Silver-Derived Antimicrobial Coatings for the Prevention of Microbial Biofilms in Metal Pipes

Vela-Cano, M.; Garcia-Fontana, C.; Osorio, F.; González-Martinez, A.; González-López, J.

Silver-Derived Antimicrobial Coatings for the Prevention of Microbial Biofilms in Metal Pipes

2021

Vela-Cano, M. | Garcia-Fontana, C. | Osorio, F. | González-Martinez, A. | González-López, J.

Biodeterioration is one of the most important processes in metal pipeline corrosion, and it can be due to physical, chemical, and biological factors. Coatings rich in silver have been used to inhibit this undesirable phenomenon. In this study, the antimicrobial properties of several silver-containing products used as a coating in pipelines were determined on a pilot scale in order to evaluate the ability of silver to inhibit biofilm formation. The results showed that the coating with silver zeolite at a concentration of 2000 mg L–¹ inhibited the formation of a microbial biofilm and prevented the biodeterioration process. Therefore, from our study, it can be concluded that silver zeolite shows greater protection capacity than other silver preparations and presents advantages in relation to other silver coatings that are currently available

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