Location History:
- Gavel, SE (2016)
- Gävle, SE (2012 - 2020)
- Gavle, SE (2013 - 2023)
Company Filing History:
3 out of 3 
2 out of 2 
2 out of 111 
Years Active: 2012-2023
Title: An Insight into the Innovations of Fredrik Öhman
Introduction
Fredrik Öhman, an accomplished inventor based in Gävle, Sweden, has made significant contributions to the field of environmental technology through his innovative methods and inventions. With a total of five patents to his name, he is known for his detailed approaches to processing waste materials and enhancing sustainability in industrial applications.
Latest Patents
Fredrik's latest inventions showcase his commitment to improving efficiency in waste treatment and resource extraction. One of his notable patents is a "Method for oxidation of a liquid phase in a hydrothermal carbonization process." This method includes several steps such as preheating sludge with steam, hydrothermal carbonization, and the separation of fractions to enhance the quality of treated sludge while also recovering useful steam.
Another significant patent is the "Method for lignin separation from black liquor involving multiple acidification steps." This method innovatively facilitates the separation of lignin from black liquor through a two-phase precipitation process, wherein the acidified black liquor is held for optimal particle growth and enhanced filterability, making it a more effective process for lignin extraction.
Career Highlights
Throughout his career, Fredrik Öhman has worked with prominent companies such as Lignoboost AB and C-Green Technology AB. His roles at these organizations have allowed him to apply his innovative ideas in practical settings, contributing to advancements in green technology and waste management solutions.
Collaborations
In his professional journey, Fredrik has had the opportunity to collaborate with accomplished individuals like Per Tomani and Hans Theliander. These collaborations have undoubtedly enriched his work, providing a platform for sharing knowledge and driving further innovations within the industry.
Conclusion
Fredrik Öhman exemplifies the spirit of innovation and sustainability in his inventions. His patents are paving the way for more efficient waste treatment processes and contribute towards a greener future. With his continued commitment to research and development, Fredrik is set to make even more impactful contributions to the field of environmental technology.