B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
165/50
B01D 47/16 (2006.01)
Patent
CA 1058514
ABSTRACT OF THE DISCLOSURE A pollution control method for reducing the pres- ence of contaminants in stack gases from the manufacture of glass fiber wool-type products includes feeding the forming fan gas into a centrifugal fan and injecting massive quantities of water into the fan intake. The aerosol particles are agglomer- ated by impact with the airborne droplets of the water and wet surfaces of the fan. The larger, coalesced or agglomerated particles are more readily susceptible to inertia-type separa- tion from the air by the action of the fan and in a later sep- aration operation. It has been found that 1.5 or more gallons per minute of injected water per thousand standard cubic feet per minute of forming gas passing through each fan is effect- ive to remove more than 40% of the contaminants and even larger amounts of water remove greater amounts of such particles. Further, the process water can be recirculated, thus reducing or eliminating the consumption of fresh water and maintaining the normal process water system of the manufacturing operation.
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