Conversion of light naphthas over sulfided nickle erionite
- Mobil Research and Development Corp., Princeton, NJ (United States). Central Research Laboratory
A natural erionite ore has been exchanged with ammonium and nickel salts to yield a Ni/H erionite catalyst that is active and stable for selectively hydrocracking only the n-paraffins from light straight-run naphthas. The primary product is a C[sup 5+] liquid that is 15-20 octane numbers higher than the feed and a propane- and butane-rich gas by-product. Results from a 110-day pilot plant run demonstrated that a catalyst life of more than 1 year should be possible. Naphthenes, aromatics, and isoparaffins are neither produced nor consumed in this process, resulting in a C[sup 5+] liquid product that is lower in benzene and total aromatics than attainable by catalytic reforming of these feeds. Although no further work is planned with this catalyst, a naphtha-upgrading process based on shape-selective zeolitic hydrocracking could provide an attractive alternative to catalytic reforming or isomerization for these hard to upgrade naphthas. It should be particularly attractive in areas where the by-product propane and butane have good value.
- OSTI ID:
- 6167554
- Journal Information:
- Industrial and Engineering Chemistry Research; (United States), Journal Name: Industrial and Engineering Chemistry Research; (United States) Vol. 32:6; ISSN IECRED; ISSN 0888-5885
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020400* -- Petroleum-- Processing
ALKANES
BUTANE
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CRACKING
DATA
DECOMPOSITION
DISTILLATES
ELEMENTS
EXPERIMENTAL DATA
FUNCTIONAL MODELS
HYDROCARBONS
HYDROCRACKING
INDUSTRIAL PLANTS
INFORMATION
ION EXCHANGE
LIFETIME
METALS
MINERALS
NAPHTHA
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
PETROLEUM REFINERIES
PILOT PLANTS
PROPANE
PYROLYSIS
SERVICE LIFE
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
YIELDS