Here you will find useful information about sewage treatment processes as well as current (and archived) news stories.


A digger covering dirt over a diamond sewage treatment plant during installation

How do you convert raw sewage into clean water?

14 April 2020

Raw sewage from the typical household produces effluent whose strength is estimated by British Water to be 300 BOD. This is similar to 300 parts per million! BOD is the term used for Biological Oxygen Demand.

Septic Tank Problems?

13 April 2020

If your Klargester type or brick septic tank appears to be full and backing up, what do you do? 

Blockage removed from a pipe in Harlow after septic tank problem


Allerton Engineers at Work

17 Februrary 2020

After removing heavy disc packs from a Klargester Sewage Unit at Scunthorpe steelworks, two Allerton Engineers fitted a new rotor and bearings. Click "Read More" to check out our gallery and learn more about the process.

Page 7 of 9