David J Milne

Title: The Innovative Contributions of David J Milne

Introduction

David J Milne is a notable inventor based in North Balwyn, Australia. He has made significant contributions to the field of materials science, particularly in the treatment and production of alumina. With a total of four patents to his name, Milne's work has paved the way for advancements in the processing of aluminous materials.

Latest Patents

Milne's latest patents include a method for the treatment of aluminous materials, which involves a leaching process using acidic chloride solutions. This innovative approach reduces the iron content in lower-grade iron-containing bauxite ores, allowing for the extraction of valuable products such as metallurgical grade alumina and refractory grade bauxite. These products were previously only obtainable from higher-grade low-iron aluminous materials. Another significant patent focuses on the production of alumina, detailing a process for recovering alumina and soda from materials containing sodium aluminosilicates, such as red mud and desilication products. This process involves treating the materials with lime at elevated temperatures and pressures, and it integrates hydrothermal treatment of red mud with lime into the Bayer process to enhance overall efficiency.

Career Highlights

Throughout his career, David J Milne has worked with prominent companies, including Comalco Limited and Comalco Aluminum Limited. His experience in these organizations has contributed to his expertise in the field of materials processing and innovation.

Collaborations

Milne has collaborated with notable individuals in his field, including William H Andrews and Ronald W Moyle. These partnerships have likely enriched his work and led to further advancements in his research.

Conclusion

David J Milne's contributions to the field of materials science through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements in the treatment and production of alumina.