Pazartesi, Temmuz 22, 2024

WEG and Nexa to develop anticorrosive paints 

The initiative, developed by Mining Lab, studies the utilization of jarosite, the most generated waste in zinc metallurgy worldwide.

WEG has partnered with Nexa, one of the world’s largest zinc producers, to develop liquid anticorrosive paints with the addition of jarosite, a waste derived from zinc metallurgy. The new solution will focus on carbon steel and cast-iron surfaces, with the capacity expected to provide protective effects, reducing the use of conventional raw materials and promoting circular economy in the industry. The initial results of the project and preliminary studies indicate that the paint has high compatibility with epoxy, alkyd, and acrylic resins, with effective corrosion protection.

The partnership between the two companies will last for three years and involves an investment of R$ 4 million, raised from the Financier of Studies and Projects (Finep), a public agency for the promotion of Science, Technology, and Innovation. The goal is to develop innovative solutions through this initiative, leveraging WEG’s expertise in paints and Nexa’s expertise in mining and metallurgy waste beneficiation.

WEG ve Nexa antikorozif boyalar geliştirecek

Utilizing the anticorrosive potential of jarosite

“WEG promotes technological partnerships through open innovation to accelerate development and generate innovative solutions, as in this case where the development of a coating that can harness the anticorrosive potential of jarosite, a mineral generated in the zinc beneficiation process, is being studied.”, says Rafael Torezan, Managing Director of WEG Coatings Business Unit. “This important initiative with Nexa demonstrates WEG’s commitment to developing innovative and sustainable solutions,” he adds.

The use of jarosite as a pigment originated at the Federal University of Minas Gerais (UFMG), with the support of Professor Fernando Cotting, who conducted initial tests and presented the viability of paint development.

With the continuous supply of jarosite, Nexa will reduce mineral waste levels at the Juiz de Fora unit and continue its circular economy, decarbonization, positive legacy, productivity, and safety agenda, which are part of the company’s ESG strategy.





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