf
DOI  :  10.1088/1755-1315/69/1/012040

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

In this paper, filter bag of polyphenylene sulfide (PPS) needle punched nonwoven for environment protection was investigated. The results showed that air permeability of sample was linear rise with the increase of the pressure drop. During the testing process, the residual pressure drop rose with the increase of cycles because of test dust attaching on the surface of the filter. The PM2.5filtration efficiency was obtained of 99.854%, which was smaller than the dust filtration efficiency of 99.971% because of the fine particles taking larger proportion of the dust through the sample. Results show that this method of evaluating the PM2.5filtration property is feasible.