Yiwen Sun

Title: **Innovator Spotlight: Yiwen Sun from Shanghai, CN**

Introduction

Yiwen Sun is a distinguished inventor based in Shanghai, China, known for his contributions in the field of water treatment technology. With a total of three patents to his name, Sun is making strides in innovative methods for recovering water from produced water concentrate, particularly in the context of heavy oil recovery operations.

Latest Patents

Yiwen Sun's latest innovations revolve around the treatment of produced water, primarily from steam assisted gravity drainage (SAGD) or cyclic steam stimulation (CSS) heavy oil recovery processes. One of his key patents describes a method for treating produced water concentrate to optimize water re-use in steam production. This process involves the concentration of produced water using thermal treatment devices, where a solvent and a compound that includes multivalent cations are added. This leads to the precipitation of solids, which are subsequently separated and allows for the recovery of the solvent for further use.

Another significant patent by Sun addresses the treatment of produced water and the precipitation of solids from thermal treatment blowdown. In this method, the produced water is subjected to similar thermal treatment, resulting in a slurry of dissolved salts and organic compounds. By introducing a water-miscible solvent, such as methanol, the solids can again be precipitated and separated, allowing for enhanced efficiency in water recovery for steam generation.

Career Highlights

Throughout his career, Yiwen Sun has gained valuable experience working with reputable companies such as Bl Technologies, Inc. and General Electric Company. His work has significantly advanced the technology used in the treatment of produced water, showcasing his commitment to innovation in the field.

Collaborations

Sun has collaborated with talented individuals during his career, including his coworkers Jiyang Xia and Wenqing Peng. These collaborations have likely enriched his research and led to the development of advanced solutions in water treatment technologies.

Conclusion

Yiwen Sun’s contributions to the field of produced water treatment demonstrate the impact of innovative thinking on environmental sustainability and resource recovery. His patents not only reflect his expertise but also provide a pathway for improving efficiencies in heavy oil recovery operations, highlighting the importance of innovation in addressing global challenges.