Propane dehydrogenation adopts Oleflex process of UOP company, mainly including feed treatment, depropanizer, reaction unit catalyst continuous regeneration unit, reactor effluent compression, drying unit, separation unit, selective hydrogenation, deethanizer, propylene propane Separator unit. The key input parameters of this project include raw materials (propane), energy sources (electricity, steam, fresh water, natural gas) and auxiliary materials (catalyst Pt, etc.). The products are by-products of propylene and hydrogen, and by-products C4 and C2 are produced at the same time. The process produces by-product fuel gas, which is recycled as energy, which belongs to closed-loop energy recovery, so this process does not participate in the quality distribution of environmental impact. When applying this data set for Life Cycle Assessment, it is essential to carefully consider the system boundaries and to apply the mass distribution method for the allocation of the environmental load between the main product, propylene, and the various by-products. Recycling, energy recovery and potential environmental impact offsets due to by-product utilization should be taken into account. Data on emissions should be considered context-specific and may require adjustment when applying to different geographical regions or technological scenarios. The infrastructure and maintenance of the production process are excluded from this LCA model.