Bert A Edstrom

Title: Bert A. Edstrom: Innovator in Wood Pulp Bleaching Technology

Introduction

Bert A. Edstrom is a notable inventor based in Njurunda, Sweden. He has made significant contributions to the field of paper pulp processing, particularly in the bleaching of mechanical wood pulp. His innovative approach has led to advancements in the efficiency and effectiveness of pulp bleaching processes.

Latest Patents

Bert A. Edstrom holds a patent for a process for bleaching mechanical wood pulp with sodium hydrosulfite. This patent describes a paper pulp refining and bleaching process wherein the pulp is treated in one or more refiners with a sodium hydrosulfite bleach liquor in the presence of a strong alkali such as NaOH. The bleaching solution maintains an alkaline pH, preferably between 10 and 12, and the pulp is discharged from the refiner at a pH of about 5 to 6. This innovative process results in a brightness gain of at least 8 to 13 ISO points in the refiners.

Career Highlights

Bert A. Edstrom is associated with Morton Thiokol Inc., where he has applied his expertise in pulp processing. His work has contributed to the development of more sustainable and efficient methods in the paper industry.

Collaborations

Throughout his career, Bert has collaborated with notable colleagues such as Thomas Joachimides and Stephen H. Levis. These partnerships have fostered innovation and have been instrumental in advancing the technology related to pulp bleaching.

Conclusion

Bert A. Edstrom's contributions to the field of wood pulp bleaching exemplify the impact of innovative thinking in industrial processes. His patented methods continue to influence the paper industry, showcasing the importance of research and development in achieving greater efficiency and sustainability.