采用Mn2O3γAl2O3和V2O5γAl2O3为催化剂,在一连续流固定床反应器中进行了超临界水氧化1,5萘二磺酸实验。实验结果表明,在380～440℃,24MPa条件下,Mn2O3γAl2O3和V2O5γAl2O3催化剂对1,5萘二磺酸的氧化降解具有显著的促进作用,TOC去除率达到90%以上;催化剂的催化效果随反应温度的升高而增强,随pH值的降低而增强,随停留时间的延长先增强后趋于平缓。 In the continuous flow fixed-bed reactor, 1,5-naphthalenedisulfonic acid was oxidized by supercritical water using Mn2O3γAl2O3 and V2O5γAl2O3 as catalysts. The experimental results show that under the conditions of 380-440 ℃ and 24MPa, Mn2O3γAl2O3 and V2O5γAl2O3 catalysts have a significant promoting effect on the oxidation and degradation of 1,5-naphthalenedisulfonic acid, and the removal rate of TOC reaches more than 90%. The catalytic effect of the catalyst increases with the reaction temperature Of the increase and increase, with the decrease of pH increased, with the extension of the residence time first increased and then tends to be gentle.