Shanghai Huayi Acrylic Acid Co., Ltd.

Shiqiang Feng

Yan Zhuang

Xiaodong Zhu

Jianxue Ma

Jingming Shao

Chunhua Qin

Xuemei Li

Kun Jiao

The present invention provides a complex oxide catalyst whose general formula is MoVCuWXYO/Z. reducing agent needs to be added into the catalyst during the preparation process of the active component of the catalyst and (or) molding process of the catalyst. Specifically, X is at least one selected from a group consisting of Nb, Sb, Sr, Ba and Te; Y is at least one selected from a group consisting of La, Ce, Nd, Sm and Cs; 'a' is ranging from 2 to 8; 'b' is ranging from 1 to 6; &#x201c;c&#x201d; is ranging from 0.5 to 5; &#x201c;d&#x201d; is ranging from 0.01 to 4; &#x201c;e&#x201d; is ranging from 0.01 to 4; f is determined by the oxidation state of the component element; Z is silicon powder; the reducing agent is C2&#x2dc;C6 diol or polyol.

Preparation process of a complex oxide catalyst and application thereof to the synthesis of the acrylic acid

Growing community of inventors

Shanghai, China

Shiqiang Feng