About Pepsico & Walkers
Walkers Snack Foods, a division of Pepsico, sought the latest eco-friendly technologies to reduce existing limescale from pipes and equipment at their waste reclamation plant in the UK.
Their goals were clear: reduce repairs, maintenance, and lower operating costs while improving energy efficiency, lowering energy consumption, and decreasing carbon emissions to support meeting Government targets.
Before
After
Monthly cleaning time reduced by 75% with Vulcan
Four Vulcan S100 Units: Strategic Placement
Four Vulcan S100 units were installed across the reclamation site to treat all water supplied, including the CWS, supply from the preparation plant, and from the Moisey plant.
Reclamation Plant (External)
Pipe: 4" stainless steel | 56 m³
Placement: Outside, pre-pump with IP65 protection.
Purpose: Reducing heavy limescale in pipes and pump.
Weather-protected external
Reclamation Plant (Internal)
Pipe: 3" stainless steel | 56 m³
Placement: Post-pump, near roof level.
Purpose: Protecting machinery on 2nd & 3rd floors.
Upper level installation
Cold Water Supply (CWS)
Pipe: 10" stainless steel | 100 m³
Purpose: Protecting entire plant including valves, aerators, toilets.
Main water supply
Moisey Plant Supply
Pipe: 10" stainless steel | < 40 m³
Placement: Within Moisey plant room.
Purpose: Treating residual process water.
Process water protection
Measurable Results
| Metric | Before Vulcan | After Vulcan | Improvement |
|---|---|---|---|
| Monthly cleaning time | 40 hours | 10 hours | -75% |
| Maintenance, repairs & renewals | High | Reduced | |
| Chemical cleaning usage | High | Lowered | |
| Production downtime | Regular | Improved cycles | |
| Energy consumption & costs | Higher | Lowered | |
| Carbon emissions | Higher | Decreased |
How Vulcan Helps
Reduces existing scale
from pipes and equipment
Reduces maintenance
repairs and renewals of pipes & equipment
Reduction of labour hours
for cleaning and maintenance
Lower chemical usage
reduces cleaning chemicals
Improved production downtime
due to regular maintenance
Improved heat transfer
in heating and cooling systems
Lower energy consumption
& costs
Lower carbon emissions
by using less energy
| Max Pipe Diameter: | 6 inches |
| Max Water Flow: | 530 GPM |
| Wattage: | 2.5 W |
| Dimensions: | 9.4" x 5.6" x 1.6" |
| Pipe Materials: | All types (incl. stainless steel) |
| Maintenance: | Zero |
- 4 x S100 units across reclamation site
- External: 4" pipe, IP65 protected
- Internal: 3" pipe, near roof level
- CWS: 10" main supply
- Moisey: 10" process line
75% reduction in cleaning time
Pepsico's Walkers plant demonstrates that strategic placement of Vulcan S100 units delivers measurable results: from 40 to 10 monthly cleaning hours, reduced maintenance, lower energy consumption, and decreased carbon emissions.
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About the Author
Waslix provides non-chemical, maintenance-free scale prevention using Vulcan technology. This case study documents four strategically placed Vulcan S100 units protecting the Walkers Snacks (Pepsico) reclamation plant in the UK.
