20 Questions 27 Answers 0 Followers
Questions related from Muhammad Haris Hamayun
Hello. I am facing an issue regarding the use of the TQ curve of HeatX in Aspen Plus. There are two scenarios (the specification type is: "Hot outlet temperature - cold inlet temperature...
08 July 2021 3,627 0 View
I am looking for help in finding the standard chemical exergy value of a component. For example, in literature, we can find the standard chemical exergy value of nitrogen as 0.72 kJ/mol. How one...
23 April 2021 8,528 3 View
How to add the catalyst in the rate equation in Aspen HYSYS. Currently, it is showing as the function of reactor volume (m3), and there is no option that can make the units as mol/s.g-cat.Pa....
01 April 2021 807 7 View
Hello everyone. I am currently doing dynamic study on a distillation column. How can I do sensitivity analysis on the column i.e., change in feed conditions (temperature, pressure, flowrate). I...
21 September 2020 2,499 4 View
1. Above ambient conditions 2. Below ambient conditions 3. One of condenser/re-boiler below ambient
22 January 2020 7,295 2 View
How to calculate exergy efficiency of overall process? The process contains 3 compressors, 3 heat exchangers, 2 distillation columns and 3 pumps.
07 December 2019 2,051 3 View
Procedure required to calculate both forms of exergy destruction. I have simulated a plant on real, unavoidable and theroatical conditions, but unable to do the said exergy destruction..
07 August 2019 3,261 1 View
How to calculate avoidable and unavoidable exergy destruction? e.g., if compressor have an exergy destruction of 2000 kW at 72% efficiency, and a destruction of 900 kW at 90% efficiency, then...
06 August 2019 8,756 7 View
How exergy analysis of simple (non-cryogenic) distillation column is different from exergy analysis of cryogenic distillation column? If possible, can anyone of the experts provide me equations?
25 April 2019 5,260 4 View
How to determine the exergy efficiency of heat integrated distillation columns, during cryogenic air separation. Would appreciate if anyone provide formula for both column`s.
25 February 2019 4,363 4 View
How to model vapor recompression distillation in Aspen Plus? I want to simulate it "With no condenser", but it`s giving following Error: A LIQUID FEED/PUMPAROUND TO THE TOP STAGE IS REQUIRED WHEN...
16 February 2019 8,780 3 View
I have developed a model in gProms, and want to export it to the Aspen Plus. Please guide the procedure.
01 February 2019 6,602 1 View
How we can calculate a combined efficiency of a process? e.g. if two compressors are installed, then how can we calculate their combined efficiency? If compressors, distillation column, turbine...
13 January 2019 1,790 4 View
I want to design/simulate an adsorber in Aspen Plus. As adsorber is not a part of the Aspen Plus, it needs to be exported from Aspen Custom Modeler. Can anyone help me in coding in Aspen Custom...
05 January 2019 3,766 7 View
I am using "Aspen Plus Optimizer Tool" to optimize the distillation column design with respect to reflux ratio and number of theoratical stages. However, I am unable to do sensitivity analysis,...
02 January 2019 2,695 20 View
During simulation of fluidized bed reactor in Aspen Plus v9, using coal as a fuel, the following warning appears: "VAPOR FLOW PRESENT AT SOLIDS INLET. VAPOR IS ADDED TO FLUIDIZATION GAS AFTER...
21 August 2018 9,579 3 View
Can anyone please guide me, how to model a membrane reactor for hydrogen separation in Aspen Plus or Aspen Custom Modeler? Thanks in advance for your kind cooperation.
10 August 2018 7,031 9 View
How can I model Electrolysis unit in Aspen Custom Modeler. Need kind guidance.
10 June 2018 2,549 9 View
What is significane of Free-water method in Aspen Plus? How we decide to use between Steam-TA and SteamNBS? Thanks.
03 June 2018 8,801 2 View
Hello. I am currently doing simulation in Aspen Plus. As per the reversible reaction kinetics, the % conversion should increase with decreasing pressure or increasing temperature and vice-versa....
10 March 2018 1,769 10 View
