Edith L Holder

Title: The Innovative Contributions of Edith L. Holder

Introduction

Edith L. Holder is a notable inventor based in Cincinnati, OH (US). She has made significant contributions to the field of environmental science, particularly in the treatment of municipal wastewater. Her innovative approach has led to advancements in the production of Class A biosolids, which are crucial for sustainable waste management.

Latest Patents

Edith L. Holder holds a patent for the "Thermo-oxidation of municipal wastewater treatment plant sludge for production of Class A biosolids." This process involves the use of hydrogen peroxide and thermo-oxidation to reduce volatile suspended solids, ensuring that the sludge meets the criteria for Class A biosolids. The method includes introducing waste activated sludge into a reactor, adjusting its concentration, mixing, pre-heating to an operating temperature between 65°C and 90°C, and then adding a 50% solution of laboratory-grade hydrogen peroxide. The contents are heated for at least four hours to achieve the desired treatment.

Career Highlights

Edith L. Holder is affiliated with the U.S. Environmental Protection Agency, where she applies her expertise in environmental engineering. Her work focuses on improving wastewater treatment processes, contributing to public health and environmental sustainability.

Collaborations

Throughout her career, Edith has collaborated with esteemed colleagues such as Makram T. Suidan and Richard C. Brenner. These partnerships have enhanced her research and development efforts in the field of wastewater treatment.

Conclusion

Edith L. Holder's innovative work in wastewater treatment exemplifies the importance of scientific advancements in environmental protection. Her contributions not only improve waste management practices but also promote public health and sustainability.