by Severn Trent De Nora a De Nora Joint Venture Partner with Seven Trent) is the result of the many years of De Nora s experience in the design and manufacture of electrolyzers... solution. De Nora has developed anode coatings that operate at higher efficiency, based on equivalent Cl2 production, and this result in lower operating expenses, a major concern... systems. Ballast water exchange is a time consuming, costly, and dangerous operation depending on sea conditions. Severn Trent De Nora, with 25 years experience, is the world leader...