Location History:
- Rheda-Wiedenbruck, DE (2008)
- Rheda-Wiedenbrueck, DE (2016)
- Rheda-Wiedenbrück, DE (2010 - 2023)
Company Filing History:
6 out of 153 
4 out of 177 
1 out of 1 
Years Active: 2008-2023
Title: Rolf Siefert: Innovator in Ammonia Oxidation and Nitric Acid Production
Introduction
Rolf Siefert is a notable inventor based in Rheda-Wiedenbrück, Germany. He has made significant contributions to the field of chemical engineering, particularly in the processes involving ammonia oxidation and nitric acid production. With a total of 12 patents to his name, Siefert's work has had a considerable impact on industrial applications.
Latest Patents
One of Siefert's latest patents is a method for oxidizing ammonia and a system suitable for this process. This system is designed to oxidize ammonia with oxygen in the presence of catalysts. It includes a reactor with supply and discharge lines for gas mixtures, a catalyst made from transition metal oxides, and a device to adjust the molar ratio of oxygen to ammonia. Another significant patent involves a method for removing nitrogen oxides (NO and NO₂) from the nitric acid production process. This apparatus treats process gas formed during nitric acid production through catalytic oxidation of ammonia, utilizing a two-bed catalyst system to effectively reduce NO concentrations.
Career Highlights
Throughout his career, Rolf Siefert has worked with prominent companies such as Thyssenkrupp Industrial Solutions AG and Uhde GmbH. His experience in these organizations has allowed him to develop and refine his innovative approaches to chemical processes.
Collaborations
Siefert has collaborated with notable professionals in his field, including Meinhard Schwefer and Michael Groves. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Rolf Siefert's contributions to the fields of ammonia oxidation and nitric acid production demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving industrial processes and addressing environmental challenges.