Aerator And Water Quality
Water quality is the first most important limiting factor in pond fish production. It is also the most difficult production factor to understand, predict and manage. Water is not just where the fish live. Its quality directly affects feed efficiency, growth rates, the fish's health and survival. Most fish kills, disease outbreaks, poor growth, poor feed conversion efficiency and similar management problems are directly related to poor water quality.
Water quality refers to anything in the water, be it physical, chemical or biological that affects the production of fish. The objective of pond management, is to manage the water quality, so as to provide a relatively stress free environment that meets the physical, chemical and biological standards for the fishes normal health and production performance.
An extreme drop in oxygen levels can kill all fish, invertebrates, and much of the microscopic algae populations. As the algae bloom dies, the bright green color of the water can change to black or to gray with black streaks. During this process larger fish can begin to die. Smaller fish can be seen gasping (called piping) at the surface. Of these types of aerators on the market but only one can claim the most efficient dissolved oxygen generator, O2-Turbine Aerator. This device uses the engineering principles of precession and centrifugal force.
The O2-Turbine Aerator quickly entrains and then gently, but firmly disperses dissolved oxygen in a 360 degree radius. At the same time it forces a plume of dissolved oxygen straight down. The net result is an almost magical saturation of the surrounding water with an underwater cloud of dissolved oxygen. It is virtually impossible for the O2-Turbine Aerator to clog with aquatic plants or debris. There is nothing to wear out except for the electric motor. The O2-Turbine Aerator is the most efficient, reliable, cost effective self-aspirating aerator in the global market.
Muscle to tackle large volumes of water with a single unit.
Efficiency to produce results.
No internal moving parts to wear out.
Cannot clog up with debris.
Built to run continuously 24/7, with no maintenance.
Turbine has a lifetime warranty.
High efficiency motor.
Aerator And Wastewater Treatment
All Wastewater Treatment systems have one thing in common… they need oxygen, and LOTS of it. The good news is that there has been a breakthrough in aeration technology resulting in an affordable, highly effective aerator. The name is O2-Turbine Aerator, and it holds the promise of being the most efficient aerator on the market.
The O2-Turbine Aerator generates an unbelievable barrage of entrained oxygen molecules and then injects them into your treatment stream or lagoon. The unit is quiet, light weight, and virtually maintenance free. Plus, it can be moved from place to place as needed within your treatment system.
It can be operated with a motor as small as 1 horsepower to 2 horsepowers, yet its performance can match that of a much larger aeration device. No longer do you have to strain your operating budged just to pay the electric bill.
Aerators fall into several different categories as follows:
Floating Surface Aerators
Fixed-in-Place Surface Aerators
Roots blower / Air Compressor Pump combined Diffuser Equipments
The O2-Turbine Aerator is a hybrid aerator in that it can float on the surface or else be attached to a wall. Regardless of how it is installed, it always releases air beneath the surface of the water. Using a rotating disc that operates on the principle of precession, it discharges a plume of oxygenated water in both a downward and a 360-degree lateral direction.
Compared to other subsurface aerators, the O2-Turbine Aerator produces very little surface frothing. The reason is that the particle size of the entrained air is sufficiently small that a greater percentage of the air (oxygen) is held in suspension beneath the surface. The suspension of such small particle sizes of oxygen is critical to the efficiency of any treatment system because it permits a more rapid explosion in the subsurface growth if aerobic microbes.
In a clear water demonstration it appears that a white cloud is forming beneath the water. This visual image is a testimony to the high percentage of small oxygen bubbles being created and held in suspension.
The O2-Turbine Aerator is a self-aspirating aerator. This means that it draws air by suction from the atmosphere. It does not need high-dollar canister oxygen or a compressed air system to generate and inject oxygen into the body of water. Also, due to its design, it is virtually impossible for the turbine to clog.
Why is Aeration Important for Wastewater Treatment?
Wastewater aeration is the process of adding air into wastewater to allow aerobic bio-degradation of the pollutant components. It is an integral part of most biological wastewater treatment systems. Unlike chemical treatment which uses chemicals to react and stabilise contaminants in the wastewater stream, biological treatment uses microorganisms that occur naturally in wastewater to degrade wastewater contaminants.
When is Aeration Used?
In municipal and industrial wastewater treatment, aeration is part of the stage known as the secondary treatment process. The activated sludge process is the most common option in secondary treatment. Aeration in an activated sludge process is based on pumping air into a tank, which promotes the microbial growth in the wastewater. The microbes feed on the organic material, forming flocs which can easily settle out. After settling in a separate settling tank, bacteria forming the "activated sludge" flocs are continually recirculated back to the aeration basin to increase the rate of decomposition.
How does Aeration Work?
Aeration provides oxygen to bacteria for treating and stabilizing the wastewater. Oxygen is needed by the bacteria to allow biodegradation to occur. The supplied oxygen is utilised by bacteria in the wastewater to break down the organic matter containing carbon to form carbon dioxide and water. Without the presence of sufficient oxygen, bacteria are not able to biodegrade the incoming organic matter in a reasonable time. In the absence of dissolved oxygen, degradation must occur under septic conditions which are slow, odorous, and yield incomplete conversions of pollutants. Under septic conditions, some of the biological process convert hydrogen and sulphur to form hydrogen sulphide and transform carbon into methane. Other carbon will be converted to organic acids that create low pH conditions in the basin and make the water more difficult to treat and promote odour formation. Biodegradation of organic matter in the absence of oxygen is a very slow biological process.
Why is Aeration Important for Wastewater Treatment?
Aeration is the most critical component of a treatment system using the activated sludge process. A well designed aeration system has a direct impact on the level of wastewater treatment it achieves. An ample and evenly distributed oxygen supply in an aeration system is the key to rapid, economically-viable, and effective wastewater treatment.
The O2-Turbine Aerator can be installed in many different locations
For example, it can be placed in the last basin of a stabilization system for final treatment before the wastewater is discharged into the environment. In the alternative, it can be placed in the first basin to jump-start the aeration process.
A sufficient number of The O2-Turbine Aerators can actually help aerobes attack and dissolve the solids which have dropped to the bottom of the first basin. Such action can prolong or hopefully eliminate the need for dredging the basin.
The O2-Turbine Aerator also works well in systems where sewage is treated close to where it is created. An example would be an onsite package plant. Other examples include large septic tanks and biofilters.
The O2-Turbine Aerator model is particularly cost effective in tertiary treatment systems where water is to be discharged into environmentally sensitive eco-systems. Such treated water is sometimes disinfected chemically prior to release into a stream or into a groundwater recharge zone for agriculture purposes.
Due to its unique design, the O2-Turbine Aerator can be fitted with a special intake port which is activated by the naturally occurring vacuum. Connected to this port can be a time-release container of whatever chemical or additive is needed. The additive will be picked up by the vacuum and discharged into the body of water along with the atmospheric air.