Joao Alberto De Lessa Tude

Title: Joao Alberto De Lessa Tude: Innovator in Nickel and Cobalt Recovery

Introduction

Joao Alberto De Lessa Tude is a notable inventor based in Salvador, Brazil. He has made significant contributions to the field of metallurgy, particularly in the recovery of nickel and cobalt from lateritic nickel ores. His innovative approach has the potential to enhance the efficiency of metal recovery processes.

Latest Patents

Joao Alberto De Lessa Tude holds a patent for a process titled "Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores." This invention outlines a method for recovering nickel and cobalt while regenerating the main raw materials. The process includes steps such as granulometric separation, leaching, neutralization, and the production of mixed hydroxide precipitate (MHP) in a single stage. It also involves the pressure crystallization of magnesium sulphite, which simplifies the neutralization circuit and produces a more purified MHP.

Career Highlights

Joao is associated with Vale S.A., a leading company in the mining and metals sector. His work focuses on improving nickel extraction methods, particularly from high magnesium-containing lateritic ores. His innovative techniques aim to decrease nickel losses and enhance the overall efficiency of the extraction process.

Collaborations

Joao has collaborated with notable colleagues, including Antonio Clareti Pereira and Felipe Hilario Guimaraes. Their combined expertise contributes to the advancement of innovative solutions in the field of metallurgy.

Conclusion

Joao Alberto De Lessa Tude's contributions to nickel and cobalt recovery processes demonstrate his commitment to innovation in metallurgy. His patent reflects a significant advancement in the field, showcasing the potential for improved efficiency in metal recovery.