James Andrew Finch

Title: James Andrew Finch: Innovator in Zinc Processing

Introduction

James Andrew Finch is a notable inventor based in Montreal, Canada. He has made significant contributions to the field of zinc processing, holding a total of 2 patents. His work focuses on innovative methods for producing zinc oxide and improving the efficiency of froth flotation processes.

Latest Patents

One of Finch's latest patents is titled "Production of zinc oxide from acid soluble ore using precipitation method." This invention relates to an apparatus and a process for producing zinc oxide from an acid-soluble zinc-bearing material. The process involves several steps, including leaching the zinc oxide material with sulfuric acid, precipitating iron and silica from the leach solution using calcium oxide, and removing impurities such as copper, cadmium, and cobalt. The final steps involve precipitating zinc oxide from the leach solution and upgrading the zinc content in the precipitates.

Another significant patent by Finch is related to "Column flotation." This invention addresses the froth flotation of ore in a column by controlling the froth/pulp interface level and the efficiency of the froth washing operation. The method includes measuring temperature profiles in the froth layer and slurry, comparing them with target profiles, and making necessary adjustments to the flow rates of tailings and washwater to maintain optimal conditions.

Career Highlights

Throughout his career, James Andrew Finch has worked with esteemed organizations such as McGill University and Noranda Inc. His experience in these institutions has allowed him to develop and refine his innovative techniques in zinc processing.

Collaborations

Finch has collaborated with notable colleagues, including Serge Payant and Anna-Maria Giove. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

James Andrew Finch is a distinguished inventor whose work in zinc processing has led to valuable patents and advancements in the field. His innovative approaches continue to influence the industry and showcase the importance of research and development in materials science.