| 摘要 |
PURPOSE:To make aluminum dross harmless and recycle it as a filling material for reclamation by adding naturally produced shell fossil to aluminium dross generated from the aluminium refining process, and thermally treating the mixture. CONSTITUTION:About 100pts.wt. of aluminium dross containing nitrified aluminium or carbonated aluminium is mixed with about 10-200pts.wt., preferably about 20-50pts. of shell fossil containing organic acids such as humic acid. This mixture is baked at temperatures of 500-1,300 deg.C, preferably about 600-1,000 deg.C and further preferably, about 650-900 deg.C using a baking device such as kiln. If necessary the mixture is blended with lime, clay, etc. Consequently, aluminium dross produced from an industrial waste can be treated into non-pollution material through simple baking and utilized as a resource for land reclamation.
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