Hiroyuki Nakamura

Title: Hiroyuki Nakamura: Innovator in Selenium Removal Technologies

Introduction

Hiroyuki Nakamura is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of environmental technology, particularly in the removal of selenium from wastewater. With a total of seven patents to his name, Nakamura's work has garnered attention for its innovative approaches to addressing environmental challenges.

Latest Patents

Nakamura's latest patents include a method for removing selenium and an apparatus designed for the same purpose. The method involves a valence change step, where an oxidant is added to wastewater from facilities that gasify fuel containing selenium in a reducing atmosphere. This process oxidizes the selenium, changing its valence. Following this, a solid-liquid separation step is implemented, where a flocculant is added to the wastewater. This forms a floc containing the oxidized selenium, which is then subjected to solid-liquid separation. Another notable patent is related to cationized hydroxyalkylcellulose and the process for producing it.

Career Highlights

Throughout his career, Hiroyuki Nakamura has worked with several notable companies, including Daicel Chemical Industries, Ltd. and Mitsubishi Power Environmental Solutions, Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies.

Collaborations

Nakamura has collaborated with esteemed colleagues such as Tohru Shibata and Ichiro Okamoto. Their combined expertise has contributed to the advancement of environmental technologies and the successful development of Nakamura's patented methods.

Conclusion

Hiroyuki Nakamura's contributions to the field of selenium removal technologies highlight his innovative spirit and dedication to environmental sustainability. His patents reflect a commitment to finding effective solutions for pressing environmental issues.