Florida Patent of the Month – June 2021
Wastewater provides a channel to carry contamination along, where contaminants can be organic and inorganic. Depending on the contaminant type it might settle along the bottom, remain suspended, or dissolve along the way. Wastewater treatment systems work to separate out these contaminants to produce product water that can be introduced back into the environment or reused. The application of the product water depends on the degree of purification. Traditional treatment processes use a multi-step process where the first and second steps can be incredibly slow. The systems also do not scale well to small systems as they take so much space and require large volume to make it efficient. Eco Water Technologies Corp. has worked to develop an alternative wastewater purification system that can overcome these limitations.
Their systems use mechanical and chemical processes as opposed to traditional biological processes. These more efficient methods work well in small mobile systems as well as at a large municipal system. Their system operates in this order:
- Coagulant injector assembly
- Inline air injector assembly
- Pre-hydrocyclone flocculant injector assembly
- Hydrocyclone separator
- Post-hydrocyclone flocculant injector assembly
- Outlet at the water line of the flotation tank
A double dose of flocculant in the piping after exiting the hydrocyclone separator results in doubled separation efficiency. The hydrocyclone feeds the flotation tank. The coagulant effectively creates a thickened sludge with 5.1% solid/liquid concentration directly out of the flotation tank. This results in a 98% recovery rate and produces fully potable water.
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