Jianguo Han

Title: Innovations of Jianguo Han in Gallium and Alumina Extraction

Introduction

Jianguo Han is a prominent inventor based in Beijing, China. He has made significant contributions to the field of materials science, particularly in the extraction of valuable metals from industrial byproducts. With a total of three patents to his name, Han's work focuses on improving extraction methods to enhance efficiency and reduce costs.

Latest Patents

One of Jianguo Han's latest patents is a method for extracting gallium from fly ash. This innovative process involves several steps, including crushing the fly ash, removing iron through magnetic separation, and using hydrochloric acid to create a leachate. The gallium is then adsorbed using macro-porous cationic resin, followed by a series of elution and masking steps to obtain a concentrated gallium product. This method simplifies the extraction process and significantly improves the efficiency of gallium recovery.

Another notable patent by Han is a method for preparing metallurgical-grade alumina using fluidized bed fly ash. This process includes removing iron through wet magnetic separation, reacting the fly ash with hydrochloric acid, and refining the aluminum chloride solution. The final steps involve crystallizing and calcining the aluminum chloride to produce high-quality alumina. This method is characterized by its simplicity, high extraction efficiency, and low production costs.

Career Highlights

Jianguo Han is currently employed at China Shenhua Energy Company Limited, where he continues to innovate in the field of materials extraction. His work has not only advanced the understanding of metal recovery from waste materials but has also contributed to more sustainable industrial practices.

Collaborations

Han collaborates with esteemed colleagues, including Zhaohua Guo and Cundi Wei. Their combined expertise enhances the research and development efforts within their projects.

Conclusion

Jianguo Han's innovative methods for extracting gallium and alumina demonstrate his commitment to advancing materials science. His contributions are paving the way for more efficient and sustainable industrial processes.