Mobile Wastewater Treatment System

Nowadays, due to requirements whereby there’s a need for a quick and cost effective method to handle sudden generation of wastewater especially from those coming from construction site and temporary processing unit, comes the idea on having a Mobile Wastewater Treatment System. Usually the whole concept was made possible after design and input has been put in to cramp the system into a container size trailer whereby only the main and basic processing units such as DAF separation unit and small aerobic biological reactor were available.

Compared to normal wastewater treatment setup, mobile system operates on much smaller scale and generally it requires more chemical usage especially on DAF unit than any other conventional system. The setup is only designed to handle smaller volume of wastewater up to 20MT per day in a single batch and as such there is usually a limitation to the amount it can handle. Depending on the control and maintenance routine put in place, the cost of operating a mobile waste treatment unit can vary considerable. Based on studies, it was also found that processing should be done in batch wise and it may not be economical to run it continuously since generation of wastewater may not be constant as well. Of course one of the advantages of having the system is that it can be moved around anywhere where the service is needed and required.

The mobile wastewater treatment system should also come with a small laboratory size setup, which allows fast and immediate COD testing to be carried out. This is important so that quick results can be obtained before final decision is made whether to discharge and resent the whole batch back again for processing. If well maintained and the operator has the experience to handle the whole system, it is possible and not surprising to see the COD level reduced to almost to less than 50ppm. This is the capability that we are talking about here. In fact, certain mobile setup even has an ozone disinfection installation that allows water to be sterilized to reduce microorganism count especially on instances whereby the wastewater is to be discharged close to water catchment area.

To get a better picture on how all this works out, let us understand how the big plant operate in generally and what the normal processes that are involved that contribute to large COD removal. Understanding wastewater collection methods and baffled reactors is the first step moving onto larger and more complex processes.

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