Location History:
- Thornton, PA (US) (1990 - 1991)
- Glen Mills, PA (US) (1992 - 1994)
Company Filing History:
Years Active: 1990-1994
Title: Innovations of Catherine L. Markham
Introduction
Catherine L. Markham is a notable inventor based in Thornton, Pennsylvania. She has made significant contributions to the field of fluidized bed regeneration processes, particularly in the context of FCC (Fluid Catalytic Cracking) catalysts. With a total of six patents to her name, her work has had a substantial impact on reducing emissions and improving efficiency in industrial processes.
Latest Patents
Catherine's latest patents include a "Low NO.sub.x FCC regeneration process and apparatus." This invention focuses on a method to reduce nitrogen oxides (NO.sub.x) emissions from an FCC regenerator operating in complete CO combustion mode. By lowering the average bed temperature, her process effectively minimizes hydrothermal catalyst deactivation. The design incorporates a dilute phase afterburning system that superheats the catalyst, allowing for the recovery and recycling of superheated catalyst back to the FCC reactor.
Another significant patent is the "Baffled FCC regeneration process and apparatus." This invention describes a method for dense phase, at least partially co-current, fluidized bed regeneration of FCC catalyst. The process allows for lateral flow of catalyst from a spent catalyst inlet to a regenerated catalyst outlet, improving regeneration efficiency and further reducing NOx emissions.
Career Highlights
Catherine L. Markham is currently employed at Mobil Oil Corporation, where she continues to innovate in the field of catalyst regeneration. Her work has been instrumental in advancing technologies that enhance operational efficiency and environmental sustainability in the oil and gas industry.
Collaborations
Throughout her career, Catherine has collaborated with esteemed colleagues such as Gregory P. Muldowney and Joseph A. Herbst. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Catherine L. Markham's contributions to the field of fluidized bed regeneration processes have made her a prominent figure in the industry. Her innovative patents reflect her commitment to improving efficiency and reducing emissions in industrial applications.
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