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【Learning about Ethylene Together】Five questions per day to easily learn about ethylene. 38 1. The performance of a centrifugal pump is primarily determined by ( ), ( ), ( ), ( ), and rotational speed. 2. The structure of a jet ejector pump mainly consists of ( ) and ( ) connected to the condenser exhaust port, as well as ( ). 3. Alkali washing generally removes acidic gases from the pyrolysis gas through ( ) or ( ). 4. The reasons for the emulsification of quench water are mostly caused by ( ), and its manifestation is ( ). 28. The acidic gas removal system uses absorbents such as ( ) and ( ) to remove small amounts of substances present in pyrolysis gases that are harmful to equipment and catalysts, such as H2S, CO2, and other organic sulfides. 5. The function of the seal oil system is to use ( ) to create an appropriate ( ) on the high-pressure side, starting from ( ), in order to prevent gas from leaking into the atmosphere through the shaft ends. 1. The performance of a centrifugal pump is mainly determined by ( ), ( ), ( ), ( ), and rotational speed. Head, flow rate, power, efficiency. 2. The structure of a jet ejector pump mainly consists of ( ) and ( ) connected to the condenser exhaust port, as well as ( ). Scaling nozzle, mixing chamber, diffuser tube. 3. Alkaline washing is generally used to remove acidic gases from pyrolysis gas through ( ) or ( ). The long-tail caustic washing method, the Lumes caustic washing method: 4. The reasons for emulsification in cold water are mainly caused by ( ), and its manifestation is ( ). The pH value is extremely high, and the oil and water phases are mixed. 28. The acidic gas removal system uses absorbents such as ( ) and ( ) to remove small amounts of substances present in pyrolysis gases that can be harmful to equipment and catalysts, such as H2S, CO2, and other organic sulfides. Monoethanolamine, hydrogen, sodium hydroxide. 5. The function of the seal oil system is to use ( ) in order to create an appropriate ( ) on the high-pressure side, thereby preventing gases from leaking into the atmosphere through the shaft ends. High-pressure oil; sealant oil injected between the floating rings; pressure difference