Anna-Kaisa Kontturi

Title: Anna-Kaisa Kontturi: Innovator in Lignosulfonate Recovery

Introduction

Anna-Kaisa Kontturi is a notable inventor based in Kerava, Finland. She has made significant contributions to the field of chemical engineering, particularly in the recovery of lignosulfonates from spent sulfite liquor. Her innovative approach has the potential to enhance the efficiency of lignosulfonate extraction processes.

Latest Patents

Anna-Kaisa Kontturi holds a patent for a process titled "Process for recovering lignosulfonates from spent sulfite liquor." This process involves extracting spent liquor with a liquid amine dissolved in a strongly polar ketone, such as methyl isobutyl ketone. The method effectively separates the lignosulfonate-bearing organic phase from the aqueous phase, allowing for the recovery of substantially sugar-free lignosulfonates. The process also includes regenerating the organic phase for further extraction, showcasing its efficiency and sustainability.

Career Highlights

Anna-Kaisa Kontturi is associated with Oy Tampella Ab, where she applies her expertise in chemical processes. Her work has been instrumental in advancing the understanding and application of lignosulfonate recovery techniques. With a focus on innovation, she continues to contribute to the field through her research and development efforts.

Collaborations

Some of her coworkers include Veli J Sarkkinen and Sirpa L Hamala. Their collaborative efforts have likely played a role in enhancing the research and development initiatives at Oy Tampella Ab.

Conclusion

Anna-Kaisa Kontturi is a pioneering inventor whose work in lignosulfonate recovery demonstrates her commitment to innovation in chemical engineering. Her contributions are paving the way for more efficient and sustainable industrial processes.