PALAPSA case study

Colloid-a-tron improved cooling efficiency, reduced scaling, and delivered 15 years of maintenance-free performance.

Client: Plásticos Panamericanos PLAPASA S.A.
Region: Ecuador
Sector: Manufacturing
Product: Colloid-a-tron water conditioner

Plásticos Panamericanos PLAPASA S.A. is a plastics manufacturer based in Guayaquil, Ecuador, operating injection and blow moulding machinery that relies on stable, closed-loop cooling systems. Cooling water circulates through mould ducts and heat exchangers to regulate process temperatures and protect hydraulic systems.

Consistent thermal performance is critical to maintaining production continuity, product quality, and equipment lifespan.

The challenge

Scaling and biological growth were affecting the cooling circuits and heat exchangers, restricting flow and reducing heat-transfer efficiency.

Uncontrolled scale risked:

Reduced cooling performance

Process instability

Increased downtime

Higher maintenance labour requirements

The solution

In 2010, PLAPASA installed two Colloid-a-tron units:

One on the 6°C cold water line feeding mould cooling manifolds

One on the cooling tower outlet supplying heat exchangers

The units were installed without chemicals or additional energy input.

Results

Improved water transparency and progressive elimination of algae

Reduction of scaling within cooling ducts

Maintained effective flow diameter in cooling circuits

Improved mould cooling efficiency and process stability

Clean heat exchangers with no scaling observed

Maintenance intervals increased by approximately 15–25% within six months

Reduced downtime and maintenance labour hours

Continuous operation for 15 years without maintenance

Investment fully amortised; units expected to operate for at least 5 additional years

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