Company Filing History:
Years Active: 2017
Title: Innovations of Qile Shi in Solvent Refining Methods
Introduction
Qile Shi is a notable inventor based in Yantai, China. He has made significant contributions to the field of chemical engineering, particularly in the development of solvent refining methods for isocyanates. His innovative approach addresses critical challenges in the production process, enhancing both efficiency and quality.
Latest Patents
Qile Shi holds a patent for a "Solvent refining method for isocyanate prepared by phosgene method and devices used in same." This method involves a multistage absorbing tower that effectively refines solvents containing water, iron, phosgene, hydrogen chloride, and other color-affecting materials. The process ensures that the refined solvent meets stringent quality standards, with water content ≤50 ppm, iron content ≤5 ppm, and phosgene and hydrogen chloride content ≤20 ppm. The refined solvent significantly improves the L color of isocyanate, making it suitable for further applications.
Career Highlights
Qile Shi is associated with Wanhua Chemical Group Co., Ltd., where he has been instrumental in advancing chemical processes. His work has not only contributed to the company's innovation portfolio but has also positioned it as a leader in the chemical industry.
Collaborations
Qile Shi has collaborated with notable colleagues, including Hongke Zhang and Yu Yao. Their combined expertise has fostered a productive environment for innovation and development within their field.
Conclusion
Qile Shi's contributions to solvent refining methods exemplify the impact of innovative thinking in chemical engineering. His patent reflects a commitment to improving industrial processes and product quality. The advancements made by Qile Shi and his team continue to influence the chemical industry positively.