Kunio Kamiya

Title: Kunio Kamiya: Innovator in Nuclear Waste Treatment

Introduction

Kunio Kamiya is a distinguished inventor located in Hitachi, Japan, known for his innovative work in the field of nuclear waste treatment. With a total of nine patents to his name, Kamiya has significantly influenced the management of radioactive materials, especially in the context of energy production from atomic power plants.

Latest Patents

Among his most recent patented innovations, one major patent describes a process for treating waste gas in the reprocessing of used nuclear fuel. This innovative method involves the removal of explosive gaseous substances, such as hydrocarbons and nitrogen oxides, alongside condensible substances like carbon dioxide, water, and ammonia. Following this, the waste gas undergoes cryogenic distillation to separate and recover Kr-85. This method ensures the safe operation of the apparatus by eliminating substances that could potentially cause explosions or clogs in the piping system.

Another noteworthy patent pertains to the treatment of detergent-containing radioactive liquid wastes. In this process, a concentrated detergent solution from atomic power plants is dried in a thin film evaporator and converted into a powder. To mitigate foaming during processing, powdered activated carbon is added, based on the concentration of chemical oxygen demand (COD) in the waste. The end product, with no more than 15 wt. % moisture content, is pelletized and stored safely.

Career Highlights

Kunio Kamiya has dedicated his career to advancements in the nuclear energy sector, working with companies such as Hitachi, Ltd. and Nippon Engelhard Ltd. His contributions to the industry have not only improved waste treatment processes but have also fostered safer operational practices in energy generation.

Collaborations

Throughout his career, Kamiya has collaborated with notable individuals such as Hideo Yusa and Makoto Kikuchi, enhancing the depth of research and development in his areas of expertise. These collaborations have played a crucial role in bringing innovative solutions to complex challenges in the field of nuclear waste management.

Conclusion

Kunio Kamiya's expertise and inventive spirit have made significant contributions to the field of nuclear waste treatment. His patented processes demonstrate a commitment to safety and efficiency, ensuring that advancements in energy production remain both innovative and responsible. With a robust portfolio of patents, Kamiya continues to be a prominent figure in the realm of environmental engineering related to nuclear energy.