Sewage Treatment Plant Maintenance

Sewage treatment plant maintenance and servicing is essential and there is a large number of small-scale sewage treatment plants of differing designs and sizes installed throughout the UK.  The Environment Agency (EA) in England and Wales are showing increasing concerns about the potential amount of pollution these sewage treatment plants can cause.

work 188One of the primary ways to prevent pollution is to have the sewage treatment plant maintained and serviced correctly.  It is common knowledge that many domestic sewage treatment plants do not get serviced until they stop working, or cause a pollution issue. 

Sewage treatment plants have minimum maintenance requirements and these vary dependent on the size, type and age of the system.  Typically, sewage treatment plants up to 18PE should be serviced and maintained once or twice a year.  Commercial sewage treatment plants may require more frequent servicing intervals.

All sewage treatment plants are designed to promote the growth of Aerobic Micro-organisms, but the methods used to create the environment for the micro-organisms to develop and be maintained differ drastically.

Sewage treatment plants use processes which employ the use of air blowers, rotating discs, submersible pumps and filter media.  All sewage treatment plants require periodic maintenance and the maintenance requirement depends mainly on the type of treatment process being used.

Failure to maintain a sewage treatment plant can result in the system being ineffective in its operation and can result in the biological activity being effected, resulting in untreated effluent being discharged to a receiving watercourse.  Lack of maintenance can also lead to costly replacement of component parts.

 

Types of Sewage Treatment Plants

WPL

Sewage treatment plants using Activated Sludge and Extended Aeration Process will, as a minimum, require removal and cleaning of air diffusers and pipe work assemblies, and cleaning of any air blower inlet filters on 6 - 12 monthly intervals.

Plants using this process  Conder ASP, Balmoral CAP, BioPure, Mantair, WPL Diamond.

 


 Titan

Sewage treatment plants using Biological Aerated Filters will, as a minimum, require removal and cleaning of airlifts or submersible pumps, cleaning of any distribution trays and air blower inlet filters on 6 - 12 monthly intervals.

Plants using this process  Biosure, Clearwater, Klargester Biotec, Titan.

 

 

HipafSewage treatment plants using Suberged Aerated Filter (SAF) will, as a minimum, require removal and cleaning of air diffusers, recirculation airlifts and cleaning of any air blower inlet filters on 6 - 12 monthly intervals.

Plants using this process  Airotec, Conder SAF, Marsh, Tricel, WPL Hipaf.


 

 

BiodiscSewage treatment plants using Rotating Biological Contractor (RBC) will, as a minimum, require inspecting of the shaft bearings to check for wear, inspection of the electrical motor, drive pulley and drive belt.

Plants using this procees  Klargester Biodisc, Kee NuDisc.

 

 

 

Most established wastewater treatment specialists have British Water Accredited Service Engineers.  This accreditation ensures that the service engineer has the basic training required to understand the generic operation of treatment plants.

All sewage treatment plants also require emptying by a Licensed Waste Carrier.  The frequency of emptying depends of the type and size of the treatment plant. 

If you have a sewage treatment plant and require assistance with maintenance and servicing, click here

 

 

 

 

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