Ai Ishikawa

Title: Innovations by Ai Ishikawa in Wastewater Treatment

Introduction

Ai Ishikawa is a notable inventor based in Osaka, Japan. She has made significant contributions to the field of wastewater treatment through her innovative patents. With a total of two patents to her name, her work focuses on improving the efficiency and cost-effectiveness of microorganism immobilized carriers.

Latest Patents

One of Ai Ishikawa's latest patents is a microorganism immobilized carrier. This invention addresses the problem of creating a carrier that is easy for microorganisms to adhere to while also reducing manufacturing and operational costs. The solution involves a carrier that includes a carbon component and a resin, characterized by a zeta potential ranging from -25 mV to 0 mV. The carrier contains microorganisms, preferably nitrifying bacteria, adhered to its surface or interior.

Another significant patent is for a carrier designed to retain anammox bacteria for wastewater treatment. This invention aims to reduce the startup period required to achieve a nitrogen removal speed of 1 kg-N/m/day. The carrier includes carbon particles, specifically isotropic graphite particles, which have a zeta potential of -35 mV to 0 mV and an average particle size of 2 µm to 1000 µm.

Career Highlights

Ai Ishikawa has worked with Toyo Tanso Co., Ltd. and Toyo University, where she has further developed her expertise in the field of environmental engineering. Her innovative approaches have garnered attention and recognition within the industry.

Collaborations

Throughout her career, Ai has collaborated with notable colleagues such as Tetsuro Tojo and Tomoya Nakazono. These collaborations have contributed to her success and the advancement of her research.

Conclusion

Ai Ishikawa's contributions to wastewater treatment through her innovative patents demonstrate her commitment to improving environmental sustainability. Her work continues to influence the field and pave the way for future advancements.