Pilot studies on novel catalyst for sulfur removal from cracked naphthas with minimal octane loss
- Texaco Research and Development, Port Arthur, TX (United States)
Oil companies are expecting wider mandated use of reformulated gasolines and further environmental mandates to lower sulfur contents of reformulated gasolines in the near future. Environmental agencies currently believe that lower sulfur contents will significantly upgrade the quality of automotive exhaust gases. Most of the sulfur in a typical refinery gasoline pool comes from {open_quotes}cracked naphthas,{close_quotes} e.g. from Fluid Catalyst Cracking Units (FCCU`s). Cracked naphthas also have high olefin contents, and thus, high octane numbers. Although it is relatively easy to remove sulfur from a cracked naphtha in a low severity hydrotreating operation, at the same time, significant olefin saturation and octane reduction occur. Clearly, a selective hydrodesulfurization (HDS) process with minimal olefin reduction is required to produce low sulfur, high octane cracked naphthas. 2 refs., 5 tabs.
- OSTI ID:
- 430622
- Report Number(s):
- CONF-960730--
- Country of Publication:
- United States
- Language:
- English
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