Ụlọ ọrụ mmepụta PVC nke nwere nnukwu calcium carbide n'ime obodo na-akwalite atụmatụ mmepe nke akụ na ụba okirikiri, na-eme ka usoro ụlọ ọrụ dịkwuo elu ma na-eme ka agbụ ụlọ ọrụ dịkwuo ike site na iji calcium carbide PVC dị ka isi ihe, ma na-agba mbọ iwulite nnukwu ụlọ ọrụ mmepụta ihe nke na-ejikọta "coal-electricity-nnu". Ugbu a, isi mmalite nke ngwaahịa vinyl vinyl na China na-etolite n'ụzọ dị iche iche, nke meghekwara ụzọ ọhụrụ maka ịzụta ihe eji emepụta ihe maka ụlọ ọrụ PVC. Coal-to-olefins n'ime ụlọ, methanol-to-olefins, ethane-to-ethylene na usoro ọgbara ọhụrụ ndị ọzọ emeela ka inye ethylene baa ụba.
