Use of Oxalic-Acid-Modified Stellerite for Improving the Filter Capability of PM_2.5 of Paper Composed of Bamboo Residues

Table 4

Effect of different gas flowing velocities on filter performance.

Gas flowing velocities (ms^−1)	0.2	0.4	0.6	0.8
Filtration efficiency (%)

Dosage of stellerite = 9%.