Jianjun Tian

Title: **Innovations of Jianjun Tian: Pioneering Pollution-Free Recycling Technologies**

Introduction

Jianjun Tian is a notable inventor based in Beijing, China, recognized for his groundbreaking contributions to the field of recycling technologies. With a total of three patents to his name, Tian's work primarily focuses on developing methods that enhance the sustainability of waste materials, particularly in the metallurgical and electronic sectors.

Latest Patents

Two of Tian's most significant patents represent major advancements in pollution-free recycling processes. The first patent is a **pollution-free method for recycling iron-based grinding waste**. This innovative process leverages recycling economy technologies, specifically tailored for the metallurgical industry. By incorporating steps such as degreasing, heat treatment, and sieving, this method successfully transforms iron-based grinding waste into high-quality alloyed powders. Remarkably, over 95% of iron-based alloyed powders can be recycled from a wide range of sources, offering a low-cost solution with no secondary pollution and broad applications.

The second noteworthy patent is a **complete non-cyanogens wet process for green recycling of waste printed circuit boards**. This invention details a comprehensive approach to the recycling of waste printed circuit boards (WPCB). The process begins with the mechanical breakdown of WPCB, followed by the separation of mixed copper and nonmetallic powders through air classification. This allows for the recovery of valuable metals, achieving a recovery ratio of all-metal exceeding 98% and exceptionally pure cathode copper at the 4N level.

Career Highlights

Jianjun Tian currently works at the University of Science and Technology Beijing, where he applies his expertise in developing eco-friendly recycling technologies. His research contributes significantly to the advancement of sustainable practices within the industry, propelling numerous innovations that prioritize environmental conservation.

Collaborations

Throughout his career, Tian has collaborated with esteemed colleagues, including Shengen Zhang and Dean Pan. Together, they work towards further enhancing the efficiency and effectiveness of waste recycling techniques, demonstrating a strong commitment to advancing green technology in their respective fields.

Conclusion

Jianjun Tian's innovative patents highlight a dedication to addressing pressing environmental challenges through pollution-free recycling solutions. His work not only exemplifies the significant potential of recycling technologies in various industries but also illustrates the importance of collaboration in fostering advancements that benefit society and the planet.