Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By c content reduction – e.g. – cracking – etc.
Patent
1995-06-05
1998-06-09
Achutamurthy, Ponnathapura
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By c content reduction, e.g., cracking, etc.
585653, 585654, 585752, 585927, C07C 402, C07C 5327
Patent
active
057637245
ABSTRACT:
The present invention relates to a method of manufacturing one or more chemical products in which a chemical reaction is performed by causing one or more reagents to flow along the inside of a tube disposed in a radiation zone of a furnace. In the method, at least a portion of the tube is caused to vibrate so as to limit the deposition of reaction by-products on the inside wall of the tube. More particularly, the tube can be vibrated at a frequency lying in the range 50 Hz to 2000 Hz. The invention also provides apparatus for performing the method of the invention, which apparatus comprises a furnace including a radiation thermal enclosure through which at least one tube passes, which tube is provided with at least one excitation means suitable for generating tube vibration.
REFERENCES:
patent: 3183967 (1965-05-01), Metenleiter
patent: 3819740 (1974-06-01), Hori
patent: 4271007 (1981-06-01), Souhrada et al.
patent: 4368677 (1983-01-01), Kline
patent: 4827074 (1989-05-01), Sueva et al.
Bellet Serge
Loublier Marc
Margail Guy
Achutamurthy Ponnathapura
Naphtachimie S.A.
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