Case Study – PPG Architectural Coatings

Pseudomonas Reduction

PPG approached Fileder Filter Systems after discovering microbiological issues in their towns water. In particular they required pseudomonas to be dealt with as the presence of this in paint production process can lead to a dirty, earthy smell and ultimately high batch wastage. Fileder provided a 2 stage, duty/standby system, which incorporated SPECTRUM PSP and PPPES cartridge filters which delivered Log 7 reduction on the harmful pseudomonas.

Water based paints are susceptible to bacteria carried in mains water, with the ever tightening of legislation with regards to the use of biocide and biocide addition levels, we needed to expand our toolbox.

Fileder presented a very simple easily managed solution with their two stage filtration system. We have installed two banks of two filters one at 1.0 and one at 0.2 μm which filter out the bacteria from the mains water before it enters our plant. The system is on pressure sensors linked to our process control system which tells us when to change the filters we swap from bank one to bank two and then simply replace the spent cartridges.

PPG state that the secondary advantage is that the additional biocide, included in their paint for long term in-can protection, is not only being used to clean up the water but will enable PPG to reduce the amount of biocide and promote a better choice of safer biocides.

Established for over 35 years, Fileder Filter Systems is one of the largest independent process filtration and water treatment supplier in the UK. A wide range of filtration and water treatment products are available to order for next day delivery, including carbon blocks, pleated and depth cartridges, housings and RO systems.

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Fileder presented a very simple easily managed solution with their two stage filtration system

PPG Architectural Coatings

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