Location History:
- Iirislahdenranta, FI (1994)
- Espoo, FI (1990 - 1998)
Company Filing History:
2 out of 230 
1 out of 14 
1 out of 30 Years Active: 1990-1998
Title: Krister Sannholm: Innovator in Sulfate Pulp Mill Technologies
Introduction: Krister Sannholm is a notable inventor based in Espoo, Finland, known for his significant contributions to the field of pulp and paper technology. With a total of four patents to his name, Sannholm has focused on developing innovative solutions aimed at enhancing the efficiency and environmental performance of sulfate pulp mills.
Latest Patents: One of Sannholm's latest patents introduces a novel approach to controlling the sulfidity of sulfate pulp mills. His method involves heating black liquor at elevated temperatures ranging from 190°C to 350°C, above the normal cooking temperature. This process allows for the adjustment of the sulfidity of the resulting white liquor by manipulating both the temperature and retention time of the heat treatment. By strategically separating sulfur compounds from black liquor, his invention aims to reduce sulfur emissions and offers several operational advantages. This method also incorporates pressure heat treatment, which can occur at various stages of the evaporation process.
Career Highlights: Throughout his career, Sannholm has been affiliated with well-respected companies, including Ahlstrom Corporation and Ahlstromforetagen Svenska AB. His work at these organizations has played a crucial role in advancing technologies related to pulp manufacturing and environmental management.
Collaborations: Sannholm has collaborated with talented individuals such as Olof Fagerlind and Juhani Hoikkala, contributing to the development and refinement of his innovative ideas. These collaborations have helped enhance his projects and have played a significant role in the successful realization of his patented technologies.
Conclusion: In summary, Krister Sannholm stands out as an influential inventor in the realm of sulfate pulp mill technology. His dedication to innovation and environmental sustainability continues to shape advancements in the industry, making him a key figure for future developments in pulp processing.