Robert L Elder

Title: The Innovative Contributions of Robert L. Elder

Introduction

Robert L. Elder is a notable inventor based in Leadville, Colorado. He has made significant contributions to the field of precious metal recovery through his innovative processes. His work focuses on the efficient extraction of valuable metals from complex ores, showcasing his expertise and dedication to advancing mining technologies.

Latest Patents

Robert L. Elder holds a patent for an oxidation/reduction process aimed at recovering precious metals from refractory ores. This process involves leaching a feed with a leach liquor that includes acids such as HCl and H₂SO₄, in the presence of MnO₂ and a reductant. A crucial aspect of this method is the addition of a chloride ion source, which facilitates the dissolution of at least 50% of the precious metals present in the ore. The process also includes recycling a portion of the chloride carrier to enhance efficiency. Notably, HCl can be regenerated through pyrohydrolysis, minimizing harmful waste products and avoiding the use of noxious reagents.

Career Highlights

Robert L. Elder is associated with Leadville Silver and Gold, where he applies his innovative ideas to improve metal recovery processes. His work has not only contributed to the company's success but has also advanced the field of metallurgy. With a focus on sustainable practices, Elder's inventions reflect a commitment to environmental responsibility.

Collaborations

Throughout his career, Robert has collaborated with notable colleagues such as Fredrick N. Bender and James E. Reynolds. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Robert L. Elder's contributions to the field of precious metal recovery exemplify the impact of innovation in mining technology. His patented processes not only enhance efficiency but also promote sustainable practices in the industry. His work continues to inspire future advancements in the field.