Company Filing History:
1 out of 238 
1 out of 17 Years Active: 1981-1982
Title: Ulrich Riege: Innovator in Radioactive Waste Management
Introduction
Ulrich Riege is a notable inventor based in Linkenheim-Hochstetten, Germany. He has made significant contributions to the field of radioactive waste management, holding 2 patents that focus on innovative methods for solidifying aqueous radioactive wastes. His work is crucial in ensuring safe and non-contaminating storage of hazardous materials.
Latest Patents
Riege's latest patents include a method for solidifying high and medium radioactivity and/or actinide-containing aqueous waste concentrates. This method involves evaporating waste concentrates to achieve a water content between 40 and 80 percent by weight. The solid content, which consists of metal ions and/or metal oxides, ranges from 10 to 30 percent by weight of the evaporate. The pH of the evaporate is maintained between 5 and 10. The resulting evaporate is pelletized using a clay-like substance, followed by heat treatment at various temperatures to form practically undissolvable mineral phases. The final product is enclosed in a dense, continuous ceramic or metallic matrix, ensuring its stability and safety.
Career Highlights
Throughout his career, Ulrich Riege has worked with prominent organizations such as the Kernforschungszentrum Karlsruhe GmbH and the Kernforschungszentrum Karlsruhe Gesellschaft mit beschränkter Haftung. His expertise in radioactive waste management has positioned him as a key figure in the field.
Collaborations
Riege has collaborated with notable professionals, including Knut Scheffler and Rainer Koster, contributing to advancements in waste management technologies.
Conclusion
Ulrich Riege's innovative methods for solidifying radioactive wastes demonstrate his commitment to environmental safety and technological advancement. His contributions are vital for the future of waste management in the nuclear industry.