Method for controlling reactions in hot gaseous reaction mixtures

Claim 1

IN A PROCESS FOR THE PYROLYSIS OF SATURATED HYDROCARBONS TO UNSATURATED HYDROCARBONS BY CONTINUOUSLY FEEDING A GASEOUS CHARGE COMPRISING THE SATURATED HYDROCARBON AND MOLECULAR OXYGEN INTO THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION GAS TURBINE, THE AMOUNT OF OXYGEN IN SAID CHARGE BEING SUFFICIENT TO EFFECT COMBUSTION OF A PART ONLY OF THE HYDROCARBON TO RAISE THE TEMPERATURE THEREOF A SUFFICIENTLY HIGH LEVEL TO INITIATE THE CONVERSION OF THE REMAINDER OF SAID HYDROCARBON INTO GASEOUS UNSATURATED HYDROCARBONS, THAT IMPROVEMENT COMPRISING DIRECTLY SUBJECTING THE GASEOUS REACTION MIXTURE RESULTING FROM SAID PARTIAL COMBUSTION AND CONVERSION TO ADIABATIC EXPANSION IN AN EXPANSION STAGE OF SAID INTERNAL COMBUSTION GAS TURBINE, SAID ADIABATIC EXPANSION CAUSING RAPID COOLING PREVENTING FURTHER UNDESIRED CONVERSION OF THE GASEOUS UNSATURATED HYDROCARBONS PRODUCED.