China Petroleum Chemical Corporation

Shanghai Research Institute of Petrochemical Technology, Sinopec

Changxi Miao

Jian Min Jiang

Lei Song

Tong Chen

Sheng Wu

Dongyu Jiang

Wenhai Wu

Zhigui Fan

Tieqiang Zeng

Chunjing Ma

Chunling Wei

Junping Ni

This invention relates to an alkylating process for alkyl benzenes, including the steps of: a) an alkyl benzene and a first stream of alkylating agent being fed into a first reaction zone, contacting with a catalyst A, to produce a process stream I; b) the process stream I and a second stream of alkylating agent being fed into at least one second reaction zone, contacting with a catalyst B, to produce a process stream II; and c) the process stream II being fed into at least one third reaction zone, contacting with a catalyst C, to produce a process stream III containing an alkylate. The present alkylating process can improve the utilization efficiency of the alkylating agent.

Alkylating process for alkyl benzenes

The present disclosure provides a catalyst for oxidative dehydrogenation of butene to butadiene, comprising at least one compound of formula ZnAlMFeO.Z(&#x3b1;-FeO), wherein M is at least one element chosen from Be, Mg, Ca, Sr, Mn, Ba, Cu, Co, and Ni, Z represents the percentage by weight of &#x3b1;-Fe2O3 in the catalyst and ranges from 10% to 70%. Also provided herein is a process of preparing said catalyst and the use of said catalyst in an oxidative dehydrogenation of butene to butadiene processes.

Catalyst for the oxidative dehydrogenation of butene to butadiene and preparation process thereof

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Shanghai, China

Changxi Miao