Ceramic Polymer: Internal coating of a huge tank for brewery effluents

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The large wastewater tank of a well-established brewery in Laško showed heavy corrosion damages. Extreme rust perforation occurred in its upper third; the area with uctuating water levels. The sewage water contains an elevated oxygen level within this zone. Thus, this part of the tank is most susceptible to corrosion.

Brewery e uents have high pH values and an extensive chemical aggressiveness due to organic substances such as yeast, starch or sugar compounds. Moreover, plenty of chemical detergents are fed into the sewage of breweries.

The wastewater tank in Laško was completely and extensively reno- vated. For instance, only assembling the sca old takes approximately 2 weeks. The German company ISDW used for the new coating of the tank our product system PROGUARD CN 200.

Technical Details

Project: Restoration of huge tank for brewery e uents
Height of the tank: 18 m 
Diameter: 22 m 
Coated area: 1000 m2 wall area
Coating product: PROGUARD CN 200

Product Advantages PROGUARD CN 200

• excellent chemical resistance  

• high abrasion resistance  

• temperature stability up to 130 °C (266 °F) for wet storage substances  

• long-term corrosion protection for all kinds of e uents  

• 1-layer-system  

• short curing times  

• solvent-free  

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