Torolf Laxen

Title: Innovations by Torolf Laxen in Bleaching Technology

Introduction

Torolf Laxen is a notable inventor based in Helsingfors, Finland. He has made significant contributions to the field of cellulose pulp bleaching, holding two patents that showcase his innovative methods. His work focuses on utilizing ozone as a bleaching agent, which presents an environmentally friendly alternative to traditional bleaching processes.

Latest Patents

Laxen's latest patents include a method for bleaching medium consistency pulp with ozone. This method involves pumping cellulose pulp in the form of a fiber suspension, with a consistency range of 5 to 25%, using a high-consistency pump. The pulp is then introduced into a fluidizing mixture where oxygen and ozone-containing gas are mixed in. This process generates a foam that allows the pulp fibers to come into contact with ozone, effectively bleaching the pulp before it is discharged into a reaction vessel. Another patent details a similar process for bleaching medium consistency pulp with ozone using a pressurized fluidizing mixer, emphasizing the efficiency and effectiveness of his methods.

Career Highlights

Torolf Laxen is associated with Andritz Oy, a company known for its advanced technologies in the pulp and paper industry. His work at Andritz Oy has allowed him to develop and refine his innovative bleaching techniques, contributing to the company's reputation for excellence in sustainable practices.

Collaborations

Laxen has collaborated with notable colleagues such as Kaj Henricson and Juhani Peltonen. These partnerships have fostered a creative environment that encourages the development of cutting-edge solutions in the field of pulp bleaching.

Conclusion

Torolf Laxen's contributions to the pulp and paper industry through his innovative patents demonstrate his commitment to advancing sustainable practices. His work not only enhances the efficiency of bleaching processes but also promotes environmental responsibility in industrial applications.