Donna Johnson

Title: The Innovative Contributions of Donna Johnson

Introduction

Donna Johnson is a notable inventor based in Orono, Maine, recognized for her significant contributions to the field of chemical engineering. She has developed a unique process that enhances the bleaching of wood pulp, showcasing her expertise and innovative spirit.

Latest Patents

Donna Johnson holds a patent for a process employing magnesium hydroxide in peroxide bleaching of mechanical pulp. This innovative method utilizes hydrogen peroxide as the oxidative bleaching agent in the presence of magnesium hydroxide or magnesium oxide. The process is designed to eliminate the need for added caustic and silicate, allowing for bleaching to occur at or near a neutral pH of 5.0 to 8.5. This advancement not only improves the efficiency of the bleaching process but also promotes environmental sustainability.

Career Highlights

Donna is currently associated with Martin Marietta Magnesia Specialties, Inc., where she applies her knowledge and skills to further advancements in chemical processes. Her work has been instrumental in developing more efficient and eco-friendly methods in the industry.

Collaborations

Throughout her career, Donna has collaborated with talented individuals such as Mark T. Wajer and Aileen Gibson. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Donna Johnson's contributions to the field of chemical engineering, particularly in the area of wood pulp bleaching, highlight her role as an influential inventor. Her innovative processes not only advance industrial practices but also contribute to environmental sustainability.