Ethanol conversion method
An ethanol and reactor technology, applied in the field of ionic synthesis chemistry, to achieve the effect of high selectivity
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[0112] Example 1: Single Dielectric Barrier Discharge---Spool Type Reactor
[0113] Under the pressure of 0.11MPa, the He and gaseous ethanol are fed into the discharge reactor at a molar ratio of 5:1 (where the He flow rate is 25ml / min, and the ethanol flow rate is 5ml / min). After the gas flow is stabilized, the plasma power supply is switched on for the medium Barrier discharge. A rigid glass tube with an outer diameter of 9mm and an inner diameter of 7mm is used to make a cylindrical reactor (also used as a barrier medium), the center electrode is an iron wire with a diameter of 3mm, and the ground electrode is a cylindrical aluminum foil tube with a wall thickness of 1mm (closely attached to the glass tube) The outer wall), the pole spacing is 3mm, and the effective discharge length of the reactor is 120mm.
[0114] The discharge parameters of the reactor are: voltage 12.5kV, current 0.36A, frequency 14.5kHz; other reaction conditions of the reactor are: the residence time of ...
Example Embodiment
[0115] Example 2: Double Dielectric Barrier Discharge---Spool Type Reactor
[0116] Under the pressure of 0.12MPa, the N 2 With gaseous ethanol in a molar ratio of 6:1 (where N 2 The flow rate is 36ml / min, and the flow rate of ethanol is 6ml / min) into the discharge reactor. After the gas flow is stable, the plasma power supply is switched on for dielectric barrier discharge. The cylindrical reactor is made of double-layer PTFE tube (which also serves as a barrier medium). The outer tube has an outer diameter of 11mm, an inner diameter of 8mm, an inner tube of 4mm, an inner diameter of 2mm, and the center electrode is a copper wire with a diameter of 2mm, grounded. The pole has a cylindrical copper mesh (180 mesh) with a wall thickness of 1mm, which is closely attached to the outer wall of the PTFE tube, the pole spacing is 4.5mm, and the effective discharge length of the reactor is 180mm.
[0117] The discharge parameters of the reactor are: voltage 17.6kV, current 0.44A, frequency...
Example Embodiment
[0118] Example 3: Single dielectric barrier discharge---tube-plate reactor
[0119] Under the pressure of 0.05MPa, the CO and gaseous ethanol are fed into the discharge reactor at a molar ratio of 8:1 (where the CO flow rate is 48ml / min, and the ethanol flow rate is 6ml / min). After the gas flow is stabilized, the plasma power supply is switched on for the medium Barrier discharge. The reactor is made of a hard glass tube with an outer diameter of 9mm and an inner diameter of 7mm. It adopts a tube-plate electrode structure. The high voltage electrode is an iron tube with an outer diameter of 3mm and an inner diameter of 2mm. The ground electrode is a round tungsten plate with a radius of 3.5mm. The dielectric is 1.5 in thickness. mm single-layer mica, the pole spacing is 4mm.
[0120] The discharge parameters of the reactor are: voltage 15.8kV, current 0.55A, frequency 10.5kHz; other reaction conditions of the reactor are: the residence time of reactants in the discharge zone is 0....
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