Walter C Davidson

Title: Walter C. Davidson: Innovator in Rhodium Recovery

Introduction

Walter C. Davidson is a notable inventor based in Mahwah, NJ (US), recognized for his contributions to the field of chemical engineering. He holds three patents that focus on the recovery of noble metals, particularly rhodium, from carbonylation residues. His work is significant in enhancing the efficiency of chemical processes and promoting sustainable practices in the industry.

Latest Patents

Davidson's latest patents include innovative methods for the recovery of rhodium from carbonylation residues. These residues are generated during the production of acetic anhydride or ethylidene diacetate. His patented processes involve treating these residues with amines, preferably primary aliphatic amines and/or hydrazine, to free the rhodium values. This enables the extraction of rhodium through subsequent contact with an aqueous halogen acid. Additionally, he has developed methods for pretreating carbonylation residues with alkanols and concentrating them by evaporation to enhance the effectiveness of the amine treatments.

Career Highlights

Walter C. Davidson is associated with The Halcon Sd Group, Inc., where he applies his expertise in chemical processes. His innovative approaches have contributed to advancements in the recovery of valuable metals, showcasing his commitment to improving industrial practices.

Collaborations

Davidson has collaborated with notable colleagues, including Benjamin F. Fieselmann and Richard V. Porcelli. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Walter C. Davidson's work in the recovery of rhodium from carbonylation residues exemplifies his dedication to innovation in chemical engineering. His patents not only enhance industrial efficiency but also contribute to sustainable practices in metal recovery.