Functional rice husk as reductant and support to prepare as-burnt Cu-ZnO based catalysts applied in low-temperature methanol synthesis

Lei Shi, Pengfei Zhu, Ruiqin Yang, Xiaodong Zhang, Jie Yao, Fei Chen, Xinhua Gao, Peipei Ai, Noritatsu Tsubaki
2017 Catalysis communications  
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. This
more » ... thod may open a new way to prepare metallic catalysts without further reduction, especially for some catalytic reactions promoted by K, Ca, Mg and Mn.
doi:10.1016/j.catcom.2016.10.011 fatcat:y3yy75boc5fx7arxw6k5o5vaae