Kenneth Leslie Agnew

Title: Innovations by Kenneth Leslie Agnew

Introduction

Kenneth Leslie Agnew is a notable inventor based in Sault Ste. Marie, Canada. He has made significant contributions to the field of metallurgy, particularly in the processing of sulfide ores. With a total of 2 patents to his name, Agnew's work showcases innovative methods that enhance the efficiency of metal extraction processes.

Latest Patents

Agnew's latest patents include a method for iron chloride activated oxidation of sulfide ores. This method involves oxidizing finely-divided sulfide ores or mattes containing iron and other elements such as nickel, copper, cobalt, zinc, and lead. The process occurs in the presence of iron chloride within an oxygen-rich atmosphere at temperatures ranging from 220°C to 400°C. This innovative approach converts the mixture of iron chlorides and sulfides into water-insoluble iron oxide, while the other metals are transformed into water-soluble chlorides and sulfates.

Another significant patent by Agnew is focused on fluid bed roasting of metal sulfides at high temperatures. This improved method allows for the agglomerative roasting of metal sulfide particles, which are introduced as an aqueous slurry into a fluidized bed of roasted calcine agglomerate particles. The process ensures that the temperatures in the roaster are controlled to facilitate fusion during roasting, resulting in the formation of rounded calcine particles. This method is particularly beneficial for roasting pyrrhotite concentrates derived from nickel-copper ores.

Career Highlights

Throughout his career, Kenneth Leslie Agnew has demonstrated a commitment to advancing metallurgical processes. His innovative techniques have the potential to improve the efficiency and environmental impact of metal extraction.

Collaborations

Agnew has collaborated with notable colleagues, including Simon O Fekete and Colin Bruce MacKenzie. These partnerships have contributed to the development and refinement of his patented methods.

Conclusion

Kenneth Leslie Agnew's contributions to the field of metallurgy through his innovative patents reflect his expertise and dedication to improving metal extraction processes. His work continues to influence the industry and showcases the importance of innovation in advancing technology.