| Edgar Stanley Freed | |
|---|---|
 Portrait of E. S. Freed | |
| Born | (1889-08-08)August 8, 1889 Mount Pleasant, Pennsylvania, U.S. |
| Died | November 2, 1950 (aged 61) María Elena, Antofagasta, Chile |
| Nationality | American |
| Education | University of Tennessee (B.S.), MIT (M.S., PhD) |
| Alma mater | University of Tennessee, MIT |
| Occupation | Chemical Engineer |
| Known for | Creation of the solar evaporation system, Freed cement, and study of caliche ore by-products |
| Spouse | Amalia González |
Edgar Stanley Freed was an American engineer known for his significant contributions to the nitrate extraction industry. He played a pivotal role in the development of solar evaporation ponds, a groundbreaking technology in the 1940s, which remains a critical component in the production processes of iodine and specialty fertilizers. His work, including the creation of the Solar Evaporation System, Freed Cement, and the study of caliche by-products, has left a lasting legacy in the non-metallic mining industry.
Freed was born on August 8, 1889, in Mount Pleasant, Pennsylvania. He attended the University of Tennessee, where he earned a Bachelor of Science in Chemistry in 1912, gaining a strong reputation in theoretical chemistry among both students and faculty. After graduation, he remained at the university for two more years, assisting in teaching and completing postgraduate work, and received the degree of Chemical Engineer in 1914. In the fall of 1914, Freed enrolled at the Massachusetts Institute of Technology for graduate studies, where he obtained a Master of Science degree in 1916 and a Ph.D. in Chemistry in 1918.
Selected publications
Freed made significant contributions to the fields of chemistry and engineering through his research and publications. The following is a selection of his notable works:
- Freed, Edgar Stanley (1913). The Examination of Tennessee Zinc Blends for Indium. University of Tennessee.
- "A Thermodynamic Investigation of Reactions Involving Silver Sulfide and Silver Iodide" (co-authored with Arthur Amos Noyes, 1920).
- Burdick, Charles L.; Freed, E. Stanley (March 1921). "The Equilibrium Between Nitric Oxide, Nitrogen Peroxide and Aqueous Solution of Nitric Acid". Journal of the American Chemical Society. 43 (3): 518–530. doi:10.1021/ja01436a015. ISSN 0002-7863.
- The Paper Maker. Paper makers chemical corporation. 1933.
- "The Guggenheim Process for Nitrate Recovery and Some Remarks on the Possibilities of By-products" (1942).
References
- "Mining Month: SQM Iodine Plant Nutrition presented literary work highlighting scientist Stanley Freed". SQM. Retrieved 2024-08-21.
- Espejo Leupin, Patricio (2021). Edgar Stanley Freed, los Guggenheim y la Industria del Salitre. Chile: Pampa Negra Ediciones. ISBN 978-956-404-470-5.
- Noyes, Arthur A.; Freed, E. Stanley (March 1920). "A Thermodynamic Investigation of Reactions Involving Silver Sulfide and Silver Iodide". Journal of the American Chemical Society. 42 (3): 476–487. doi:10.1021/ja01448a013. ISSN 0002-7863.
- Anales Del Primer Congreso Panamericano de Ingeniería de Minas Y Geología (in Spanish). S n. 1942.
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