Xinghui Meng

Title: **Innovative Contributions of Xinghui Meng in Metal Recovery**

Introduction

Xinghui Meng, a prominent inventor based in Rapid City, SD, is recognized for his significant contributions to the field of metal recovery. With a total of five patents to his name, Meng has developed innovative processes that greatly enhance the extraction of valuable metals from various sources.

Latest Patents

Among his latest patents, Meng has introduced a groundbreaking method for the recovery of copper from its sulfides and other sources using halogen. This process allows for the extraction of copper and nickel from complex sulfides, ores, and scrap materials through leaching with a solution that includes halogen salts such as bromine or iodide. The technique is particularly effective when applied to chalcopyrite and pentlandite in an autoclave at temperatures ranging from 100 to 150 degrees Celsius.

Additionally, Meng has patented a process for the recovery of platinum group metals and rhenium from various materials. This method uses a leaching solution consisting of ammonium halogen salts, specifically iodide and bromide, in combination with oxygen and/or sulfuric acid. This innovative process is especially adept at extracting metals from spent catalysts containing precious materials and can be performed in an autoclave at temperatures ranging from 50 to 300 degrees Celsius.

Career Highlights

Xinghui Meng has had a remarkable career, with affiliations at reputable institutions such as the South Dakota School of Mines and Technology. His work has focused on the application of innovative techniques in metallurgical engineering, particularly in the realm of metal extraction, contributing significantly to advancements in this field.

Collaborations

Throughout his career, Meng has collaborated with notable professionals, including his coworker Kenneth N. Han. These collaborations have played an essential role in his research and the successful development of his patented processes.

Conclusion

Xinghui Meng's inventive approaches in the recovery of valuable metals showcase his commitment to innovation in metallurgical processes. His patents not only reflect his expertise as an inventor but also contribute to sustainable practices in resource recovery, further enhancing the value of spent materials and complex ores. As he continues to advance in his field, the impact of his work is likely to be felt for years to come.