СО2+4Н2----(400 градусов, Ni)--->Х----(Cl2,hn)-->x ----(ch3cl,2na)--->x----(so2+cl2)--->x
CO2+4H2--->CH4+2H2O CH4+Cl2--->CH3Cl+HCl CH3Cl+2Na+CH3Cl--->C2H6+2NaCl C2H6+SO2+Cl2--->C2H5-SO2Cl+HCl