Injection of LPG into TCC unit
Patent
·
OSTI ID:6737573
A process is described for catalytically cracking hydrocarbon feed in a bed of catalyst effective to crack the hydrocarbon feed, comprising contacting the feed under catalytic cracking conditions, with the catalyst in a first portion of the bed, to produce cracked product. Another portion of that bed of catalyst is sealed by introducing into another portion of that bed a seal selected from the group consisting of ethane, propane, butane, isobutane, ethylene, propylene, butylene, isobutylene and mixtures thereof whereby feed and cracked product are prevented from surging into another portion; whereby contact of the seal with catalyst in another portion of the bed results in conversion of the seal to the higher molecular weight adducts thereof, the condition in another portion of the bed being effective to provide the conversion.
- Assignee:
- Mobil Oil Corp., New York, NY
- Patent Number(s):
- US 4640763
- OSTI ID:
- 6737573
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
2-METHYLPROPENE
ALKANES
ALKENES
BUTANE
BUTENES
CATALYSTS
CATALYTIC CRACKING
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DISPERSIONS
ETHANE
ETHYLENE
FLUIDS
HYDROCARBONS
LIQUEFIED GASES
LIQUEFIED PETROLEUM GASES
LIQUIDS
MIXTURES
MOLECULAR WEIGHT
NATURAL GAS LIQUIDS
ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PROPANE
PROPYLENE
PYROLYSIS
SEALS
THERMOCHEMICAL PROCESSES
020400* -- Petroleum-- Processing
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
2-METHYLPROPENE
ALKANES
ALKENES
BUTANE
BUTENES
CATALYSTS
CATALYTIC CRACKING
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DISPERSIONS
ETHANE
ETHYLENE
FLUIDS
HYDROCARBONS
LIQUEFIED GASES
LIQUEFIED PETROLEUM GASES
LIQUIDS
MIXTURES
MOLECULAR WEIGHT
NATURAL GAS LIQUIDS
ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PROPANE
PROPYLENE
PYROLYSIS
SEALS
THERMOCHEMICAL PROCESSES