Company Filing History:
Years Active: 1990-1991
Title: Innovations of Bjorn H Svedin in Chlorine Dioxide Production
Introduction
Bjorn H Svedin is a notable inventor based in Sundsvall, Sweden. He has made significant contributions to the field of chemical engineering, particularly in the production of chlorine dioxide. With a total of 2 patents, Svedin's work has implications for various industrial applications.
Latest Patents
Svedin's latest patents focus on innovative processes for producing chlorine dioxide. The first patent describes a method that involves reacting an alkali metal chlorate, mineral acid, and a reducing agent in a reaction vessel. This process is conducted at temperatures ranging from about 50°C to about 100°C and at an acidity level between about 2 to about 11 N. The reaction medium is maintained under subatmospheric pressure, allowing for the evaporation of water. A mixture of chlorine dioxide and water vapor is withdrawn from the evaporation zone, while alkali metal sulfate is precipitated in the crystallization zone. The reducing agent used in this process is a mixture of formaldehyde and methanol.
The second patent also outlines a process for producing chlorine dioxide, utilizing an alkali metal chlorate, a mineral acid, and methanol as the reducing agent. Similar to the first patent, this process operates under specific temperature and acidity conditions. The method allows for the evaporation of water and the withdrawal of a mixture of chlorine dioxide, water vapor, and gaseous by-products from the reaction vessel. Additionally, the content of formic acid in the reaction vessel is increased by adding formic acid, which exceeds a concentration of about 0.3M. The gaseous by-products are condensed to obtain formic acid, enhancing the overall efficiency of the process.
Career Highlights
Bjorn H Svedin is currently employed at Eka Nobel AB, where he continues to innovate in the field of chemical production. His expertise in chlorine dioxide production has positioned him as a key figure in his company.
Collaborations
Svedin collaborates with talented coworkers, including Maria Norell and Birgitta Sundblad, who contribute to the research and development efforts at Eka Nobel AB.
Conclusion
Bjorn H Svedin's contributions to the production of chlorine dioxide through innovative processes highlight his role as a significant inventor in the chemical engineering field. His patents
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