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A novel method, that the precursor is burnt in argon without further reduction to directly prepare metallic catalyst, is developed using low-valued by-product. Rice husk not only contributed as catalyst support, but also as reductant and fuel. The XRD, TPR and TG-DTA analysis prove that Cu phase in the as-burnt catalyst is almost reduced to metallic Cu 0 . The as-prepared catalysts exhibit higher activity and methanol selectivity than those prepared by a conventional impregnation method. Thisdoi:10.1016/j.catcom.2016.10.011 fatcat:y3yy75boc5fx7arxw6k5o5vaae