Catalytic dehydroxylation of phenols. [Metal sulfides]
Patent
·
OSTI ID:6530205
Phenolic compounds are dehydroxylated in the vapor phase by contacting with a reducing atmosphere substantially comprising hydrogen sulfide as the reducing agent in the presence of a sulfur-tolerant metal sulfide catalyst. The additional presence of hydrogen gas helps to desulfurize the catalyst and maintain catalytic activity. The process is useful in the treatment of phenolic naphtha fractions present in coal liquids, produced by pyrolysis or direct coal liquefaction.
- Assignee:
- Exxon Research and Engineering Co.
- Patent Number(s):
- US 4451356
- OSTI ID:
- 6530205
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010405 -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010406* -- Coal & Coal Products-- Pyrolysis & Cracking-- (-1987)
AROMATICS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL LIQUEFACTION
COAL LIQUIDS
COAL TAR OILS
CRACKING
DECOMPOSITION
DESULFURIZATION
DISTILLATES
ELEMENTS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
HYDROGENATION
HYDROXY COMPOUNDS
LIQUEFACTION
LIQUIDS
METALS
NAPHTHA
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PHENOLS
PYROLYSIS
REDUCING AGENTS
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
VAPORS
010405 -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010406* -- Coal & Coal Products-- Pyrolysis & Cracking-- (-1987)
AROMATICS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL LIQUEFACTION
COAL LIQUIDS
COAL TAR OILS
CRACKING
DECOMPOSITION
DESULFURIZATION
DISTILLATES
ELEMENTS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
HYDROGENATION
HYDROXY COMPOUNDS
LIQUEFACTION
LIQUIDS
METALS
NAPHTHA
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PHENOLS
PYROLYSIS
REDUCING AGENTS
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
VAPORS