Kaaren K Haynes

Title: Kaaren K Haynes: Innovator in Pulp Bleaching Technology

Introduction

Kaaren K Haynes is a notable inventor based in Federal Way, WA (US). She has made significant contributions to the field of pulp and paper technology, particularly in the area of bleaching mechanical pulps. Her innovative methods have the potential to enhance the efficiency and effectiveness of pulp production.

Latest Patents

Kaaren holds a patent for a method titled "High temperature peroxide bleaching of mechanical pulps." This invention discloses a process for pulping mills that includes several steps. The first step involves providing cellulosic materials, such as wood chips, which are refined into pulp. The wood chips have an initial brightness level. The second step requires the introduction of a bleaching liquor into the refining system, which contains hydrogen peroxide and an alkali, such as magnesium hydroxide or soda ash. The third step involves holding the pulp with the bleaching liquor at a temperature ranging from about 85°C to about 160°C for a duration of approximately 2 to 180 minutes. The components of the bleaching liquor can be added at the first refiner or interstage between refiners.

Career Highlights

Throughout her career, Kaaren has worked with prominent companies in the industry. She has been associated with Weyerhaeuser Company Limited and North Pacific Paper Company, LLC. Her experience in these organizations has contributed to her expertise in pulp processing and bleaching technologies.

Collaborations

Kaaren has collaborated with several professionals in her field, including Roger O Campbell and Zeecha L Brooks. These collaborations have likely enriched her work and contributed to her innovative approaches in pulp bleaching.

Conclusion

Kaaren K Haynes is a pioneering inventor whose work in high temperature peroxide bleaching of mechanical pulps showcases her commitment to advancing pulp technology. Her contributions are significant in improving the efficiency of pulp production processes.