The treatment of municipal sewage at any wastewater treatment plant all starts at the same place – at the headworks screens. Initial wastewater screening is a crucial first step in primary treatment to insure that the complex series of physical, chemical and biological processes within the municipal wastewater treatment plant work effectively and efficiently.
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Coarse Screening and Grinding
It is critical to have some level of primary treatment protection at the headworks of a treatment plant. If the plant is fed from a combined sewer system there is the possibility tires, tree branches, lumber, or other heavy objects can damage downstream treatment equipment. Automatic bar screens, which screen out heavier debris utilizing closely spaced vertical bars, are one potential level of primary treatment protection. JWC’s Bar Screen Monster and Chain and Rake Monster wastewater screens provide coarse screening protection at the headworks.
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Remove or reduce large solids while dealing with grit and excessive oil and grease
Protect the operation of downstream equipment with proper screening and debris removal
JWC Channel Monsters offer a cost effective alternative to traditional coarse wastewater screens
Fine Headworks Screens
Fine screening in now an essential part of a modern treatment plant’s headworks. Primary treatment fine screens are bi-directional headworks screens utilizing perforated plates or drums. JWC’s Monster Band Screen, Finescreen Monster and Drumscreen Monster® are fine screens that typically have openings from 1- to 6-mm. These products remove smaller pieces of trash such as wipes, plastics, latex, and cotton swabs that can easily slip through coarse screens.