Company Filing History:
Years Active: 2019
Title: Innovations by Inventor Sho Shirai
Introduction
Sho Shirai is a notable inventor based in Tokyo, Japan, with a commendable record of two patents to his name. His inventive contributions primarily focus on advancements in water treatment and industrial processes, showcasing a dedication to improving environmental and operational efficiency.
Latest Patents
Sho Shirai's recent innovations include:
1. **Chromium-containing water treatment method**: This invention provides a cost-effective solution for treating chromium-containing water. It involves a reduction step where the chromium water is mixed with a liquid containing 5-50 ppm of hydrogen sulfide. The mixture is then adjusted to a pH of 3.5 or lower to effectively reduce the chromium. Following this, a precipitation separation step incorporates a neutralizing agent to adjust the solution's pH to 8-9, which allows for the effective precipitation and separation of reduced chromium as a hydroxide.
2. **Sulfuric acid adding facility and operation method**: This patent focuses on enhancing the operation of sulfuric acid supply pumps within a sulfuric acid adding facility. It describes a configuration where n+1 sulfuric acid adding pipes and supply pumps are installed, each with multiple diaphragms and discharge ports. This design significantly increases the maximum capacity and operational rate for adding sulfuric acid to an autoclave used in nickel oxide ore processing.
Career Highlights
Sho Shirai is currently affiliated with Sumitomo Metal Mining Company, Ltd., where he applies his expertise in metal mining and environmental treatment processes. His contributions are instrumental in developing technologies that optimize resource extraction and ensure compliance with environmental standards.
Collaborations
Throughout his career, Sho has had the opportunity to collaborate with esteemed colleagues such as Osamu Nakai and Hiroyuki Mitsui. These collaborations have fostered an environment of innovation, allowing for the cross-pollination of ideas and advancements in their respective fields.
Conclusion
As a dedicated inventor, Sho Shirai continues to make significant strides in developing practical solutions for enhancing industrial processes and environmental management. His patents reflect his commitment to innovation and the betterment of industry standards, making him a valuable asset in the field of invention.