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Thermal cracking. In thermal cracking, high temperatures (typically in the range of 450Â°C to 750Â°C) and pressures (up to about 70 atmospheres) are used to break the large hydrocarbons into smaller ones. Thermal cracking gives mixtures of products containing high proportions of hydrocarbons with double bonds - alkenes.
6 Summary ....................................................................................................................... ............................. 7. 3 EXECUTIVE SUMMARY The concept of fluid catalytic cracking has been around since 1915. It was introduced into the petroleum refining process in 1942.Fluid Catalytic Cracking (FCC) is, arguably, the most important petroleum refining process for converting high molecular weight, high boiling point, molecular chains into useful fuel products and gasses. Summary ....................................................................................................................... ............................. 7. 3 EXECUTIVE SUMMARY The concept of fluid catalytic cracking has been around since 1915. It was introduced into the petroleum refining process in 1942.