Wenqiu Zheng

Title: Innovator Wenqiu Zheng: Pioneering Oxygen Bleaching Methods

Introduction: Wenqiu Zheng, an accomplished inventor based in Beijing, China, has made significant contributions to the field of pulp bleaching. His innovative approach has led to the development of a method that enhances the efficiency of pulp bleaching while minimizing environmental impact.

Latest Patents: One of Wenqiu Zheng's notable patents is the "Oxygen Bleaching Method of Pulp." This method involves adding a solution formulated from magnesium salt and an activator to unbleached chemical pulp. The process includes stirring the mixture thoroughly and introducing oxygen for bleaching. The use of nano zero-valent metals as activators allows for the activation of low-concentration oxygen at low temperatures, generating peroxide anion radicals. This innovation results in efficient delignification without generating wastewater, reducing oxygen consumption to only 50-85% of the original process. The yield improves by 1.5-2.8% compared to traditional systems, and the pulp brightness is increased to 28-32° SR. Importantly, the magnesium salt used can be recycled and reused, further supporting sustainability in the industry.

Career Highlights: Wenqiu Zheng's career is marked by his association with Beijing Forestry University, where he conducts research and develops innovative solutions in the field of forestry and pulp processing. His work not only showcases his inventive capabilities but also demonstrates a commitment to advancing environmentally friendly technologies in the industry.

Collaborations: Throughout his career, Wenqiu Zheng has collaborated with esteemed colleagues such as Feng Xu and Xiaoyu Wang. Their combined expertise has contributed to significant advancements in research and innovation within the realm of pulp bleaching and processing.

Conclusion: Wenqiu Zheng stands out as a notable inventor with a strong focus on sustainable practices in the pulp industry. Through his innovative oxygen bleaching method, he demonstrates the potential for technology to improve efficiency while reducing environmental footprints. His work underscores the importance of innovation in creating sustainable solutions for modern challenges in industrial processes.