Densifying of a bulk particulate material

摘要

An invention description a method of densifying a bulk particulate material includes at least partially confining the bulk particulate material, and rotating a rotatable member submerged under the bulk particulate material about an axis of rotation to cause movement of the material particles essentially towards or away from the axis or rotation, thereby to provide a densified bulk particulate material. The method is particularly suitable for densifying silica fume. The invention extends to apparatus for densifying a bulk particulate material.