Preparation of a Catalyst from Waste Wood that has been treated with Preservative

概要

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At present, most architectural waste is disposed of without recycling because it includes waste wood treated with noxious chemicals. One of the most noxious chemical compounds is CCA, a mixture of copper (Cu), chromium (Cr) and arsenic (As) . CCA combines with polysaccharides such as wood cellulose to form chemical compounds that have low solubility in water, thus, preventing wood corrosion. In this study, we noticed that the copper and chromium that are included in CCA have catalytic activity. We prepared a charcoal sample by carbonization of some wood treated with CCA and examined the catalytic activity for methanol steam reform and characteristics of the prepared charcoal as a catalytic support agent. The methanol steam reform activity of the charcoal from the CCA-treated wood was relatively low, but, immersed in copper solution, the same charcoal showed high catalytic activity.
一般社団法人廃棄物資源循環学会の論文