WPL lamella settlement wastewater treatment optiontemporary solution for Scottish Water in Kirkcowan Lamella plate
Transportable WPL Lamella Plate wastewater treatment plant for Scottish Water in Kirkcowen

A relatively small existing treatment works (549 pe) that required complete refurbishment, the following equipment was supplied by WPL for the duration of the refurbishment:

  • 2 off ST500 (Steel) WPL SAF units (2 off units required to treat the 6 x  DWF as requested by SEPA)
  • 1 off HB50 transportable WPL  Lamella settling unit/primary tank.

Design parameters (original)

Unit Comment
Population Equivalent No 549 Domestic only, no trade
DWF 1/sec 2.9
FlowtoFullTreatment 1/sec 4.9 Instantaneous pumped flow to be treated by SAF plant
Influent BOD Kg/day 32.9 AtADF
Influent SS Kg/day 41.2 At ADF
Influent NH3-Nload Kg/day 4.4 At ADF
Primary tank design effluent BOD load Kg/day 25 N/A
Primary tank design effluent SS load Kg/day 22.2 N/A
Primary tank Effluent NH3-N Kg/day 4.4 N/A
Works Consented Effluent BOD load Mg/l 20 95%ile composite samples
Works Consented Effluent SS load Mg/l 30 95%ile composite samples
Effluent NH3 Mg/l N/A No considered for sizing plant

During the rental period the units performed without fault and satisfactorily achieved the required discharge consent standard of 60:40 (BOD: SS)

WPL and Atana are now a part of WCS Environmental Engineering

WCS Environmental Engineering is a part of the WCS Group, which has the in-house skills and expertise in place to deliver full turnkey solutions from influent to effluent, with the capability to close the loop with water reuse.

pdf Refurbishment works at Scottish Water in Kirkcowan -WPL.pdf

Assets

 

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WPL Lamella: During the rental period the units performed without fault and satisfactorily achieved the required discharge consent standard of 60:40 (BOD: SS)