Page 32 - Zero is Possible - Volume 3
P. 32
Żwirownia Ostrowite
Water
POLAND Cement French drained stockpiles
Opportunity
• Resources: Built in-
High water usage in
equipment
aggregate processing
demanded a more house using existing
efficient solution. Cost: 470 CHF
Reducing freshwater
intake and recovering Results
process water became a • Water savings:
key priority. 795 m³/year recovered
annually
Solution • Reduced freshwater
A closed-loop drainage extraction from wells
Maciej Sypek system was installed for • Payback period: 2 years
CEO wet aggregate stockpiles. • Improved environmental
• Design: Perforated performance with
pipe in a gravel-filled minimal cost
drainage channel filters
water naturally from the
stockpiles
• Flow: Recovered water
is directed to a settling
tank for reuse
Agnieszka Oksanowicz
Head of HSE
& Sustainability
28

