Gebhard Bandel

Title: Exploring the Innovations of Inventor Gebhard Bandel

Introduction

Gebhard Bandel, based in Frankfurt am Main, Germany, is a notable inventor known for his significant contributions to the field of metallurgy. With a total of four patents to his name, Bandel has developed innovative processes aimed at enhancing the recovery of valuable metals, particularly in ores that contain arsenic.

Latest Patents

Among Gebhard Bandel's latest patents, the process for treating ore with recoverable metal values, including arsenic-containing components, stands out. This patent describes a roasting method for ores with metal values, such as precious metal ores, aimed at recovering these values while converting arsenic into an insoluble form. This innovative approach employs additives, such as iron, and utilizes both initial and supplemental oxygen injection within a roaster, specifically designed for circulating fluid bed roasting. Furthermore, the volatilized arsenic during the roasting process can be converted to an insoluble form in the gas phase using a two-stage roaster process, allowing for the removal of solids from the gas phase and contact with additives at high oxygen concentrations in the second stage. Another significant patent involves the roasting of refractory gold ores, which are treated with added fuels in an oxidizing atmosphere within a fluidized bed at temperatures ranging from 450 to 650°C, supplied with oxygen-containing gases. This method achieves low ignition and roasting temperatures by using sulfur, pyrite, or mixtures thereof as added fuels.

Career Highlights

Throughout his career, Gebhard Bandel has made notable contributions while working for several reputable companies, including Metallgesellschaft Aktiengesellschaft and Newmont USA Limited. His work has focused on improving processes for the treatment and recovery of metals, which are crucial in the mining and metallurgical industries.

Collaborations

Bandel has collaborated with esteemed professionals in his field, including Gurudas Samant and Anthony L. Hannaford. These partnerships have facilitated the sharing of knowledge and expertise, allowing for the advancement of innovative solutions within the industry.

Conclusion

Gebhard Bandel's inventive spirit and dedication to improving metal recovery processes have earned him recognition and respect in the world of metallurgy. His latest patents reflect a commitment to innovation that addresses both efficiency and environmental concerns, making him a significant figure in the continual evolution of this important field.