METHOD FOR SUPPLYING REACTION GASES IN CATALYTIC VAPOR PHASE OXIDATION PROCESS

摘要

A method for supplying reaction gases in a catalytic vapor phase oxidation process wherein at least a material to be oxidized and a gas containing molecular oxygen are mixed and the resultant mixture is supplied to a catalytic vapor phase oxidation reactor, characterized in that, feed rates of the material to be oxidized and the gas containing molecular oxygen are adjusted so that when the composition of a gas at the inlet to the catalytic vapor phase oxidation reactor is changed from a composition A point represented by plotting a concentration of a material to be oxidized and a concentration of oxygen [the concentration of a material to be oxidizedand a concentration of oxygen: O(a)] to a composition B point [R(b), O(b)][the composition A point and the composition B point are compositions outside the explosion range, and R(a) R(b) and O(a) O(b)], the compositions on the way from the composition A point to the composition B point fall outside the explosion range.