Bruno Gariepy

Title: Bruno Gariepy: Innovator in Aluminum Processing

Introduction

Bruno Gariepy is a notable inventor based in Chicoutimi, Canada. He has made significant contributions to the field of aluminum processing, holding a total of 3 patents. His innovative approaches have addressed critical challenges in the industry, particularly in the treatment and stirring of molten aluminum.

Latest Patents

One of Gariepy's latest patents involves a method for treating aluminum with chlorine. This process aims to remove alkali and alkaline earth metals, as well as hydrogen, from molten aluminum. The invention introduces a minor proportion of a gaseous compound of fluorine, preferably sulfur hexafluoride, to form alkali or alkaline earth metal fluorides in the presence of molten aluminum. This method effectively prevents the formation of a brittle oxide crust that does not protect the metal from oxidation. The proportion of sulfur hexafluoride to chlorine gas is ideally maintained between 0.01 to 1.0, resulting in ingots cast from the treated metal that are free of oxide patches on their surface.

Another significant invention by Gariepy is an apparatus for stirring molten metal. This new stirring apparatus is designed for the liquid metal contents of a furnace, particularly in the processing of aluminum and its alloys. The apparatus features a reservoir separate from the furnace, which has a relatively large horizontal cross-section and volume. A vacuum draws metal from the furnace through a nozzle, and gas pressure returns the metal into the furnace in the form of a horizontally directed jet. This cycle is repeated at close intervals to ensure effective mixing of the furnace bath. The nozzle directs the molten metal tangentially to swirl it, reducing the accumulation of dross. The reservoir includes a bottom static part with the nozzle and a removable top cover that carries heaters for heating the reservoir interior and the dross that deposits on the side wall.

Career Highlights

Bruno Gariepy has made a significant impact in the aluminum industry through his work at Alcan International Limited. His innovative patents have contributed to advancements in aluminum processing techniques, enhancing the efficiency and quality of the final products.

Collaborations

Gariepy has collaborated with notable coworkers, including Ghyslain Dube and Jean Pare, who have contributed to his projects and innovations in the field.

Conclusion

Bruno Gariepy's contributions to aluminum