Basf Corporation

Timothy M Young

Sharad Mathur

Kenneth Warren Folmar

Michael B Sigman

This invention is directed to a method of stabilizing high solid slurries, like kaolin slurries, the method comprises causticizing the sodium polycrylate or polyacrylic acid used in a dispersant blend to a pH of above 9. The method comprises a homogeneous dispersant blend of sodium carbonate, sodium polyacrylate, sodium silicate, and sodium hydroxide. This invention is also directed to a method of stabilizing high solid slurries, like kaolin slurries, by adding sodium polyacrylate at an acidic pH range or polyacrylic acid solution to the slurries: and adding a blend of soda ash and sodium silicate to the slurries.

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Dublin, GA, United States of America

Timothy M Young