Commercial sewage septic system refers to a large-scale sewage treatment plant having the capacity of dealing with wastewater and sewage generated from commercial developments such as hotels, schools, Caravan parks and other developments. The following article tells everything you should know about large commercial septic systems.

When should you install a commercial septic tank ?
Commercial septic tanks are generally required in places where there is a lack of public main sewer available for an improvement. In situations like this, a commercial septic system is indeed necessary for treating the sewage and wastewater generated on-site.

You can also install a commercial sewage treatment plant in a situation where there is accessible a public main sewer to the development site, but where the existing sewer lacks the capacity of dealing with the sewage and wastewater that should be generated from the new development.

The way a commercial septic tank work:
A commercial sewage treatment plant or septic system runs in a similar fashion to a smaller domestic system. Heavy solids are thrown away by the primary settlement tanks, or by a mechanical screen. Then the partially treated wastewater undergoes the biological treatment in an aeration chamber. Many large-scale sewage treatment systems or large scale septic systems require standard treatment that is higher than normal. This is because larger volumes of effluent can flow into groundwater or surface water and have a bigger impact on water quality.

You should therefore take in a chemical dosing system to reduce phosphorus, an anoxic stage for nitrogen reduction or ultraviolet treatment to eliminate bacteria and pathogens from the wastewater.

How much is the cost of a septic tank?
A commercial sewage treatment plant or septic system has varied costs. Factors impacting the cost include the size of the sewage treatment plants, the effluent standard needed to be achieved and the ground conditions that may decide the installation costs.


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