A few questions for beginners learning *aspen
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I’m a beginner learning *aspen and have run into a few problems; I would be very grateful if those who are more experienced could teach me! ! ! The questions are as follows: 1. When simulating a process, what impact will it have on the entire process if the pump module is not included? 2. When simulating the process flow, is it not necessary to simulate the catalyst and catalyst regeneration? And the filtering process isn’t needed either, right? 3. During the chemical engineering design process, when conducting simulations, how can one determine the operating parameters for various unit modules? I seek advice from those who are more experienced!
This post was last edited by temp2046 on 2016-5-18 11:25. 1. What impact will it have on the entire process if the pump module is not included when simulating a process? 2. When simulating the process flow, is it not necessary to simulate the catalyst and catalyst regeneration? And the filtering process isn’t needed either, right? 3. During the chemical engineering design process, when conducting simulations, how can one determine the operating parameters for various unit modules? 1 No pump is needed. 2 Catalysts actually play a role in the kinetic equations of a reaction. Whether filtering is necessary depends on the specific situation; a split can be added for different phase states. 3. The operating parameters need to be tried out by oneself, or references from experiments and literature are available.
The key is to have a thorough understanding of unit operations and the principles of process simulation. For example, regarding the question of whether a pump is needed, as mentioned by the original poster, if you clearly understand that no pump is required for the design, then it doesn’t matter whether one is included or not; you can simply set the pressure in the subsequent unit operations. But if I need to design or verify this pump, then it’s not sufficient to just ignore that aspect. Take a simple example, such as a distillation column. If I don’t need to design a distillation column, then there’s no need to include one at all; I can simply use a separation module instead. Even more extremely, using Excel would suffice For example, in the filtration process, if you want to design filtration equipment such as centrifugal separators, then this is necessary; moreover, you need to be familiar with this unit operation. Once you understand it, you will realize that when designing such centrifugal equipment, parameters such as the particle size distribution and the maximum particle size that needs to be separated must be taken into account. To take the example of the operational parameters you mentioned, consider a heat exchanger: if you want to design one, you need to know what data is required in order to simulate its design. This includes the inlet temperatures and flow rates of the hot and cold streams, as well as the outlet temperatures of those streams. If, on the other hand, you only need to know the heat transfer rate, it’s much simpler – all you need are the inlet and outlet temperatures and flow rates of one of the streams.
Thank you for your guidance; I’ve learned a lot from it