Ensign Ultra sewage treatment plants

Marsh Ensign Ultra sewage treatment plants are widely regarded as the most efficient, reliable and economical domestic systems on the market.

The standard Ensign has been adapted to improve reliability and the Ensign:Ultra now brings unique enhancements to further improve noise level, treatment efficiency and final effluent quality.

Class leading performance

Tested and approved to BSEN12566-3/A1:2009 all Ensign units provide treatment well within national consent requirements. Published test results of 11.5:19.2:8.4mg/ltr (BOD:suspended solids:ammonia), with influent concentrations on test higher than those chosen by most competitor plants, effectively equates to 97% pollutant removal.

Unrivalled choice

Ranging in size from 4 to 50 PE in Ultra, Standard and Shallow versions of each, and with a wide range of ancillaries, almost all site, consent and budget requirements can be met by units from the range.

Operating Principles

In addition to anaerobic digestion taking place in the primary settlement chamber [2] the Ensign unit allows the clarified water to pass into a second ‘aeration’ chamber [3] where it is treated to remove the dissolved constituents. Here aerobic bacteria, supported by diffused air and mobile media, ensures full treatment is achieved before the treated effluent and ‘sloughed off’ bacteria flows to a final settlement chamber [10]. The final effluent is then discharged to the drainage field or watercourse via a Polylok filter.

KEY

1.Inlet

2.Primary settlement chamber

3.Aeration chamber

4.Compressor with alarm

5.Compressor housing (External or internal options)

6.RCD / Electrical connection

7.PVC pressure pipe for diffuser(s)

8.Bio-media

9.Stainless steel mesh

10.Final settlement chamber

11. Sludge return

12.Unique Polylok tertiary filter (Only on Ensign:Ultra units)

13.Outlet

14.Access lid

15.Integral lifting eyes

16.Stabilising feet

17.Unique ‘keying-in’ lip