PACT’s innovative flocculation and flotation unit is a unique approach and replacement to traditional DAF treatment systems. The GEM unit can handle a much greater contaminant loading and produce much drier solids, and takes a much smaller footprint than a traditional DAF system. PACT’s innovative flocculation and flotation unit is a unique approach and replacement to traditional DAF (Dissolved Air Flotation) treatment. The Gas Energy Mixing (GEM) System can generate better results, handle a much greater contaminant loading, adapt to flow changes and produce much drier solids with a much smaller footprint and using less chemicals than typical DAF systems. The GEM System obsoletes DAF units in terms of flotation efficiency and operation. Where a DAF unit typically operates under the “collision method” theory for flotation, the GEM System is designed to en-train air into the floc and sludge structure, known as the “floc seeding method”.
In PACT® GEM System, the floc seeding method is accomplished with the following steps:
The above process is a completely different process that has been researched and developed over several years by PACT®. PACT® has developed a flotation process that is completely different and unique from processes that are currently used by traditional technology. Through these advancements in flotation, and a one-of-a-kind approach to the flotation process, the GEM System is able to achieve the following benefits:
PACT® CHEMICAL DOSING AND MIXING ACHIEVEMENTS:
Along with the GEM System’s engineered process for flotation and flocculation, the GEM System uses the advanced LSGM (Liquid Static Gas Mixer) technology for air entertainment and chemical mixing. CWT has developed and patented its LSGM technology, and is the core concept of how the GEM System operates. The GEM System comes with a standard of 6 LSGM cartridges, piped together in series. The LSGM consists of a stainless canister, with a cartridge insert. Each cartridge insert has a series of holes, with removable inserts. Each LSGM cartridge can be configured by removing or adding inserts. Removing or adding inserts on the LSGM cartridge allows the configuration of mixing energy for air or water treatment chemicals.
The ability to adjust the mixing energy across each head of the GEM System has the following benefits:
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