Table 4 Comparison of filtration efficiency and permeability between base PTFE and catalyst-loaded PTFE.

From: Application of PTFE composite catalytic filter material in synergistic purification of multiple pollutants in waste incineration flue gas

Characteristic indicator

Base PTFE material

VMo/CeTi-PTFE Composite catalytic filtration material

Change description

Fiber structure integrity

Intact Fiber Network

Partially Shielded

Catalyst coating does not significantly alter the original fiber structure

Filtration efficiency (%)

 > 99.97

 > 99.97

Maintains high filtration efficiency, unaffected by catalyst coating

N2 Yield (%) under Harsh Conditions (200 ppm SO2 and 10% H2O)

80

97

Enhanced resistance to environmental conditions

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