Location History:
- 02570 Siuntio, FI (1988)
- Sjunde.ang., FI (1988 - 1989)
- Sjundea, FI (1988 - 1991)
- Helsinki, FI (1980 - 1996)
- Siuntio, FI (1983 - 1998)
Company Filing History:
7 out of 66 
5 out of 230 
3 out of 150 
Years Active: 1980-1998
Title: **Johan E Gullichsen: Innovator in Pulp and Paper Engineering**
Introduction
Johan E Gullichsen, based in Helsinki, Finland, is a renowned inventor known for his contributions to the pulp and paper industry. With an impressive portfolio of 20 patents, his work has focused on enhancing the efficiency and sustainability of pulp production processes.
Latest Patents
One of Gullichsen's recent inventions is the **Concentric Ring Fluidizing Mixer**. This innovative mixer is designed to effectively blend paper pulp with a bleaching gas containing a significant ozone content. The unique rotor configuration allows for optimal mixing efficiency within a medium consistency range of 6-15%. The rotor's design features a disc-shaped base, a central hub for drive connectivity, and one or more concentric rings that facilitate mixing. Additionally, the mixer includes degassing holes and a stator with precisely defined spaces to ensure thorough blending.
Another notable patent is focused on the **Minimal Effluents Discharge Pulp Mill with Chemical Recovery**. This invention provides a sustainable approach to managing effluents in cellulose pulp mills by concentrating and incinerating waste liquids in a recovery boiler. By removing harmful particles and balancing sulfur, chloride, and potassium levels, Gullichsen's design promotes environmental responsibility and operational efficiency in pulp production.
Career Highlights
Throughout his career, Gullichsen has made significant contributions while working with notable companies such as Kamyr AB and A. Ahlstrom Corporation. His experience in these organizations has shaped his understanding and innovation in the field of pulp and paper technology.
Collaborations
Gullichsen has also collaborated with esteemed colleagues, including Rolf C Ryham and Tuomo S Nykanen. Their collective expertise has fostered advancements in engineering solutions that address both technical challenges and environmental concerns within the industry.
Conclusion
Johan E Gullichsen's innovative spirit and dedication to improving pulp and paper processes have established him as a significant figure in the field. His numerous patents reflect his commitment to creating sustainable solutions that benefit both the industry and the environment. As technologies continue to evolve, Gullichsen's contributions will undoubtedly pave the way for future advancements in pulp and paper engineering.