Fredrick M Gragg

Title: Fredrick M Gragg: Innovator in Phosphoric Acid Production

Introduction

Fredrick M Gragg is a notable inventor recognized for his contributions to the field of chemical engineering, particularly in the production of phosphoric acid. He is based in Riverside, California, and holds a patent that showcases his innovative approach to reducing foaming in phosphoric acid production.

Latest Patents

Gragg's patent, titled "System for phosphoric acid production with decreased foaming," presents a novel system for preparing phosphoric acid from phosphate rock and sulfuric acid. This system includes a first reaction vessel containing a slurry of calcium sulfate hemihydrate, monocalcium phosphate, and phosphoric acid. Additionally, it features a second reaction vessel with a similar slurry, circulation means, and an agitator positioned within a draft tube. The design allows for efficient gas escape, thereby increasing the flow rate of phosphate rock and phosphoric acid into the first reaction vessel.

Career Highlights

Throughout his career, Fredrick M Gragg has worked with prominent organizations such as Occidental Research Corporation and Occidental Chemical Company. His experience in these companies has contributed significantly to his expertise in chemical processes and innovations.

Collaborations

Gragg has collaborated with notable colleagues, including John D Ellis and Allen S Adams, who have also made significant contributions to the field of chemical engineering.

Conclusion

Fredrick M Gragg's innovative work in phosphoric acid production exemplifies the impact of engineering advancements on industrial processes. His patent reflects a commitment to improving efficiency and reducing environmental impact in chemical manufacturing.