Papworth Everard Sand Filters

Colloide worked with Anglian Water to supply 3 Nitrifying Tertiary Sand Filtration Packages for Papworth Everard Sewage Treatment Works, located in Cambridgeshire England.


Works included the supply of 3 number Continuously Backwashing Nitrifying Sand filters (NDSF 7/4), 1 flow splitter tank, 4 number rotary screw compressors, control systems, air receiver, air filtration equipment, associated pipework and access platforms and stairs. The plant ensured the site met the new reduced ammonia limits.


Project Update on Papworth Everard


Design works commenced in August 2017, with the projected completion date for Papworth March 2018. The awarding of this project adds to Colloide’s portfolio of Sand Filters works, which also includes design, supply and installation of Europe’s Largest Nitrifying Sand Filter Plant in Chalton.


Technical Information

Colloide’s dynamic sand filters are designed with an excellent system to removal solids and other contaminants from a water/wastewater stream. The main features of our filters consist of:

  • Can be designed as Ammonia Removal filters, denitrifying filters and/or phosphorous filters.
  • Absence of any mechanical moving parts.


Read more about our Dynamic Sand Filters here.


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Water Recycling Centre, Nitrifying Sand filters, Sand filters, Colloide, Colloide engineering, Cookstown, Northern Ireland, Engineering, Water treatment, Industrial water treatment, municipal water treatment, tertiary solids removal, water filtration, rapid gravity sand filters, potable water treatment