Purification Daily Question 2018-9-30 (Short Answer)
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What conditions must be met before purifying the gas flow? Answer: ① The minimum circulating volume of methanol in the system operates stably. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
Answer: ① The minimum circulating volume of methanol in the system operates stably. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
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①The minimum system methanol circulation rate remains stable during operation. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
①The minimum system methanol circulation rate remains stable during operation. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
①The minimum system methanol circulation rate remains stable during operation. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol-water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
①The minimum system methanol circulation rate remains stable during operation. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
①The minimum system methanol circulation rate remains stable during operation. ②The temperature of methanol entering the washing tower is around -35°C. ③The regeneration system is now functioning properly. ④The methanol/water separation system is operating normally. ⑤Methanol spraying and nitrogen stripping have been in operation for over half an hour.
1) The minimum methanol circulation rate of the system is maintained at a stable level. 2) The temperature of the methanol entering T0601 is below –20°C. 3) The regeneration system is operating properly. 4) The methanol/water separation system is functioning correctly. 5) The methanol spraying system and the nitrogen stripping system have been in operation for over half an hour. 6) The spray water used for removing NH3 in the shift reaction process has been put into use