Filter Bag Media: PPS
Article
Industry Use
PPS, also otherwise known by the proprietary name Ryton© or Procon©, is a filter bag media that is commonly used in dust collection applications where excellent resistance to acids and alkaline is required. Carbon black, chemicals, and cement applications are a few industries that frequently utilize PPS filter bags.
Dust Collection Characteristics
PPS is used in dust collection applications for asphalt plants, cement mills, incinerators, and coal fired boilers. PPS filter media has the ability to capture fine, powdery, and sometimes abrasive dust. It is commonly available in weights of 16 and 18 ounces. Below are more PPS characteristics.
| Characteristic | Rating |
|---|---|
| Relative Cost | $$$$$ |
| Max Continuous Operating Temperature | 375 Degrees F. |
| Abrasion | Good |
| Energy Absorption | Good |
| Filtration Properties | Good |
| Moist Heat | Good |
| Alkaline | Excellent |
| Mineral Acids | Excellent |
| Oxygen (15%+) | Poor |
| Pros | Cons |
|---|---|
| Excellent resistance to acids and alkaline | Sensitive bag to cage fit. |
| Applications |
|---|
| Asphalt Plants |
| Cement Mills |
| Incinerators |
Filter Bag Treatments & Finishes
• PTFE Membrane
• Singe
• Glazed
Benefits of Treatments & Finishes
PTFE Membrane: This treatment can be added to aid in the capture of fine particulate, improve filtration efficiency, and cake release. To learn more about how PTFE works and its benefits, you can access this short video guide.
Singe: The felt is singed on the side where dust cake would accumulate. The process involves removing the loose fiber ends from the filter material. This provides a uniform surface area which improves cake release.
Glazed: A process where the fibers are fused to the body of the filter medium. This helps smooth the surface and improve cake release.
Filter Bag Resources
If you’re looking for additional resources on filter media, configurations, or air-to-cloth ratio access and download our filter bag eBook below.
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