Juergen Loroesch

Title: Innovator Juergen Loroesch: Pioneering Alkali Metal Cyanide and Precious Metal Leaching Technologies

Introduction

Juergen Loroesch is a notable inventor located in Hanau-Steinheim, Germany, recognized for his substantial contributions to the field of chemistry, particularly in the development of innovative processes involving alkali metal cyanides and the leaching of precious metals. With four patents to his name, Loroesch has significantly advanced methodologies that enhance efficiency while reducing environmental concerns.

Latest Patents

Loroesch’s latest patents include:

1. **Process for Preparation of Alkali Metal Cyanide Granulates**

This invention presents a novel method for producing more reliable alkali metal cyanide granulates derived from sodium or potassium cyanide. The new granulates are characterized by their essentially spherical particles, reduced dust and caking tendencies, and an extended bulk density, offering significant improvements over commercial counterparts. The preparation involves fluidized bed spray granulation, which efficiently evaporates water from an aqueous solution containing alkali metal cyanide.

2. **Process for Leaching of Precious Metals**

In another innovative stride, Loroesch developed a process that enhances the leaching of gold and silver from ores and concentrates using an aqueous solution of cyanide. This technique, which operates at a pH range of 8 to 13, incorporates an oxygen-releasing peroxo compound, enabling a more efficient extraction of precious metals. The inclusion of a peroxoborate compound, such as sodium or calcium peroxoborate, enhances metal recovery rates while minimizing the consumption of harmful reagents.

Career Highlights

Loroesch's career is marked by his dedication to improving chemical processes. His role at Degussa Aktiengesellschaft underscores his commitment to advancing industrial practices. His inventive spirit has led to significant breakthroughs that not only optimize operational outcomes but also promote safer environmental practices in the use of cyanides.

Collaborations

Throughout his career, Loroesch has collaborated with fellow professionals such as Annette Ziegler and Helmut Knorre. These partnerships highlight his ability to work effectively within a team, leveraging diverse expertise to propel innovation and achieve common goals in the field of chemistry.

Conclusion

Juergen Loroesch stands out as a prominent inventor whose work continues to influence the chemical industry positively. His patents on alkali metal cyanide granulates and precious metal leaching processes exemplify how innovative thinking can lead to sustainable solutions. As he continues to explore new frontiers in chemical engineering, Loroesch's contributions are sure to leave a lasting impact.