Company Filing History:
Years Active: 2023
Title: Innovations by Inventor Stefan Federhen
Introduction
Stefan Federhen is a notable inventor based in Hirschberg, Germany. He has made significant contributions to the field of concrete technology, particularly in the areas of carbonating concrete waste and exhaust gas scrubbing. With a total of 2 patents, his work focuses on sustainable practices in construction and environmental management.
Latest Patents
Federhen's latest patents include a process and device for carbonating concrete waste and/or sequestering CO. This method involves grinding concrete fines obtained from crushed concrete demolition waste in a mill at a temperature slightly above the water dew point in a carbonating atmosphere. The process circulates the ground and partially carbonated concrete fines in a fluidized bed reactor, allowing for the withdrawal of decarbonated gas and carbonated concrete fines. Another significant patent is a method for scrubbing exhaust gas from CO and/or SO. This method utilizes recycled concrete fines as a waste material rich in carbonatable Ca and/or Mg phases, which reacts with exhaust gases at controlled humidity and temperature levels to purify the exhaust.
Career Highlights
Throughout his career, Stefan Federhen has worked with prominent companies such as Hconnect 2 GmbH and HeidelbergCement AG. His experience in these organizations has allowed him to develop and refine his innovative approaches to concrete technology and environmental sustainability.
Collaborations
Federhen has collaborated with talented individuals in his field, including Jan Skocek and Maciej Zajac. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Stefan Federhen's contributions to the field of concrete technology and environmental sustainability are noteworthy. His innovative patents reflect a commitment to improving construction practices and reducing environmental impact.