Purification Technology Edition Daily Question (Short Answer) [2018-1-30]
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Which units need to be operational before low-temperature methanol washing can be started? (1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage.
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage.
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) There is a stable supply of low-pressure steam
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage
1. The utility systems must be operating properly, capable of supplying high and low pressure nitrogen, instrument air, circulating cooling water, deionized water, and electricity； 2. The freezing process must operate properly, capable of supplying liquid ammonia at -40 degrees Celsius for cooling purposes ； 3. The thermoelectric unit is capable of supplying low-pressure steam properly.
(1) Utility services (2) Freezing process
Utility, air separation, boiler, gasification and other units
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage
(1) The utilities must be operating properly, capable of supplying sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage.
Answer: (1) The utilities must be operating properly, capable of providing sufficient water, electricity, and gas. (2) The freezing process must be operating properly, capable of providing an adequate amount of liquid ammonia at -40°C as a refrigerant. (3) The thermoelectric device can supply low voltage.