Septicity In Ireland the ...
Published by Philip Johnston, Wastewater Solutions - Owner
Septicity
In Ireland the requirement is to exchange the sewage in the line every 5 hours to avoid septicity. We have had to look at a number of options, dosing usually is not an option as the sewage is going to a municipal plant and will kill all round it. Other options are to pre-treat on site and pump effluent, use a water flush system, for smaller applications use grinder pumps to allow for reduction in pipe size and holding volume in the line.
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Anglian Water has explored pre treatment as an options but due to the 5000+ pumping stations pre-treatment on site is rarely an option. We have explored the water flush system but the water shortages within our area mean the volume required is too great.
Published by Nilam Patel, Water Innovation Network - Network Coordinator