| 主权项 |
1. A catalyst represented by General Formula:
FeaSbbCcDdTeeCofGgXxYyZzOh(SiO2)i, wherein
Fe is iron;Sb is antimony;Te is tellurium;Co is cobalt;C is at least one kind of element selected from the group consisting of copper and nickel;D is at least one kind of element selected from the group consisting of molybdenum, tungsten, and vanadium;G is at least one kind of element selected from the group consisting of phosphorous and boron;X is at least one kind of element selected from the group consisting of tin, titanium, zirconium, niobium, tantalum, ruthenium, palladium, silver, aluminum, gallium, indium, thallium, germanium, arsenic, bismuth, lanthanum, cerium, praseodymium, neodymium, and samarium;Y is at least one kind of element selected from the group consisting of magnesium, calcium, strontium, barium, manganese, zinc, and lead;Z is at least one kind of element selected from the group consisting of lithium, sodium, potassium, rubidium, and cesium;O is oxygen;(SiO2) represents silica;a, b, c, d, e, f, g, x, y, z, h, and i represent the atomic ratios of respective elements, and in the case of silica, the atomic ratio of silicon;a is 10; b is 5 to 60; c is 1 to 8; d is 0.1 to 4; e is 0.1 to 5; f is 0.1 to 4.5; g is 0.1 to 5; x is 0 to 5; y is 0 to 5; z is 0 to 2; i is 10 to 200; h is the atomic ratio of oxygen that is necessary to meet the atomic values of represent elements except silicon; and(a+f)/b ranges from 0.50 to 0.60. |
