Company Filing History:
Years Active: 1985-1991
Title: Minoru Shiga: Innovator in Chemical Engineering
Introduction
Minoru Shiga is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of methods for removing harmful substances from aqueous solutions. With a total of eight patents to his name, Shiga's work has had a notable impact on environmental and industrial processes.
Latest Patents
One of Shiga's latest patents is a method for removing sulfate ions from an aqueous solution of alkali metal. This innovative technique involves bringing an aqueous solution containing sulfate ions and zirconium hydrous oxide into contact under acidic conditions. The sulfate ions are adsorbed by the zirconium hydrous oxide through an ion exchange reaction, allowing for efficient separation and subsequent desorption of sulfate ions into another aqueous liquid. This method enhances the speed and efficiency of the adsorption and desorption processes.
Another significant patent by Shiga is a method for controlling chlorates in an aqueous alkali metal hydroxide liquor produced by ion exchange membrane electrolysis. This method involves adding a reducing agent to brine to maintain chlorate concentrations at specified levels. The invention results in an alkali metal hydroxide liquor with a low content of chlorates, contributing to safer industrial practices.
Career Highlights
Minoru Shiga is associated with Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, where he has been instrumental in advancing chemical engineering solutions. His innovative approaches have not only improved industrial processes but have also addressed environmental concerns related to chemical waste.
Collaborations
Shiga has collaborated with notable colleagues, including Toshiji Kano and Yasushi Samejima. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of chemical engineering.
Conclusion
Minoru Shiga's contributions to chemical engineering through his patents demonstrate his commitment to innovation and environmental sustainability. His work continues to influence the industry and pave the way for future advancements in chemical processes.