Matthieu St-Laurent

Title: Matthieu St-Laurent: Innovator in Mineral Processing Technologies

Introduction

Matthieu St-Laurent is a notable inventor based in Jonquière, Canada. He has made significant contributions to the field of mineral processing, holding three patents that showcase his innovative approach to separating and processing mineral slurries.

Latest Patents

St-Laurent's latest patents include a settler for decanting mineral slurries and a method for separating clarified liquid from thickened slurry of said mineral slurries. This settler features a tank with a side wall, bottom, and top, equipped with an outlet for thickened slurry, a first overflow outlet for clarified liquid, and a slurry inlet means for introducing fresh slurry. The design incorporates a stirrer that rotates or reciprocates around a vertical axis, enhancing the efficiency of the separation process.

Another significant patent involves a process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore. This process includes a digestion step, a separation step, and a precipitation step, with specific measures for pretreating the slurry and determining the concentration of solid particles in the clarified liquor.

Career Highlights

St-Laurent is currently employed at Rio Tinto Alcan International Limited, where he applies his expertise in mineral processing technologies. His work has contributed to advancements in the efficiency and effectiveness of mineral separation processes.

Collaborations

Throughout his career, St-Laurent has collaborated with notable colleagues, including Guy Peloquin and Philippe Racine. These partnerships have fostered innovation and the development of new technologies in the field.

Conclusion

Matthieu St-Laurent's contributions to mineral processing through his patents and work at Rio Tinto Alcan International Limited highlight his role as an influential inventor in the industry. His innovative solutions continue to impact the field positively.