Gas-phase synthesis process of chloroethane
A synthesis process and chloroethane technology, applied in chemical instruments and methods, halogenated hydrocarbon preparation, organic chemistry, etc., can solve the problems of low hydrogen chloride single-pass conversion rate, high energy consumption, high acidity of waste acid, and reduce processing difficulty. and processing costs, reducing power costs, and ensuring the effect of utilization
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Embodiment 1
[0036] see figure 1, the catalyst aqueous solution that will contain 60wt% zinc chloride, 10wt% nickel chloride is sent in the reactor 10, and the catalyst aqueous solution is full of reaction one zone, starts the catalyst circulation pump 31, and the catalyst solution in the reactor is heated to by heater 32 After 120°C, the heating is stopped, and the catalyst circulation pump 31 is kept running, so that the catalyst solution is continuously sprayed into the second reaction zone 14 of the reactor.
[0037] The liquid ethanol is heated up by a heat exchanger to form gaseous ethanol with a pressure of 0.3MPa, and then the gaseous ethanol is mixed with gaseous hydrogen chloride at a pressure of 0.3MPa and then sent to a vertical reactor. The raw material mixed gas formed by gaseous ethanol and gaseous hydrogen chloride Enter the gas distributor, spray out from the gas distributor at a speed of 0.5m / s, enter the reaction zone 1 to contact the catalyst solution for bubbling react...
Embodiment 2
[0047] read on figure 1 , the catalyst aqueous solution that will contain 40wt% zinc chloride, 20wt% nickel chloride is sent in the reactor 10, and the catalyst aqueous solution is full of reaction one zone, starts the catalyst circulation pump 31, and the catalyst solution in the reactor is heated to by heater 32 After 130°C, the heating is stopped, and the catalyst circulation pump 31 is kept running, so that the catalyst solution is continuously sprayed to the second reaction zone 14 of the reactor.
[0048] Gas-phase ethanol with a pressure of 0.4MPa and gas-phase hydrogen chloride with a pressure of 0.4MPa are mixed and sent to the gas distributor of the reactor. After being sprayed out from the gas distributor at a speed of 50m / s, it enters the first reaction zone and contacts with the catalyst solution. The bubbling reaction is carried out, and the reaction temperature in the first reaction area is 148°C; the mixed gas from the first reaction area enters the second reac...
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