Masahiko Kazama

Title: Masahiko Kazama: Innovator in Chemical Decontamination

Introduction

Masahiko Kazama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of chemical decontamination, holding a total of 2 patents. His work focuses on methods and apparatuses that enhance the efficiency and cost-effectiveness of decontamination processes.

Latest Patents

Kazama's latest patents include a chemical decontamination method and a chemical decontamination apparatus. The chemical decontamination method involves a reduction decontamination step, where a reduction decontamination solution is supplied to the target area. This is followed by a hydrogen peroxide decomposition step, which decomposes hydrogen peroxide in the solution. Finally, a metal ion removing step is conducted to eliminate metal ions from the solution. The apparatus is designed to prevent the deterioration of metal ion exchange resins while performing decontamination at a low cost and in a short time.

Another patent details a chemical decontamination method that includes a dissolution step. In this step, a radioactive insoluble substance containing a metal oxide is dissolved in a decontamination solution. This solution is then brought into contact with a cation-exchange resin to remove the metal ions. The dissolution step utilizes a reductive dissolution process with a decontamination solution containing formic acid, ascorbic acid, and/or erythorbic acid, along with a corrosion inhibitor.

Career Highlights

Kazama has worked with prominent companies such as Hitachi GE Nuclear Energy, Ltd. and Kurita Water Industries Ltd. His experience in these organizations has contributed to his expertise in chemical decontamination technologies.

Collaborations

Throughout his career, Kazama has collaborated with notable colleagues, including Naobumi Tsubokawa and Takashi Oohira. These collaborations have likely enriched his research and development efforts in the field.

Conclusion

Masahiko Kazama's innovative work in chemical decontamination has led to significant advancements in the industry. His patents reflect a commitment to improving decontamination methods and apparatuses, showcasing his role as a key inventor in this vital area of research.