Method for continuously and stably recovering aniline in aniline wastewater
A kind of technology of aniline wastewater and aniline, applied in amino compound purification/separation, organic chemistry, etc., can solve the problems of high aniline low boiling content, control index off-label alarm, and affect product quality, so as to reduce the moisture content and eliminate the impact , to ensure the effect of stable operation
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Embodiment 1
[0028] Discharging valve Ⅰ at the lower part of the aniline wastewater tank, start the centrifugal pump Ⅰ, open the outlet valve Ⅱ of the centrifugal pump, and recover crude aniline from the crude aniline tank. When the conductivity meter shows 0.020s / m, stop the recovery and analyze the crude aniline The water content in the tank was 1.81%.
Embodiment 2
[0030] Discharging valve Ⅰ in the lower part of the aniline wastewater tank, start the centrifugal pump Ⅰ, open the outlet valve Ⅱ of the centrifugal pump, and recover crude aniline from the crude aniline tank. When the conductivity meter shows 0.012s / m, stop the recovery and analyze the crude aniline The water content in the tank is 0.98%.
Embodiment 3
[0032] Discharging valve Ⅰ in the lower part of the aniline wastewater tank, start the centrifugal pump Ⅰ, open the outlet valve Ⅱ of the centrifugal pump, and recover crude aniline from the crude aniline tank. When the conductivity meter shows 0.008s / m, stop the recovery and analyze the crude aniline The water content in the tank was 0.76%.
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