Cheng-Wen Wang

Title: **Cheng-Wen Wang: Innovator in Environmental Solutions**

Introduction

Cheng-Wen Wang is a notable inventor based in Beijing, China, recognized for his innovative approach towards environmental conservation. His focus on sustainable practices, particularly in the realm of solar cell manufacturing, has led him to develop a groundbreaking method for recovering fluoride from wastewater.

Latest Patents

Wang holds a patent for a process titled "Process for Recovery of Fluoride from Wastewater Produced in Crystalline Silicon Solar Cell Manufacturing." This innovative method addresses a significant environmental challenge faced by factories involved in crystalline silicon solar cell production. The patent details a systematic process that includes several key steps:

1. Collecting fluoride-containing wastewater into three distinct pools: acidic high-fluoride wastewater, acidic low-fluoride wastewater, and alkaline wastewater.

2. Adding a calcium compound to the acidic low-fluoride wastewater to create a calcium-containing solution.

3. Reacting a portion of this solution with the acidic high-fluoride wastewater to generate calcium fluoride particles.

4. Separately collecting the resulting calcium fluoride particles and the remaining mother liquor.

5. Diluting the mother liquor and introducing it into a fluidized bed reactor to form calcium fluoride crystals.

Career Highlights

Cheng-Wen Wang is affiliated with the Beijing Guohuan Tsinghua Environment Engineering Design & Research Institute Co., Ltd., where he contributes to advancing environmental engineering solutions. His work not only reflects his commitment to innovation but also highlights the crucial intersection between technology and environmental responsibility.

Collaborations

Wang collaborates with esteemed colleagues Yan Li and Hongxiang Fu, together driving research initiatives that push the boundaries of environmental engineering. This collaboration fosters an environment of creativity and shared knowledge, further enhancing the impact of their collective work.

Conclusion

Cheng-Wen Wang stands out as an inventor dedicated to addressing pressing environmental issues through innovative solutions. His patent on recovering fluoride from wastewater exemplifies the potential for technology to contribute to a sustainable future. As industries continue to seek ways to mitigate their environmental footprints, innovators like Wang are essential in creating effective, eco-friendly processes.