Hot Gas Generators Application Product quality and compliance with dust emission limits is a core requirement for de-dusting in the Cement, Gypsum and Lime industries. The choice of Filter Media is of paramount importance in the cement kilns where high levels of NOx are found, due to high combustion temperatures. VAID offers Filter Bags, made from various Media best suited to the Customer's requirement.

Scrim and Fibre Types Cont. Temp (Peaks)* Resistance to Hydrolysis Resistance to Acids Resistance to Alkalis Resistance to Oxidation
Clinker Cooler  
Polyester (PE) 150oC/(150oC) Restricted Good Restricted Good
Aramid (NO) 200oC/(200oC) Restricted Restricted Restricted Good
Rotary Kiln and Raw Meal Mill  
Acrylic (AT) 125oC/(140oC) Good Good Good Good
Polyphenylene Sulfide (PPS) 190oC/(200oC) Excellent Excellent Excellent Restricted
Polyimide (PI) 240oC/(260oC) Good Restricted Restricted Good
Premium Fiber Blend (PFB) 240oC/(260oC) Good Restricted Good Good
Teflon (PTFE, TFL) 250oC/(280oC) Excellent Excellent Excellent Excellent
Fiberglass (GL) 260oC/(288oC) Good Good Restricted Excellent
Chlorine Bypass  
Polytetrafluorethylene (PTFE, TFL) 250oC/(280oC) Excellent Excellent Excellent Excellent