C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 5/00 (2006.01) C04B 18/14 (2006.01)
Patent
CA 2719468
Slags, including the harmful-substance-containing slags, are not directly melted but are neutralized and processed into eco-resource materials, so that the slugs can be effectively utilized to purify and revive a large area of polluted water without any burden on the environment. Predetermined proportions of a non-recyclable harmful-substance-containing unused slag selected from by-product slags produced during the refining of a metal such as iron, copper, or aluminum from an ore, a porcelain clay for ceramics, and a mineral clay for ceramics, such as a quartz powder or an alumina powder, are kneaded to form a clay material with a suitable size. The clay material is burnt in a burning oven for ceramics at a predetermined temperature for a predetermined period of time so that a liquid glaze can sufficiently penetrate into the inner region of the clay material, thereby forming a biscuit clay material. A liquid glaze produced by kneading a powder made from a crushed special natural stone with a glaze for ceramics in a predetermined ratio followed by aging is applied, for example, to the biscuit clay material. As a result, a harmful-substance-containing unused slag is neutralized and used as an eco-resource filter medium.
Kantokanzai Co. Ltd.
Robic
LandOfFree
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