Johannes A Janssen

Title: Innovations by Johannes A Janssen

Introduction

Johannes A Janssen is a notable inventor based in Schinveld, Netherlands. He has made significant contributions to the field of chemical processes, particularly in the removal of heavy metals and the recovery of uranium from phosphoric acid. With a total of six patents to his name, Janssen's work has had a considerable impact on environmental and resource recovery technologies.

Latest Patents

Janssen's latest patents include a process for the removal of heavy metals from acid phosphate-containing liquids. This innovative method involves forming a precipitate containing heavy metals, which is then separated. The process utilizes additives such as sulphate ions and calcium ions to create a calcium sulphate anhydride-containing precipitate. Another significant patent focuses on recovering a uranium-containing concentrate from wet process phosphoric acid. This process treats the acid with a precipitant in the presence of a reducing agent and an aliphatic ketone, resulting in a purified phosphoric acid and a uranium concentrate.

Career Highlights

Throughout his career, Johannes A Janssen has been associated with Stamicarbon B.V., a company known for its advancements in fertilizer technology. His work has contributed to the development of more efficient and environmentally friendly chemical processes.

Collaborations

Janssen has collaborated with notable colleagues such as Cornelis A Weterings and Louis H Ramakers. These partnerships have fostered innovation and have led to the successful development of various chemical processes.

Conclusion

Johannes A Janssen's contributions to the field of chemical engineering and environmental technology are commendable. His innovative patents reflect a commitment to improving processes that benefit both industry and the environment.