Location History:
- Karlstad, SE (1999 - 2000)
- Esbo, FI (2001)
Company Filing History:
Years Active: 1999-2001
Title: Innovations by Johan Engstrom in Pulping Technology
Introduction
Johan Engstrom is a notable inventor based in Karlstad, Sweden, recognized for his contributions to the field of pulping technology. With a total of seven patents to his name, Engstrom has developed innovative methods and systems that enhance the efficiency and effectiveness of pulp production.
Latest Patents
Engstrom's latest patents include a "System and method for treatment of cellulose-containing material prior to pulp digestion." This invention focuses on a process system and method for the preliminary treatment of disintegrated cellulose-containing material, such as wood chips, before pulp digestion. The system utilizes a process vessel that serves as both a chip bin and a pre-impregnation vessel. A sloping steaming vessel is arranged downstream to separate excess pre-impregnation liquid from the material, while also supplying steaming vapor generated from extraction liquor. This innovation is applicable in producing pulp for paper manufacture and other cellulose fiber applications.
Another significant patent is the "Method and device for the continuous cooking of pulp." This invention presents an improved approach to continuously cooking fiber material, where temperatures and alkaline levels are meticulously controlled across different zones of the digesting process. This optimization leads to reduced chemical consumption and enhanced heat economy, while also achieving superior pulp properties.
Career Highlights
Engstrom is currently associated with Kvaerner Pulping AB, where he continues to innovate in the field of pulp production. His work has significantly impacted the efficiency of processes used in the industry, making him a valuable asset to his company and the field at large.
Collaborations
Engstrom has collaborated with notable colleagues, including Vidar Martin Snekkenes and Krister Olsson, contributing to advancements in pulping technology through teamwork and shared expertise.
Conclusion
Johan Engstrom's innovative patents and contributions to pulping technology demonstrate his commitment to improving industrial processes. His work not only enhances the efficiency of pulp production but also supports sustainable practices in the industry.