A solid catalyst comprising rhodium and tellurium wherein the coordination number ratio (Rh-Te/Rh-Rh) measured in the Extended X-ray Absorption Fine Structure (hereafter indicated as "EXAFS") measurement at Rh-K edge is in a range between 50/50 and 99/1. A solid catalyst comprising rhodium and tellurium wherein the nearest atomic distance measured in EXAFS measurement at Rh-K edge is in a range between 2.74 and 3.00 Å. A solid catalyst comprising at least one 8th group metal M selected from Rh, Pt and Pd and Te wherein the atomic ratio between Te and M (Te / M) in the solid catalyst is from 0.45 to 1.4. A method for the production of unsaturated glycol diester in which conjugated diene reacts with carboxylic acid and molecular oxygen in the presence of solid catalyst comprising rhodium and tellurium in the liquid phase under pressure. A method for preparing the solid catalyst containing rhodium and tellurium comprising supporting rhodium compound and tellurium compound on an inorganic porous carrier, heating to a temperature of 70 °C or more in the presence of inert gas, and reducing the catalyst by introducing reducing gas while maintaining high temperature. A method for preparing the solid catalyst containing rhodium and tellurium comprising immersing inorganic porous carrier in a solution containing rhodium compound and tellurium compound dissolved in it.
一种由
铑和
碲组成的固体催化剂,其中在 Rh-K 边缘的扩展 X 射线吸收精细结构(以下简称 "EXAFS")测量中测得的配位数比(Rh-Te/Rh-Rh)在 50/50 至 99/1 之间。一种由
铑和
碲组成的固体催化剂,其中在 Rh-K 边缘的 EXAFS 测量中测得的最近原子间距在 2.74 至 3.00 Å 之间。 一种由至少一种选自 Rh、Pt 和 Pd 的第 8 族
金属 M 和 Te 组成的固体催化剂,其中固体催化剂中 Te 和 M 之间的原子比(Te / M)为 0.45 至 1.4。一种生产不饱和
乙二醇二酯的方法,其中共轭二烯与
羧酸和分子氧在由
铑和
碲组成的固体催化剂存在下在液相中加压反应。一种制备含
铑和
碲的固体催化剂的方法,包括将
铑化合物和
碲化合物支撑在无机多孔载体上,在惰性气体存在下加热至70℃或以上,并在保持高温的同时引入还原性气体还原催化剂。一种制备含
铑和
碲的固体催化剂的方法,包括将无机多孔载体浸入溶有
铑化合物和
碲化合物的溶液中。