Leonard Evans James

Title: **Leonard Evans James: A Pioneer in Ammonia Oxidation Technology**

Introduction

Leonard Evans James, an innovative inventor based in Richmond, VA, has made significant contributions to the field of ammonia oxidation technology. With a total of three patents to his name, his work primarily focuses on the development of catalysts that enhance the efficiency and durability of ammonia oxidation processes.

Latest Patents

One of his notable inventions is related to the **oxidation of ammonia over a mixed catalyst bed of cobalt and aluminum**. This invention presents a catalyst and a method for oxidizing ammonia by mixing ammonia with air over a catalyst composed of cobalt oxide, enhanced by the use of activated alumina. This advancement provides improved performance in the conversion of ammonia to nitric oxide, showcasing a durable catalyst that operates efficiently at higher rates than previously known catalysts.

Another significant patent attributed to James is the **process for making a cobalt oxide catalyst**. This process involves preparing an advanced cobalt oxide catalyst specifically for ammonia oxidation, which includes decomposing a cobalt compound like basic cobalt carbonate through heating. The catalyst is then saturated with cobalt nitrate solution and reheated to develop an active, durable cobalt oxide catalyst. The resulting catalyst not only exhibits a long lifecycle but also optimizes yields, especially when sourced from electrolytic grade cobalt.

Career Highlights

Throughout his career, Leonard Evans James has collaborated with major companies such as Allied Corporation and Allied Chemical Corporation, contributing his expertise in catalysis and chemical processes. His work has been instrumental in pushing the boundaries of ammonia oxidation technology.

Collaborations

During his tenure in the industry, James has worked alongside notable colleagues such as Lamberto Crescentini and William B. Fisher. Their collective efforts have played a crucial role in advancing the field of catalyst development, notably for ammonia oxidation applications.

Conclusion

In summary, Leonard Evans James stands out as a key inventor in the field of ammonia oxidation technology. His innovative patents and collaborative work have significantly impacted the efficiency and effectiveness of catalysts used in industrial applications. His contributions continue to resonate within the scientific and industrial communities, marking him as a pivotal figure in chemical engineering advancements.