Leonard N Lazarev

Title: Leonard N. Lazarev: Innovator in Radioactive Waste Recovery

Introduction

Leonard N. Lazarev is a notable inventor based in St. Petersburg, Russia. He has made significant contributions to the field of radioactive waste management. His innovative approaches focus on the extraction of valuable elements from liquid radioactive waste.

Latest Patents

Lazarev holds a patent for his work titled "Extraction processes and solvents for recovery of cesium, strontium, rare earth elements, technetium and actinides from liquid radioactive waste." This patent outlines a method for extracting cesium and strontium from aqueous acidic radioactive waste. The process involves using a complex organoboron compound and polyethylene glycol in an organofluorine diluent mixture. The patent also details the extraction of rare earth elements, technetium, and actinides using phosphine oxide in a hydrocarbon diluent.

Career Highlights

Lazarev is associated with the United States of America as represented by the Department of Energy. His work has been pivotal in advancing techniques for managing radioactive waste, which is crucial for environmental safety and resource recovery.

Collaborations

Lazarev has collaborated with notable colleagues such as Boris N. Zaitsev and Vyacheslav M. Esimantovskiy. Their joint efforts have contributed to the development of innovative solutions in the field of radioactive waste management.

Conclusion

Leonard N. Lazarev's contributions to the extraction of valuable elements from radioactive waste highlight his role as an important inventor in this critical field. His innovative methods and collaborations continue to influence advancements in environmental safety and resource recovery.