Location History:
- Niihama, JP (2017)
- Ehime, JP (2019)
Company Filing History:
Years Active: 2017-2019
Title: Innovations in Nickel Recovery: The Contributions of Keiji Kudou
Introduction
Keiji Kudou, an accomplished inventor based in Ehime, Japan, has made significant strides in the field of nickel recovery. With a total of two patents to his name, his work demonstrates a commitment to enhancing the efficiency and purity of nickel production processes.
Latest Patents
Kudou's recent patents showcase innovative methods for nickel recovery and the production of high-purity nickel sulfate. The first patent involves a nickel recovery process that effectively reduces the nickel content remaining in byproducts generated during the electrolytic nickel manufacturing process by implementing chlorine-leaching. This process serves to simplify the cementation step, thus streamlining the overall procedure. In this nickel recovery step, nickel is extracted from various byproducts, including Sslurry, residue flaker, and chlorine-leached residue, utilizing an aqueous solution that contains specific concentrations of chlorine and copper.
The second patent details a method for producing high-purity nickel sulfate. This technique is centered around a selective impurity-element removal method designed to effectively eliminate magnesium from a nickel-containing solution. This method involves three main steps: carbonation, solid-liquid separation, and neutralization. Each step is meticulously crafted to ensure the successful production of nickel sulfate from the nickel-containing acid solution.
Career Highlights
Keiji Kudou currently works at Sumitomo Metal Mining Company, Ltd., a firm known for its dedication to mining and metallurgy, where he continues to refine and develop methods that enhance nickel recovery processes. His innovative contributions have positioned him as a noteworthy figure in his field.
Collaborations
Throughout his career, Kudou has collaborated with esteemed colleagues, including Hirofumi Shoji and Jiro Hayata. Their combined expertise fosters an environment of innovation and advancement in nickel recovery technologies, enabling the development of more efficient and effective methods.
Conclusion
In summary, with his patents and ongoing research, Keiji Kudou stands out as a pioneer in the realm of nickel recovery. His efforts illustrate the importance of innovation in advancing industrial processes, contributing to a more efficient and sustainable future in nickel production.