Robert John Fraser

Title: The Innovations of Robert John Fraser in Metal Sulfate Crystallization

Introduction

Robert John Fraser is a notable inventor based in Ontario, Canada, recognized for his contributions to the field of metallurgy and chemical processes through his innovative patented methods. With a total of four patents to his name, Fraser has made significant advances in the processes for crystallizing metal sulfates, which are essential in various industrial applications, including battery production.

Latest Patents

Fraser’s latest inventions revolve around the processes and methods for producing crystallized metal sulfates. One of his key innovations involves a process that allows for the production of crystallized metal sulfates from a metal ion-containing stream. This method includes receiving a stream from a metal processing plant and utilizing crystalization techniques to extract a metal sulfate from that stream. In addition, Fraser's techniques are aimed at enhancing a metal electrowinning process, crystallizing a metal ion-containing stream to produce crystallized metal sulfates in a mother liquor, with provisions for the recirculation of the mother liquor back into the process.

Another important patent focuses on generating metal sulfates by crystallizing those from an aqueous solution. This method yields crystallized metal sulfates while addressing the uncrystallized metal sulfate remaining in the mother liquor. The innovation includes methods for separating the crystallized product and manipulating the mother liquor to convert the uncrystallized sulfates into basic metal salts for further use. Notably, the crystallized metal sulfate produced could be battery-grade or electroplating-grade, marking an improvement in material quality for various applications.

Career Highlights

Throughout his career, Robert John Fraser has worked for reputable companies such as Hatch Ltd. and Northvolt AB. His roles in these organizations have been integral to the development of advanced chemical processes and have substantially contributed to his expertise in metal processing and crystallization techniques.

Collaborations

Fraser's work has also involved collaboration with esteemed colleagues, including Evangelos Stamatiou and Mark Joseph Machado. These partnerships have provided a platform for exchanging ideas and refining the innovative processes involved in metal sulfate crystallization.

Conclusion

Robert John Fraser has established himself as a leading inventor in the field of metal processing through his patents focused on crystallizing metal sulfates. His contributions are not only significant in enhancing industrial processes but also in ensuring that the resulting products meet the high standards required for battery and electroplating applications. As the industry continues to evolve, Fraser's inventions will undoubtedly play a vital role in shaping future advancements in metallurgy.