Company Filing History:
Years Active: 1976-1979
Title: Innovations and Contributions of David J Miller
Introduction
David J Miller is a notable inventor based in Gretna, Louisiana, who has made significant contributions to the field of chemical engineering. With a total of four patents to his name, Miller has focused on processes that enhance the extraction and separation of valuable metals from various solutions. His work is particularly relevant in industries that require efficient methods for metal recovery.
Latest Patents
Miller's latest patents include innovative processes for the removal of ferric iron from aluminum fluoride solutions and the solvent extraction of nickel from ammoniacal solutions. The first patent describes a method for selectively separating ferric iron from an aluminum fluoride aqueous solution using a specific mixture of phosphoric acids. This process is optimized by adjusting the temperature of the feed solution, which significantly improves the efficiency of ferric iron extraction. The second patent outlines a method for extracting nickel from ammoniacal solutions, utilizing an oxime or oxine compound to selectively extract nickel while leaving cobalt in the aqueous phase. This method not only recovers nickel effectively but also allows for the recycling of the extractant used in the process.
Career Highlights
Miller is currently employed at Freeport Minerals Company, where he applies his expertise in chemical processes to develop innovative solutions for metal extraction. His work has contributed to advancements in the field, particularly in improving the efficiency and sustainability of metal recovery methods.
Collaborations
Miller collaborates with Tadeusz K Wiewiorowski, a fellow professional in the field, to further enhance their research and development efforts. Their combined expertise allows for a more comprehensive approach to solving complex challenges in metal extraction.
Conclusion
David J Miller's contributions to the field of chemical engineering through his innovative patents demonstrate his commitment to advancing metal recovery processes. His work not only benefits the industry but also showcases the importance of innovation in addressing environmental and efficiency challenges.