What are the types of sewage treatment plant? And its Importance

June 14, 2021by Netsol Water20

Sewage Treatment Plant

Sewage Treatment Plant is a machinery process to treat the waste and wastewater generated from households, offices, restaurants, hotels, factories, municipals corporations, and so on. In other words Sewage treatment plants are generally used for the treatment of wastewater in order that they are often made fit use within the fulfillment of other purposes, even the wastewater beginning of varied manufacturing and supplying units isn’t fit to be released within the environment or within the water bodies.

What are the types of sewage treatment plant?

The major question is that what are the types of sewage treatment plants? STP Plant is differentiated by the process by which they treat the wastewater. So we can state the following Types of Sewage Treatment Plant

  • Suspended Media Filters (SMF)
  • Activated sludge plant (ASP)
  • Rotating disc system.
  • Submerged aerated filter (SAF)
  • Sequencing batch reactor (SBR)
  • Non-electric filter.
  • Trickling filter.

Activated sludge plant (ASP)

ASP systems usually need servicing on a six-monthly basis, counting on the manufacturer and population equivalent size. The Vortex plant is officially classed as a complicated ASP (AASP) because it features a sludge return mechanism incorporated into the planning. In each case, these plants require maintenance by a suitably qualified engineer. we have an outsized understanding and knowledge of those sorts of sewage treatment plants as we’ve maintained such wastewater systems for our customers for several, a few years. Certain parts and fittings (depending on the manufacturer) on these plants can break over time either through stress or mechanical fatigue. so as for ASP’s to function properly, maintenance is important.

Rotating disc system

Rotating Disc Systems (Rotating Biological Contactors – RBC’s) include:

Klargester Biodisc
Tuke and Bell
Clearwater Rotoclear
Depending on size and manufacturer’s specifications, RDC systems require servicing on either a twelve-monthly, six-monthly, or quarterly basis. The Clearwater Rotoclear is not any longer in production. Regular maintenance by a suitably qualified engineer is important to make sure the interior moving and mechanical parts are kept in good, working condition. we’ve much experience in servicing these sorts of sewage treatment plants, however, we only maintain these quiet plants as long as they’re within a 35-mile radius of our offices. this is often because any emergencies which will arise with these plants got to be addressed immediately. due to their heavy reliance on the interior moving parts, maintenance on these particular plants is important.

Suspended Media Filters (SMF)

Examples of Suspended Media Filters (SMF’s) include:

Allerton Drainage
Valance VES 1-4
Clearwater Filter clear
Klargester Biotec (and Airflow)
Biodigester (pre-1997)

Submerged aerated filter

SAF systems require servicing on either a twelve-monthly, six-monthly, or quarterly basis counting on size and manufacturer’s specifications. There are many SAF plants that are not any longer in production; if you’ve got an obsolete SAF plant, please call us as we still maintain many SAF plants that are not any longer produced. Again, regular maintenance is extremely important so as to take care of optimum efficiency, suit the terms of your Permit to Discharge and avoid your plant from becoming an environmental pollution hazard. Moreover, there are many parts that are perishable (depending on the make and model) on SAF units that need replacing; renewing these parts is important so as to stay these plants operating properly. we have an excellent deal of experience servicing this type of sewage treatment plant and currently, maintain SAF’s produced by an outsized number of various manufacturers.

Examples of Submerged Aerated Filters (SAF’s) include:

Conder SAF
Valance VES 5 and above
Clearwater Aeroclear
Marsh Ensign


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