Company Filing History:
8 out of 433 
1 out of 37 
Years Active: 2000-2011
Title: Aurélio Medina Dubois: Innovator in Fluid Catalytic Cracking Technologies
Introduction
Aurélio Medina Dubois is a notable inventor based in Rio de Janeiro, Brazil, recognized for his significant contributions to fluid catalytic cracking processes through his six patents. His innovations are pivotal in enhancing efficiency and reducing complications in industrial applications, particularly in the petroleum sector.
Latest Patents
Dubois' recent patents showcase his expertise in improving the operational efficiency of fluid catalytic cracking systems. One of his innovative patents is a **Sealing System for Cyclone Leg**, which introduces a terminal leg configuration devoid of moving parts. This design employs a long-radius curve to redirect the flow of catalyst, thereby preventing the entry of gaseous phases into the leg while efficiently sealing and avoiding the packing down of particulates.
Another important patent is the **Process for Disengaging Solid and Gaseous Particles in FCC Processes with Reduced Coke Formation in Disengager Vessels**. This breakthrough offers an improved system comprising legless cyclones fitted with external collector pipes. This design optimizes gas purge from the disengager vessel, minimizing hydrocarbon retention time that can lead to overcracking and coke formation. The positioning of the collector pipes further reduces catalyst release into subsequent cyclone stages, showcasing Dubois' innovative approach to refining FCC processes.
Career Highlights
Throughout his career, Aurélio Medina Dubois has made significant strides while working at **Petroleo Brasileiro S.A. (Petrobras)**. His role in this leading energy company allowed him to refine his skills and contribute valuable inventions to the field of chemical engineering, particularly in applications concerning fluid catalytic cracking.
Collaborations
Dubois has collaborated with esteemed colleagues, including **José Geraldo Furtado Ramos** and **Wilson Kenzo Huziwara**. These partnerships have further propelled his research and development initiatives, which focus on enhancing the operational methodologies within the petroleum industry.
Conclusion
Aurélio Medina Dubois stands out as a pioneering inventor whose patents profoundly impact the fluid catalytic cracking industry. His innovative sealing systems and processes not only improve efficiency but also address critical issues such as coke formation and catalyst management. As the industry evolves, Dubois' contributions will undoubtedly continue to influence advancements in petroleum technology.