There would be no kind of aquatic life supported if waste water was just released into dams, rivers, lakes and seas. The effluents contain organic matter that would bring about competition for oxygen. In order to avoid such a situation, microbial treatment of wastewater is done before being discharged to the environment.
The microbes are usually aerobic bacteria which decompose any organic matter present in the waste into manageable form. During the primary stage of the procedure, the bacteria act on organic solids to reduce the formation of sludge. This step is necessary because excess sludge would otherwise bring about complications in the next stages.
Later when the sludge has been separated from water, microbes are used to decompose the organic matter present in the sludge. This helps reduce the water content in the sludge significantly and hence the volume making it more manageable. The reaction also minimizes the odor that is usually emitted.
Since the bacteria are aerobic a lot of oxygen is necessary for the process. The process may be carried out in an open dam or an enclosed aerated tank. The dam process is much slower because it relies only on naturally occurring oxygen which is only 21 percent. However, the enclosed tank process is much faster because pure oxygen is directly fed to the tank and mixed with the waste water.
The microbes are also very important in the final stage because they absorb all nutrients remaining. The step seeks to prevent algal bloom in receiving waters because of the nutrients. This is very important for water that contains both soaps and detergents.
It is both economical and efficient to carry out a microbial treatment of wastewater. The process is friendly to the environment. It also leaves the water safe for recycling.
The microbes are usually aerobic bacteria which decompose any organic matter present in the waste into manageable form. During the primary stage of the procedure, the bacteria act on organic solids to reduce the formation of sludge. This step is necessary because excess sludge would otherwise bring about complications in the next stages.
Later when the sludge has been separated from water, microbes are used to decompose the organic matter present in the sludge. This helps reduce the water content in the sludge significantly and hence the volume making it more manageable. The reaction also minimizes the odor that is usually emitted.
Since the bacteria are aerobic a lot of oxygen is necessary for the process. The process may be carried out in an open dam or an enclosed aerated tank. The dam process is much slower because it relies only on naturally occurring oxygen which is only 21 percent. However, the enclosed tank process is much faster because pure oxygen is directly fed to the tank and mixed with the waste water.
The microbes are also very important in the final stage because they absorb all nutrients remaining. The step seeks to prevent algal bloom in receiving waters because of the nutrients. This is very important for water that contains both soaps and detergents.
It is both economical and efficient to carry out a microbial treatment of wastewater. The process is friendly to the environment. It also leaves the water safe for recycling.
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