Abstract
The main technical indexes of the second-generation of catalysts, Ru-Zn-Na2SiO3-PEG-10000, are as follows: conversion of benzene was 50%, selectivity of cyclohexene was over 80%, yield of cyclohexene was more than 42%, reached the second-generation of similar catalyst level abroad. Compared with the first generation amorphous alloy Ru-M-B/ZrO2, the second-generation catalyst belongs to the crystalline structure with better thermal stability and longer service life. Because of the modification of Na2SiO3-PEG-10000 on the surface of the catalyst, it has better catalytic activity and cyclohexene selectivity, the conversion rate of benzene increased by 10 percentage points, and the cyclohexene yield increased by 8 percentage points.
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