A compressor pumps air through diffusers in this inner chamber. The extra oxygen introduced to the ATU from this air stream accelerates the growth of the naturally occurring micro-organisms, which break down all of the organic waste in the system.
The contents of the inner chamber circulate through access points into the top of an outer, settlement, chamber. The contents of the settlement chamber slowly sink and re-enter the inner chamber at the bottom of the system, at which point the bacteria continue breaking down the organic matter. This circulation process repeats and breaks down 100% of all organic waste introduced to the ATU.
After 24hrs, 99+% of the waste has been broken down by the micro-organisms. The polluting strength of the wastewater will have been reduced by 50-60 times, the total solids that remain in suspension will have been reduced by 99+%, and the resulting effluent is cleaner than the initial discharge from many municipal treatment plants. This clear, odor-free liquid will then flow into the drain field to be naturally dispersed into the ground.
We recently spoke to a developer in Indiana. He had bought a 89 hectares plot for development as a subdivision. Indiana State regulations prohibit use of septic tanks on lots smaller than 3035m² - but his business was dividing the site into individual building plots, installing services and selling on to custom home builders. After considering common areas, roads, pathways, woodland and lakes, using septic he could place just 90 homes on this site. Using our ATUs the yield increased to 160. This true life situation called for individual units for each homeowner. If the site is being developed with a mutual domestic, or for condos, time share/vacation homes or any other use where common sewerage may be beneficial, we can supply larger multi-unit systems which may operate in series or in parallel, depending on detail design, that will provide City Sewer quality effluent that can be both denitrified and, if necessary, disinfected, for communities of up to 500 people.
You will provide a better service to your custom home customer and make your job quicker at the same time due to ease of installation. Installing a Bluewater unit is very simple and can be done by only 2 people. There is a minimum of electrical connections, and a simple air hose to fit. This can be done in half a day! Bluewater Advanced Treatment Units also save you money because they require a drainfield that is 30% smaller than those mandated downstream of a septic tank. The drainfields themselves are simple to construct. Subject to confirmation that this design complies with your local regulation we recommend:
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