Assess
Identify sources and critical zones
Biofouling
Prevent biofilm from controlling your process.
Control microbiological fouling and biofilm in water circuits.
From problem to cause
Investigate the mechanism first
Biofilm protects microorganisms and can affect heat transfer, flow and material behaviour. Reproducible dosing and effective monitoring are essential.
Signals in the installation
- Slimy deposits or odour
- Increasing pressure drop or filter load
- Microbiological measurements outside limits
- Unexplained variation in heat transfer
Approach
From diagnosis to control
Analyse
Assess system hygiene and operating practice
Implement
Select the appropriate chemical and mechanical approach
Verify
Define measurements and action limits
Biocidal product route
Film-forming amine biocide for industrial cooling-water systems
In addition to the corrosion inhibitor, MexTech supplies a separate film-forming amine biocide for selected industrial applications where biofilm and biological fouling are critical.
The product combines surface-focused film formation with a biocidal function. The exact target organisms, system types, water qualities, dose, contact time and discharge conditions are determined solely by the current country-specific authorisation and product label.
- Professional use in authorised industrial cooling-water systems
- Targets biofilm and biological fouling within the authorised use
- Dosing strategy and monitoring tailored to the installation
- Current authorisation, SDS and product information checked before delivery
Root-cause diagnosis
Similar symptoms can have different causes
We therefore link visible signs to water chemistry, process data, materials and the location where the problem occurs in the installation.
Continuous ingress of organisms and nutrients
Make-up water, process leakage and environmental loading can continue to feed microbiological growth.
Stagnation, low flow and deposits
Dead legs, contaminated basins and deposits provide sheltered areas in which biofilm can develop.
Insufficient reach or contact time
A biocide may underperform because of high demand, incorrect dosing, a poor injection point or insufficient contact with the biofilm.
Treatment route
Interventions matched to the mechanism
- Reduce source loading, stagnant zones, fouling and hydraulic bottlenecks
- Assess cleaning, dispersion and an authorised biocidal route in the correct sequence
- Make the dosing system, injection point, contact time and control measurement reproducible
- Define action limits for both microbiology and process performance
Frequently asked questions
Technical choices require system context
These answers provide initial direction. The final approach follows from the installation data and product documentation.
Does a low count in a water sample prove there is no biofilm?
No. A bulk-water sample mainly shows what is present in the water; attached biofilm on surfaces may therefore be underestimated.
Is periodically dosing a large amount of extra biocide always the best solution?
No. Product authorisation, contact time, system demand, biofilm protection, injection point and safety determine the right strategy. Cleaning and hydraulics can be just as important.
What is the difference between MexProtect™ and the film-forming amine biocide?
MexProtect™ is a corrosion inhibitor without a biocidal claim. The separate biocide has its own authorisation, label and defined field of use.
A specific challenge?
Discuss your water system with a specialist.
Briefly describe what you observe in the installation. Together, we will determine the most logical first step.