Influence of process conditions on carboxylation of higher alkylphenols by Kolbe-Schmidt reaction
The authors present experimental data on the carboxylation of higher alkylphenols prepared by alkylating phenol with a 240-320/sup 0/C alpha-olefin cut obtained by thermal cracking of the paraffins, on KU-2 catalyst. Experiments were performed to determine the influence of temperature and pressure on the conversion of sodium alkylphenolate to alkylsalicylate. The content of alkylphenols in the carboxylated products was demonstrated by solubilizing the carboxylate in water, subsequently centrifuging the water-organic mixture that was obtained. From the data presented here, it follows that in the carboxylation of sodium alkylphenolate, side reactions can be minimized if the process is performed at 130-135/sup 0/C with a CO/sub 2/ pressure no lower than 2 MPa.
- OSTI ID:
- 6192716
- Journal Information:
- Chem. Technol. Fuels Oils (Engl. Transl.); (United States), Vol. 22:5-6; Other Information: Translated from Khimiya i Teknologiya Topliv i Masel; 22: No.6, 4-6(May-Jun 1986)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
CARBON DIOXIDE
ACTIVATION ENERGY
ORGANIC ION EXCHANGERS
CATALYTIC EFFECTS
PHENOLS
ALKYLATION
CARBOXYLATION
RESINS
ALKENES
ALKYLATING AGENTS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CATALYSTS
CHEMICAL REACTION YIELD
CHEMICAL REACTORS
HETEROGENEOUS CATALYSIS
MATERIALS TESTING
OPTIMIZATION
PETROLEUM FRACTIONS
PHENOLATES
PRESSURE DEPENDENCE
PROCESS CONTROL
SALICYLIC ACID
SODIUM COMPLEXES
TEMPERATURE DEPENDENCE
ALKALI METAL COMPLEXES
AROMATICS
CARBON COMPOUNDS
CARBON OXIDES
CATALYSIS
CHALCOGENIDES
CHEMICAL REACTIONS
COMPLEXES
CONTROL
ENERGY
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCARBONS
HYDROXY ACIDS
HYDROXY COMPOUNDS
ION EXCHANGE MATERIALS
MATERIALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM
PETROLEUM PRODUCTS
POLYMERS
TESTING
YIELDS
400201* - Chemical & Physicochemical Properties