process for preparing a bentonite powder
A method for preparing a timestable, low viscosity, high solids aqueous bentonite slurry, comprising: preparing an aqueous solution of a nondispersant salt of a monovalent ion wherein said salt comprises 1 to 35% by weight of said solution, and dispersing therein at least 8% by weight of a powdered bentonite, by low shear intermixing of ...