Products O2B2

By: Aquatech Environmental  09-12-2011
Keywords: Golf Course, Wastewater Treatment, Aeration

Aquatech Environmental Systems O 2 b2 What are the benefits?
efficient aeration
low energy consumption
excellent mixing capabilities
low maintenance environmentally friendly silica sands are used to 
serve as a ballast for the dual assembly
a life expectancy of over 25 years
very flexible
simple to install
easy to maintain

0 2 b2 is well suited for golf course ponds, dugouts, wastewater treatment lagoons, aquaculture systems and other applications where aeration systems are required.

How does it work?
O 2 b2 Aeration Tubing is a unique dual, self-ballasting, thermoplastic elastomer compound extruded tubing. The primary tube has a multitude of tiny holes, arranged in a specific pattern, emitting and controlling a steady stream of air bubbles ranging from 1/100" to 1/16" when pressurized. The secondary tube is filled with environmentally friendly silica sand of various compositions, serving as ballast for the dual assembly.

The O 2 b2 is laid out strategically in the water body and is powered by a low-pressure compressor. As tiny bubbles are released from the tubing at the bottom of the pond, they rise at a rate of less than one foot per second (laminar flow). At this rate of ascent, the bubbles do not cause turbidity. As these bubbles rise, they expand and thus give off energy. As we know, when energy is given off, so then is heat. Therefore, by aerating in this fashion we are gently reducing the temperature of the lake. This is then the first stress we place on the algae and plants in the water. We also know that cooler water retains more oxygen than warmer water, which is a benefit to all marine creatures in the lake.

Why a bottom aeration system?
One benefit to a bottom aeration system is the mixing capability. As the bubbles rise and expand, they increase their surface area and a vacuum is formed below each bubble. This draws the water from the bottom of the lake towards the top, and then as the bubble bursts at the water surface it breaks the surface tension of the water. This allows more oxygen to transfer back into the water. It is in the mixing process that the thermoclines in the lake are eliminated, allowing fish and insects to live in the entire water column. Also, hydrogen sulphide and methane are no longer produced as the sludge layer changes to aerobic conditions. This eliminates odours and dangerous gases.

Once I have the system in place, what’s next?
After Aquatech installs the aeration system, we then augment the water with beneficial non-pathogenic bacteria. The bacteria flourish in all the excess nutrients that the sludge provides. As the many strains of bacteria devour these nutrients, they break them down into carbon dioxide and water as well as inert ash and single elements. The cell bodies of the bacteria then become part of the food chain, eaten by zooplankton and small insects, which in turn are eaten by larger animals such as fish and birds. It is with this process that the nutrient load of the lake is channeled away from plants and algae and toward higher life forms.

O 2 b2 (patent pending) Technical Specifications
Oxygen Transfer:The Standard Oxygen Transfer Rate (SOTR) in accordance with the ASCE Standard "Measurement of Oxygen Transfer in Clean Water".
SOTR at 2 metres = 209 mg/min
SOTR at 3 metres = 234 mg/min
.01 cfm/ft at 5 psiOzone Resistance:
to 0.5 ppm

Life Expectancy
Longer than 25 years

Keywords: Aeration, bacteria, Environmental Systems, Golf Course, Wastewater Treatment

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