Who has the C5, C6 isomerization question bank? ?
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Which kind-hearted person has a question bank related to heterogenization? ? I would be extremely grateful if you could share it. . .Question: Substances that can cause permanent poisoning of catalysts mainly include __________, __________, ______________, as well as certain metals.
Answer: Metal ions, basic compounds, sulfur, amines
Serial number: 562
Question type: Fill in the blank
Position: Reaction
Level: C
Type: Basic knowledge
Question: Controlling the pressure in the reaction system is necessary to ensure that the reaction proceeds in the ______ phase at the normal reaction temperature.
Answer: Liquid phase
Serial number: 564
Question type: Fill in the blank
Position: Reaction
Level: C
Type: Basic knowledge
Question: The etherification reaction is a ________ heterogeneous reaction; the outlet temperature of the reactor must not exceed ________°C.
Answer: Liquid, solid phase; 83
Serial number: 565
Question type: Multiple choice
Position: Reaction
Level: C
Type: Basic knowledge
Question: In polymerization reactions, compared to butylene-1 and cis-trans butene-2, which one has the fastest polymerization rate? ( )
A. Isobutylene
B. Butylene-1
C. Cis-trans butene-2
Answer: Isobutylene
Serial number: 568
Question type: Fill in the blank
Position: Reaction
Level: A
Type: Startup operations
Question: The purpose of pressure testing is ___________________________________________.
Answer: To check whether the equipment and pipelines are unobstructed, to remove any debris from them, and to test for leaks in the equipment.
Serial number: 569
Question type: Fill in the blank
Position: Reaction
Level: A
Type: Startup operations
Question: When purging with nitrogen, one should stand in the ________ to avoid ________ caused by the release of gas.
Answer: Upwind; suffocation
Serial number: 570
Question type: Multiple choice
Position: Reaction
Level: A
Type: Startup operations
Question: The reaction system is purged using ( ).
A. Steam
B. Purified air
C. Nitrogen
Answer: Nitrogen
Serial number: 574
Question type: Multiple choice
Position: Reaction
Level: A
Type: Startup operations
Question: For nitrogen purging of the reaction system, the oxygen content must be less than ( ) to be considered acceptable.
A. 0.5%
B. 1.0%
C. 2.0%
Answer: 1.0%
Serial number: 579
Question type: Fill in the blank
Position: Reaction
Level: B
Type: Startup operations
Question: To determine whether the reactor is filled, one can check by ___________________________.
Answer: Opening the reactor sight glass. Serial number: 581 Question type: Fill in the blank Position: Reaction Level: B Type: Startup operation Question: The etherification reaction is a _____ reaction; the reactor functions as an adiabatic reactor, and heat removal is mainly achieved through _______________. Answer: Exothermic, the reaction stream carrying it away Serial number: 584 Question type: Fill in the blank Position: Reaction Level: C Type: Startup operation Question: At the beginning of plant startup or after replacing the catalyst, when introducing fresh feedstock, it is necessary to _______ the temperature at the reactor inlet. Answer: Lower it as much as possible. Serial number: 589 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: During shutdown, it is required to produce as few _________ products as possible, ensure ________ and ________ are uniform, in order to prevent equipment from experiencing _____ and the system from having _____ and _____. Answer: Unqualified products, cooling, flow rate, leakage, over-temperature, over-pressure. Serial number: 590 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: During the shutdown process, flammable gases in the plant should be discharged to _______, and it is strictly prohibited to discharge them into _________ to avoid accidents. Answer: Flare stack, atmosphere Serial number: 592 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: After the plant is shut down, before opening the towers, reactors, manholes, or the covers of heat exchange equipment or pipeline flanges, it is necessary to check whether they have been ________ and _______. Answer: Depressedurized, drained of condensate. Serial number: 595 Question type: Fill in the blank Position: Reaction Level: B Type: Shutdown operation Question: During the process of draining the reaction system, C102 should remain in a __________ state. Answer: Normal operating condition Serial number: 596 Question type: Fill in the blank Position: Reaction Level: B Type: Shutdown operation Question: When the pressure in the reactor is balanced during shutdown, _______ line is used to supply _______ to push the contents in the reactor into Tower C102. Answer: Feed manifold, nitrogen. Serial number: 599 Question type: Fill in the blank Position: Reaction Level: C Type: Shutdown operation Question: During the pressure relief process after plant shutdown, the cooling water for various coolers and pumps _________, in order to prevent liquid hydrocarbons from vaporizing and _______ the equipment. Answer: Should not be stopped, damage the equipment.
Question: Substances that can cause permanent poisoning of catalysts mainly include __________, __________, ______________, as well as certain metals.
Answer: Metal ions, basic compounds, sulfur, amines
Serial number: 562
Question type: Fill in the blank
Position: Reaction
Level: C
Type: Basic knowledge
Question: Controlling the pressure in the reaction system is necessary to ensure that the reaction proceeds in the ______ phase at the normal reaction temperature.
Answer: Liquid phase
Serial number: 564
Question type: Fill in the blank
Position: Reaction
Level: C
Type: Basic knowledge
Question: The etherification reaction is a ________ heterogeneous reaction; the outlet temperature of the reactor must not exceed ________°C.
Answer: Liquid, solid phase; 83
Serial number: 565
Question type: Multiple choice
Position: Reaction
Level: C
Type: Basic knowledge
Question: In polymerization reactions, compared to butylene-1 and cis-trans butene-2, which one has the fastest polymerization rate? ( )
A. Isobutylene
B. Butylene-1
C. Cis-trans butene-2
Answer: Isobutylene
Serial number: 568
Question type: Fill in the blank
Position: Reaction
Level: A
Type: Startup operations
Question: The purpose of pressure testing is ___________________________________________.
Answer: To check whether the equipment and pipelines are unobstructed, to remove any debris from them, and to test for leaks in the equipment.
Serial number: 569
Question type: Fill in the blank
Position: Reaction
Level: A
Type: Startup operations
Question: When purging with nitrogen, one should stand in the ________ to avoid ________ caused by the release of gas.
Answer: Upwind; suffocation
Serial number: 570
Question type: Multiple choice
Position: Reaction
Level: A
Type: Startup operations
Question: The reaction system is purged using ( ).
A. Steam
B. Purified air
C. Nitrogen
Answer: Nitrogen
Serial number: 574
Question type: Multiple choice
Position: Reaction
Level: A
Type: Startup operations
Question: For nitrogen purging of the reaction system, the oxygen content must be less than ( ) to be considered acceptable.
A. 0.5%
B. 1.0%
C. 2.0%
Answer: 1.0%
Serial number: 579
Question type: Fill in the blank
Position: Reaction
Level: B
Type: Startup operations
Question: To determine whether the reactor is filled, one can check by ___________________________.
Answer: Opening the reactor sight glass. Serial number: 581 Question type: Fill in the blank Position: Reaction Level: B Type: Startup operation Question: The etherification reaction is a _____ reaction; the reactor functions as an adiabatic reactor, and heat removal is mainly achieved through _______________. Answer: Exothermic, the reaction stream carrying it away Serial number: 584 Question type: Fill in the blank Position: Reaction Level: C Type: Startup operation Question: At the beginning of plant startup or after replacing the catalyst, when introducing fresh feedstock, it is necessary to _______ the temperature at the reactor inlet. Answer: Lower it as much as possible. Serial number: 589 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: During shutdown, it is required to produce as few _________ products as possible, ensure ________ and ________ are uniform, in order to prevent equipment from experiencing _____ and the system from having _____ and _____. Answer: Unqualified products, cooling, flow rate, leakage, over-temperature, over-pressure. Serial number: 590 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: During the shutdown process, flammable gases in the plant should be discharged to _______, and it is strictly prohibited to discharge them into _________ to avoid accidents. Answer: Flare stack, atmosphere Serial number: 592 Question type: Fill in the blank Position: Reaction Level: A Type: Shutdown operation Question: After the plant is shut down, before opening the towers, reactors, manholes, or the covers of heat exchange equipment or pipeline flanges, it is necessary to check whether they have been ________ and _______. Answer: Depressedurized, drained of condensate. Serial number: 595 Question type: Fill in the blank Position: Reaction Level: B Type: Shutdown operation Question: During the process of draining the reaction system, C102 should remain in a __________ state. Answer: Normal operating condition Serial number: 596 Question type: Fill in the blank Position: Reaction Level: B Type: Shutdown operation Question: When the pressure in the reactor is balanced during shutdown, _______ line is used to supply _______ to push the contents in the reactor into Tower C102. Answer: Feed manifold, nitrogen. Serial number: 599 Question type: Fill in the blank Position: Reaction Level: C Type: Shutdown operation Question: During the pressure relief process after plant shutdown, the cooling water for various coolers and pumps _________, in order to prevent liquid hydrocarbons from vaporizing and _______ the equipment. Answer: Should not be stopped, damage the equipment.