Method using microchannel reaction to prepare chloroethylene carbonate
A technology of chloroethylene carbonate and microchannel reaction, which is applied in chemical instruments and methods, chemical/physical/physical chemical reactors, chemical/physical/physical chemical processes, etc., and can solve cumbersome processes and low product yields, etc. Problems, to achieve sufficient raw material contact reaction, improve purity, and good air tightness
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[0027] Example 1
[0028] (1) The equipment used in the method includes enhanced mass transfer microchannel reactor 1, metering pump one 2, metering pump two 3. The enhanced mass transfer micro channel reactor includes preheater 4, storage tank 5, heat exchange Microchannel modules 6 made of monocrystalline silicon and connected in sequence by several sections. Each microchannel module 6 includes a spiral tubular microchannel 7 with a heart-shaped structure and a hydraulic diameter of 0.5 mm, an exhaust valve 8, Nitrogen replacement valve 9, one of the microchannel modules located on the outermost side is also provided with a discharge valve 10;
[0029] (2) Heat ethylene carbonate with a purity of 75% or more from solid to 50°C to become liquid, add initiator benzoyl peroxide and catalyst aluminum trichloride and mix well to obtain a mixed liquid, catalyst aluminum trichloride, initiator The mass ratio of benzoyl peroxide and ethylene carbonate is 1:1.5:247.5, and the mixed liqui...
Example Embodiment
[0030] Example 2
[0031] (1) The equipment used in the method includes enhanced mass transfer microchannel reactor 1, metering pump one 2, metering pump two 3. The enhanced mass transfer micro channel reactor includes preheater 4, storage tank 5, heat exchange Microchannel module 6 made of monocrystalline silicon, each microchannel module 6 includes a spiral tube microchannel 7 with a heart-shaped structure and a hydraulic diameter of 10mm, an exhaust valve 8, and nitrogen Replacement valve 9, one of the micro-channel modules located on the outermost side is also provided with a discharge valve 10;
[0032] (2) Heat ethylene carbonate with a purity of 75% or more from solid to 50°C to become liquid, add initiator benzoyl peroxide and catalyst aluminum trichloride and mix well to obtain a mixed liquid, catalyst aluminum trichloride, initiator The mass ratio of benzoyl peroxide and ethylene carbonate is 1:1.5:97, and the mixed liquid is preheated to 45℃ through metering pump-2 into...
Example Embodiment
[0033] Example 3
[0034] (1) The equipment used in the method includes enhanced mass transfer microchannel reactor 1, metering pump one 2, metering pump two 3. The enhanced mass transfer micro channel reactor includes preheater 4, storage tank 5, heat exchange Microchannel modules 6 made of monocrystalline silicon and connected by several sections in turn. Each microchannel module 6 includes a spiral tube microchannel 7 with a heart-shaped structure and a hydraulic diameter of 5mm, an exhaust valve 8, and nitrogen Replacement valve 9, one of the micro-channel modules located on the outermost side is also provided with a discharge valve 10;
[0035] (2) Heat ethylene carbonate with a purity of 75% or more from solid to 50°C to become liquid, add initiator benzoyl peroxide and catalyst aluminum trichloride and mix well to obtain a mixed liquid, catalyst aluminum trichloride, initiator The mass ratio of benzoyl peroxide and ethylene carbonate is 1:1.5:47.5, and the mixed liquid is p...
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