Keith Hanchett

Title: Keith Hanchett: Innovator in Calcium Carbonate Processing

Introduction

Keith Hanchett is a notable inventor based in Emmaus, PA (US). He has made significant contributions to the field of calcium carbonate processing, particularly in the context of the kraft pulp mill industry. His innovative methods have improved the efficiency and effectiveness of causticization processes.

Latest Patents

Hanchett holds a patent for a method titled "Lime causticization product brightness improvement via pre-slaking." This invention focuses on obtaining particulate calcium carbonate that exhibits improved brightness and color, while ensuring uniformity of size. The method minimizes the time required to separate the particles from the liquors in which they are suspended, maximizing the amount of liquor recovered with minimal dilution by water used for washing. The steps involved in this method include slaking calcium oxide, mixing slaked lime with green liquor, separating lime mud from white liquor, and milling a portion of the lime mud for use as a white mineral pigment.

Career Highlights

Throughout his career, Keith Hanchett has worked with reputable companies such as Specialty Minerals Inc. and Specialty Minerals (Michigan) Inc. His experience in these organizations has allowed him to refine his expertise in mineral processing and contribute to advancements in the industry.

Collaborations

Hanchett has collaborated with notable professionals in his field, including Joseph Andrew Sohara and David Peters. These collaborations have further enriched his work and have led to innovative solutions in calcium carbonate processing.

Conclusion

Keith Hanchett's contributions to the field of calcium carbonate processing through his innovative patent demonstrate his commitment to improving industrial processes. His work continues to influence the kraft pulp mill industry and showcases the importance of innovation in enhancing product quality and operational efficiency.