D R Nagaraj

Title: Innovations by D R Nagaraj in Mineral Processing

Introduction

D R Nagaraj, a prolific inventor based in Stamford, CT, has made significant contributions to the field of mineral processing. With a remarkable portfolio of 20 patents, his work mainly focuses on the separation and purification processes of various minerals, particularly kaolin clays. His innovative approaches utilize unique chemical reagents and processing techniques to enhance mineral quality and efficiency.

Latest Patents

Among his latest patents is the "Process and reagent for separating finely divided titaniferrous impurities from Kaolin." This invention features a mineral beneficiating reagent that contains an alkyl hydroxamic acid or its salts combined with a nonionic surfactant. The alkyl hydroxamic acid is represented by the formula: R—C(=O)N(R″)—OM, where R symbolizes various types of hydrocarbon chains, making it broadly applicable in different contexts. The nonionic surfactant can encompass known compounds like ethoxylated alcohols, esters, and polyethylene oxide copolymers, which facilitate the process.

Another significant patent is the "Process for removing impurities from kaolin clays," which outlines a comprehensive method involving the blunging of clay with dispersing agents, conditioning with hydroxamic acid, and flocculating the dispersion with a water-soluble polymer. This method ensures the effective removal of impurities, resulting in a purified clay product.

Career Highlights

D R Nagaraj has held pivotal positions in reputable organizations such as American Cyanamid Company and Cytec Technology Corporation. His expertise in mineral processing and chemical engineering has allowed him to develop innovative solutions that have significantly impacted the industry.

Collaborations

Throughout his career, Nagaraj has collaborated with notable professionals, including Samuel S Wang and Alan S Rothenberg. These partnerships have fostered innovative ideas and accelerated the development of new technologies, enhancing the overall effectiveness of mineral processing methods.

Conclusion

D R Nagaraj’s dedication to innovation in mineral processing is evident through his extensive patent portfolio and successful collaborations. His contributions not only advance the technology surrounding kaolin clays but also set a precedent for future innovations in the field. Through continued research and development, Nagaraj remains a key figure in enhancing mineral beneficiation processes.