Jochen Ullmann

Title: **Innovative Leaching Process for Precious Metals by Jochen Ullmann**

Introduction

Jochen Ullmann, an accomplished inventor based in Erlensee, Germany, has made significant contributions to the field of metallurgy through his innovative approaches to precious metal extraction. His passion for finding effective and environmentally friendly processes has led to a patented method aimed at improving the efficiency of gold and silver leaching from ores.

Latest Patents

Ullmann holds a patent for a method titled "Process for leaching of precious metals." This invention involves an aqueous leach solution containing cyanide, with a pH range between 8 to 13, that enhances the recovery of gold and silver from their ores and concentrates. Notably, this process employs an oxygen-releasing peroxo compound, specifically a peroxoborate compound, to optimize metal yield while minimizing the consumption of cyanide and oxidizing agents. The technique demonstrates advancements over previous methods utilizing hydrogen peroxide or calcium peroxide by providing a faster and more efficient extraction process.

Career Highlights

Jochen Ullmann's career is marked by his role at Degussa Aktiengesellschaft, a prominent player in the chemical industry. Throughout his tenure at the company, he has focused on innovating and developing new methodologies that address industry's challenges in precious metal recovery. His work has not only contributed to the company’s portfolio but also positioned him as a thought leader in the field of chemical engineering.

Collaborations

In the pursuit of innovative solutions, Ullmann has collaborated with esteemed colleagues including Manfred Diehl and Karl-Heinz Koenig. These collaborations have enriched the development processes and expanded the scope of their research efforts, fostering a productive environment for creative thinking and technological advancement.

Conclusion

Jochen Ullmann's inventive spirit and dedication to improving metal extraction processes underscore the importance of innovation in the metallurgy sector. His patented process not only enhances the efficiency of leaching precious metals but also promotes a reduction in toxic chemical usage, thus contributing to more sustainable mining practices.