Method for obtaining premullita Very reactive to kanditas TIR par -

摘要

Procedure for obtaining premullita from kanditas.In The Heat Treatment consists of natural Clays belonging to the group of the kanditas, nonsense or unwashed, temperatures immediately above the First Peak temperature, followed by an attack with Aqueous Solutions of Strong Alkalis in Concentrations higher than 5 per 100, temp Eraturas Between Environment and 100 CFiltering and washing with water or aqueous solution of alkali acid and drying of the solid material.