Ancillary Equipment for Sewage and Drainage Systems

A sewage treatment system may have a number of ancillary components to the main treatment plant or tank.

Air Compressors

Air compressors are fitted in treatment plants and polishing units to insert air to circulate the media in the liquid.  This will speed up the breakdown of the waste.

single  head air pumpjdk twinhead air pump


A single compressor such as on the left is used in most installations but a large system may require a twin compressor as shown to the right.




For heavy duty use, IP44 splash proof, easy clean filters, strong robust construction and  low running costs we recommend the LDC60W Linear Diaphragm Compressor. 


We also supply, and install if necessary, a variety of submersible pumps. Uses range from light dewatering and emptying pools and sumps through to continuouse duty applications in cellars, ponds and drainage systems.

Grease Traps

grease trap




The illustration shows a grease trap and its components and workings. Grease traps are fitted as close as possible to the outlet from a kitchen where grease is present in the waste water, and filter out the warm liquid grease so that it does not later cool and solidify in the drainage system causing narrowing of the pipes and future blockages.  Grease traps must be regularly emptied.






A geoceptor is a separator to remove oil and silt from rain water in car parks, roads and other hard-standing areas. The water containing sediment drains down into the tank at the bottom.  As the tank fills, the sponge prevents the silt and particles escaping when the excess water flows back out.  The sludge can then be removed from the geoceptor with a tanker.  Geoceptors are fitted with a wireless alarm which monitors their status, and can even be provided with a supplementary silt storage unit.

Contact Us

Bates Environmental Ltd

58-64 Station Street
PE11 4UJ

Tel: 0800 043-37-11
Fax: 01775 822-983

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