Company Filing History:
Years Active: 1999-2000
Title: The Innovative Ventures of William Johnson
Introduction
William Johnson, an accomplished inventor based in Yardley, PA, is known for his significant contributions to the field of chemical processing. With two patents to his name, Johnson has developed innovative methods that address environmental concerns in precious metal recovery.
Latest Patents
Among his latest inventions is the patent for a "Method for treating tailing slurries with Caro's acid." This process involves the treatment of precious metal tailing slurries using Caro's acid, coupled with reduced amounts of Caro's acid mist. The process consists of creating a hot Caro's acid mixture by reacting concentrated sulfuric acid with hydrogen peroxide, which is then quenched with water to minimize or eliminate Caro's acid mist. The cooled and diluted mixture is subsequently introduced into a precious metal tailings slurry, effectively reducing the amount of cyanide values present.
In addition, Johnson holds a patent for a "Method for producing Caro's acid," which focuses on reducing or eliminating Caro's acid mist generated during the production of a hot mixture involving sulfuric acid and hydrogen peroxide. This innovative approach also incorporates quenching the hot mixture with water to cool and dilute the acid.
Career Highlights
William Johnson is currently employed by FMC Corporation, where he utilizes his expertise to drive advancements in the field of chemical solutions. His career has been marked by a commitment to improving processes that not only enhance recovery efficiency but also address environmental impacts.
Collaborations
Throughout his career, Johnson has collaborated with several esteemed professionals, including Harry M. Castrantas and James L. Manganaro. These partnerships have facilitated the sharing of knowledge and techniques that further enhance the innovative solutions offered by FMC Corporation.
Conclusion
William Johnson's contributions to the field of chemical processing exemplify the impactful role that inventors play in addressing environmental challenges in industry. His patents reflect a forward-thinking approach that not only improves recovery processes but also sets a precedent for sustainable practices in precious metal recovery.