11 Questions 21 Answers 0 Followers
Questions related from Sadah Ahmed
I want to optimize the molecular structure of ionic liquids using RDKIT and Python. Any idea?
16 July 2023 8,665 1 View
I am simulating the fate and transport of a chemical in WASP8 that biodegrades with time. I have provided all the information given in a published paper but for some reason, the concentration...
27 October 2020 9,911 0 View
I am simulating a simple stand alone absorber for CO2 capture using MEA and I want to know how to calculate the molar flow rate of the solvent. Thank you
21 December 2017 2,293 1 View
The equilibrium constant built in aspen has the following equation: ln (Keq) = A + B / T + C*ln (T) + D*T. How to determine these coefficients: A, B, C, D?
03 August 2017 1,588 8 View
I am trying to define a certain ionic liquid in Aspen plus and I don't have parameters for that components. Is there any reliable program that I can get the parameters from? Keep in mind that I am...
14 February 2017 4,627 6 View
I am using Aspen to estimate the physical properties for a certain components. So my question is, which good method that has a function group for NH3+?
17 February 2015 1,587 6 View
I am simulating a CO2 capture unit with MEA amine. Everything in the simulation converged except the recycle stream that is coming from the stripper to the absorber. I tried different operation...
22 January 2015 2,130 35 View
I need Physical and chemical properties for L-arginine like critical temperature, critical pressure and critical volume. Thanks.
31 December 2014 9,223 3 View
The following reaction shows the dissociation of 2-ethyl-ethanolamine carbamate in water giving EAE (2-ethyl-ethanolamine) and carbonate. RR'NCOO- + H2O HCO3- + EAE (a carbamate...
16 November 2014 3,020 3 View
The following reactions is called Dissociation of Carbamate. It is a carbamate anions dissociating in water to give carbonate and 2‑(Ethylamino)ethanol. I am trying to enter this reaction in Aspen...
12 November 2014 139 3 View
When I do regression in Aspen plus, this message appears and it says: [ DRS CONVERGED IN 21 ITERATIONS, BUT CONSTRAINTS ARE NOT TIGHTLY CONVERGED. WARNING WHILE EXECUTING DRS CASE: "R-1"...
22 October 2014 7,155 1 View