Method and apparatus for measuring hydrogen-carbon ratio of coke on porous catalyst

The invention provides a method and apparatus for measuring the hydrogen-carbon ratio of coke on a porous catalyst. The apparatus comprises a gas purification system, a sample combustion system and aflue gas absorption system, wherein the gas purification system comprises an inert gas cylinder, an oxidizing gas cylinder, gas pressure reducing mechanisms, a gas flow metering mechanism, a three-wayvalve, a H2O-removing drying tower and a CO2-removing drying tower; the inert gas cylinder and the oxidizing gas cylinder are separately connected with the three-way valve, and the gas pressure reducing mechanisms are arranged on connecting pipelines; the three-way valve is connected with the H2O-removing drying tower and the CO2-removing drying tower in series, and connecting pipelines are provided with the gas flow metering mechanisms; the sample combustion system comprises a heating tube, and a first tubular heater and a second tubular heater sleeving the heating tube; the flue gas absorption system comprises a H2O