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One question per day; those who answer correctly receive 10 wealth points, while participants receive 2 wealth points; Question 225

2015-06-17View Original

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During one cycle of operation with five towers in pressure swing adsorption, each adsorption tower goes through __ different process steps. What are those steps respectively? Adsorption (A), Pressure equalization 1 drop (E1D), Pressure equalization 2 drop (E2D), Pressure equalization 3 drop (E3D), Reverse pressure release (D), Evacuation (V), Pressure equalization 3 rise (E3R), Pressure equalization 2 rise (E2R), Pressure equalization 1 rise (E1R) and Final pressure rise (FR)
Reply #22015-06-17
In the three-stage pressure equalization and pressure swing adsorption process for five towers, each adsorption tower must go through ten steps in one cycle: adsorption (A), first pressure equalization (1ED), second pressure equalization (2ED), third pressure equalization (3ED), reverse depressurization (D), vacuum desorption (V), first pressure increase (3ER), second pressure increase (2ER), third pressure increase (1ER), and final pressure increase (FR). The five adsorption towers are scheduled to operate at staggered times, forming a closed-loop cycle to ensure continuous feed of raw materials and continuous output of products
Reply #32015-06-17
There are three process units: absorption, desorption, and cold blowing. But I have also seen ones with vacuum nitrogen compression, and there are only three of those
Reply #42015-06-17
During the operation of the five-tower pressure swing adsorption system in one cycle, each adsorption tower goes through _adsorption, pressure reduction, pressure increase, and final pressure increase_ – five distinct process steps. What are those steps respectively?
Reply #52015-06-17
Ten steps: adsorption, primary pressure equalization, secondary pressure equalization, tertiary pressure equalization, reverse pressure release, vacuum desorption, primary pressure increase, secondary pressure increase, tertiary pressure increase, and final pressure increase.
Reply #62015-06-17
During one cycle of operation with five towers in pressure swing adsorption, each adsorption tower goes through __ different process steps. What are those steps respectively? I’m really not sure; I replied and learned a bit
Reply #72015-06-17
During one cycle of operation with five towers in pressure swing adsorption, each adsorption tower goes through _ten_ different process steps. What are those steps respectively?
Reply #82015-06-17
During the operation of the five-tower pressure swing adsorption system in one cycle, each adsorption tower goes through _4_ different process steps. They are adsorption, depressurization, pressurization, and final elevation – four steps in total.
Reply #92015-06-17
The number of voltage equalization cycles varies, as does the number of steps; furthermore, the number of steps differs between those with vacuum desorption and those without it. In the case of five-tower three-stage pressure equalization vacuum desorption pressure swing adsorption, each adsorption tower goes through ten steps in one cycle: adsorption (A), first pressure equalization (1ED), second pressure equalization (2ED), third pressure equalization (3ED), reverse pressure release (D), vacuum desorption (V), first pressure increase (3ER), second pressure increase (2ER), third pressure increase (1ER), and final pressure increase (FR).
Reply #102015-06-17
Six steps: adsorption, three-stage equalization, reverse playback, forward playback. (But the order might be wrong)
Reply #112015-06-17
In the pressure swing adsorption process, each adsorption tower goes through several states within one cycle: adsorption (→), pressure reduction (↓), pressure increase (↑), and final pressure increase (↗). It also must include at least the following states: vacuum pumping (↘), temperature change (()), and washing (↘) among others; Here, pressure reduction refers to equalization pressure drop and reverse pressure reduction; each adsorption tower undergoes k instances of equalization with the other adsorption towers, with each equalization pressure drop denoted as ( ~ ) ↓, the corresponding equalization pressure rise being denoted as (k~1) 1/k ↑, while reverse pressure reduction is denoted as ↓. The process of separating or purifying mixed gases using pressure swing adsorption involves feeding a mixed gas, which has been dehydrated and dedusted and is under certain pressure, into an adsorption tower. The adsorbent filled in this tower selectively adsorbs one or more gas components present in the mixed gas, while those gas components that are not adsorbed flow out of the tower ; Once the amount of gas adsorbed by the adsorbent reaches a certain level, the adsorbent is regenerated, a process that is mainly achieved through pressure reduction and flushing. In order to recover the useful components, pressure equalization is carried out between the adsorption tower that has completed its adsorption process and other adsorption towers. Without affecting the purity of the product, the more times pressure equalization is performed, the higher the recovery rate of the product gas (except in cases where the adsorbate is the product itself).

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