Normally undergraduate student projects will involve Aspen Plus or Aspen Properties. To start either of these packages, be sure to look for the corresponding. in 24 Hours. Integrating Aspen Plus into the Chemical Engineering Classroom . Not Recommended: Using lecture time to prepare students for the tutorial. This manual is intended as a guide to using AspenTech’s software. Beginning with Aspen Plus , there is also an XML Results file available from Aspen.

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This is because the default convention for stream location is Above Segment. Continue adding all components in our column and press Close.

In the inlet vapor stream sheet, if you were given vapor fraction and one other property, instead of both temperature and pressure, you can enter the percent vapor fraction under the missing property. If you’re ttuorial an entire disk, Windows XP gives a warning.

Aspen Plus information

olus This should be very similar to the manner in which you set up the absorber, except that you now have to include a Reboiler when you get to the Pluus page.

The stream names Aspen Pinch creates are derived from the Aspen Plus block names. Enter the email address you signed up with and we’ll email you a reset link. Convention dictates that red lines on top represent hot streams, and blue lines on bottom represent cold streams.

Start every problem with a sketch, a material balance and a heat balance and you will spend a lot less time trying to get yo ur process to converge. By now, you should realize that whenever tabs displayit means you need to enter more information before moving onto the next step. If you are performing an simulation where you want to show all gutorial results in a range, merely choosing a range both above and below the initial guess, then narrowing the range down can be quite useful.

One of the best suggestions we can give is to use the GPSA Handbook, and find initial estimates for your specific column. While doing this, we maintained total recovery of propane, while increasing the purity of the tops to plua It works in a similar fashion as FACT method, by pro-rating each item and area, but does so 111.


a more detailed manner. You may notice that, with a column aepen greater than 80 psig, there is no appreciable loss in propane, however a significant amount of our lower weight hydrocarbons are removed. You can view your results by clicking on Results Summary, then choosing the Streams folder to obtain the resulting stream compositions, or you can click on the Convergence folder to obtain your new packing height.

Aspen Technology

To input and edit your choice, click on the Properties folder. Since the packing type was not specified in the problem, you are free to pick any type. Right clicking stops you from placing drums on the screen. If you are feeding to the bottom of a column below the lowest tray you must change the Stage Convention from Above -Stage the default to On-Stage. However, since you need the feed going to both columns at psi, apen will require the addition of tutoral pump as well.

You will, at the very least, see warnings everywhere. Make sure you update your virus definitions every two or three weeks. If this is not the case, do not attempt at all, since this will be very tedious and potentially unreliable.

If you have entered all information and need to go back to something else, feel free to pick the section you desire on the left bar of the screen. Solid Liquid Separation The Solid-Liquid Separation Process Manual contains 11 volumes and covers topics that include equipment selection, cake filtration, clarification filters, thin layer filters, sedimentation processes, filtering centrifugation, sedimenting centrifugation, less common separation processes, filter media, and ancillary processes.

You can either Propane scroll down the list in Aspen or select and copy the desired 20 columns and view them in Excel. Our first converging run produces the following results: This indicates that our reflux ratio should be around 1. If we were to set adpen condenser pressure that high, too much of the heavier components would vaporize.


The lean oil and hydrocarbons leave the bottom of the absorber, and are introduced to the top of a stripping column, where some propane and lighter hydrocarbons are removed tutorjal a vapor stream created by a reboiler. You can repeat this to add additional users. Think of pluw flowsheet variable as that which is watched as Aspen performs its calculations, so it would likely be either mole fraction of Ethane in the liquid or vapor streams.

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I speak from experience when I say that you will probably receive errors otherwise. Because of this, the Operating Specifications at the bottom of the screen should have both condenser and reboiler duty set at 0, which is what we want.

Aspen Process Manual

It gives you numerous options for deciding on a calculation method. Once you are done, click the Next button.

The names for streams that you choose in your flowsheet are not going to be the same names that Aspen Pinch chooses. You might very well achieve a better separation. You will need to find the outlet acetone zspen in the water.

A lot of OSBL tends to be project- specific, so be careful with sizing. Now you should see streams added for your hot and cold utilities.

Follow the same steps, starting with the largest streams heading into the pinch these should be cold streams nowand move outward. Again, if you are a little unsure of what this screen should look like, to the right is an example.

You can rename the components by changing their Component ID, and choosing Rename at the screen that pops up. Monday, Apsen 13,