Abstract: A manufacturing method for ceramic microspheres including the steps of; mixing an oil which is immiscible with an aqueous solution of a water-soluble metallic compound and which has a boiling point higher than that of water in the aqueous solution; applying ultrasonic vibration to the mixed solution to form a water-in-oil type emulsion; heating the emulsion at a temperature less than a boiling point of water to evaporate free water from droplets in which the water-soluble metallic compound is dissolved and to disperse spherical particles of the water-soluble metallic compound in the oil phase; and thereafter heating the dispersed solution at a temperature higher than the temperature at which the water-soluble metallic compound is decomposed to form a metallic oxide but lower than the temperature at which grain growth in the metallic oxide starts, to evaporate and decompose the oil and to remove the oil therefrom, thereby obtaining the metallic oxide microspheres.

Abstract: A container for the storage and disposal of liquids, such as liquid fats, oils and suspended greases, comprising a receptacle with interior walls impervious and resistant to such liquids and, contained within the receptacle, material capable of absorbing such liquids which is comprised of one or more pads of absorbent material, such as paper or other fibrous or filamentary pulp products, aligned in adjacent planes, whereby a plurality of cavities is formed in the container to accept liquid introduced to the container for absorption by the absorbent material.