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US 2009/0005609 A1Published application
Method for making chlorohydrins
AssigneeH R D Corporation
InventorsAbbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Abstract
Methods and systems for the preparation of chlorohydrins are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins into the chlorinating phase. The high shear device may allow for lower reaction temperatures and pressures and may also reduce chlorination time.
Claims20
A method of making a chlorohydrin comprising:
- a) contacting an olefin gas with a chlorinating agent in an aqueous phase to form a gas-liquid stream;
- and
- b) flowing the gas-liquid stream through a high shear device so as to form a dispersion with bubbles having an average diameter less than about 1 μm, and form a chlorohydrin.
A system for production of chlorohydrin comprising;
- at least one high shear device configured for chlorinating an olefin, said high shear device comprising a rotor and a stator, said rotor and said stator are separated by a shear gap in the range of from about 0.02 mm to about 5 mm, wherein the shear gap is a minimum distance between said rotor and said stator, and wherein the high shear device is capable of producing a tip speed of the at least one rotor of greater than about 23 m/s (4,500 ft/min);
- a pump configured for delivering a liquid stream comprising liquid phase to the high shear device;
- and
- a vessel configured for receiving the dispersion from the high shear device and for maintaining a predetermined pressure and temperature.
1 more element
Dependencies are inferred from the claim text.