Absorbed Statement / Hysys

                                                                                                              This lecture introduces the use of Aspen HYSYS to model continuous gas adsorption a process in a packed column The only unit process in the absorber is the tray section and the only streams are the upper steam and the lower liquid products .

                        

PROBLEM STATEMENT

CO2 is absorbed into propylene carbonate

in a packed column. The inlet gas stream

is 20 mol% CO2 and 80 mol% methane

The gas stream flows at a rate of 2 m³/s

and the column operates at 60°C and

60.1 atm. The inlet solvent flow is 2000

kmol/h. Determine the concentration of

CO₂ (mol%) in the exit gas stream, the

column height(m) and the column

diameter(m)

 

Absorber/ HYSYS

Design an absorber

 To absorb ammonia from an Air-Ammonia mixture containing the following molar compositions Using 98% molar concentration of H2504. Pure Air of appromiately 99% is desired at the top. (Hint: Pressure of Air-NH3=2atm, Temp. of Air-NH3= 136.5, Molar flowrate of Air-NH3= 123.6).

Absorbers

Absorbers bring gas and liquid phases in contact, so that contaminants in the gas phase absorb into the liquid phase as a result of their interaction.

Shell & Tube Heat Exchanger Design

Shell & Tube Heat Exchanger Design with ASPEN HYSYS 

How does the heat exchanger is work in the HYSYS program?, we have already talked about that, but we will explain more in this video simulation design heat exchanger.

see simulation

 In this paper simulation of some process equipments were done by HYSYS , Equipment simulation is a basic work to design a chemical process plant. HYSYS is an easy and leading powerful process engineering simulation tool. Study shows the major advantages of the process simulator HYSYS over other simulation softwares and the causes of it’s preference. The equipments were chosen from typical downstream oil and gas process plants. This study involves the simulation of equipments such as heat exchangers, separators, vessels, distillation column, pumps, compressors, heaters and absorption tower.

Unit Operations in HYSYS - HYSYS Basic Course

Unit Operations 

Overview Integrated Steady State and Dynamics Simulation HYSYS uses an integrated steady state and dynamic modeling capability in which model can be evaluated from either perspective with full sharing of process information.

The components that comprise HYSYS provide a powerful approach to steady state process modeling. The comprehensive selection of operations and property methods lets you model a wide range of processes with confidence. Perhaps ever more important is how the HYSYS approach to modeling maximizes your return on simulation time through increased process understanding. The key to this is the Event Driven operation. By using a 'degrees of freedom approach, calculations in HYSYS are performed automatically. HYSYS performs calculations as soon as unit operations and property packages have enough required information

see simulation 

 

Propylene Carbonate in Trays using Absorber

ABSORBER

 Carbon dioxide is absorbed into propylene carbonate in trays. The inlet gas stream is 23mol% CO2 and 77 mol% methane. The gas stream flows the rate of 100kgmole/hr and the column operates at 59 degree C and 60atm. The inlet solvent flow is 100kgmol/h at 100% composition Determine the concentration of each component in the outlet streams (mol%) Property:

see the simulation

 

GAS COOLING PLANT /HYSYS

 Cooling gas production 

How is cooling gas production in oil fields , and what is required for associated dewatering , add to that what are the facilities required.

           see the simulation for learning more of HYSYS program

 

Plant de Production de Gas /HYSYS

 

Gas Simulation 

For this simulation we solved  

1. Methane 
2. Nitrogen 
3. Hydrogen
4. CO2
5. CO
6. H2O

see the video 

Shell and Tube heat Exchanger Simulation on Aspen hysys

Heat Exchanger 

Heat Exchanger Hot water at 500°C and 2000psig is used to heat cold stream of water in a shell and tube heat exchanger. The inlet temperature and pressure of the cold stream is 50°C and 260psig, respectively. The outlet temperature of the cold and hot streams are 300°C and 360°C, if the flow rate of the hot stream is 100kg/h, determine the flowrate of the cold stream passing throughout the exchanger

see simulation

 

Simulation HYSYS EDR

 

Design a shell and tube 

see the simulation design shell and tube using kerosene 42 API and crude oil 34 API   

The problem :

Design a shell and tube exchanger for the following duty 20,000 kg/h of kerosene (42 APO leaves the base of a kerosene side stripping column at 200°C and is to be cooled to 90°C by exchange with 70,000 kg/h light crude o (34 API) coming from storage at 40°C The kerosene enters the exchanger at a pressure of 5 br and the crude oil at 6.5 bar. A pressure drop of 0.8 bar is permissible on both streams Allowance should be made for fouling   factor of 0.0003 (W/m on the crude stream and 0.0002 (W/m C) on the kerosene stream.

see simulation 

ss

 

Pump Power Simulation

Learning Objective 

 

Free Altenrnative to HYSYS

 

DWSIM /Download and Installation

 

• DWSIM is Free and Open source software.

 

• It has great capabilities to solve.

 complex chemical engineering problems.

 

• It will be a new skill to showcase on your CV.

To download and install this program just click on the link: 

https://dwsim.inforşide.com.br/new/ 

see  simulation

 

Multicomponent Distillation HYSYS simulation

Multicomponent Distillation

 To separate equal wt% of feed mixture of Benzene, Toluene,Xylene into 3 streams each at least 99.9 wt% pure by selecting of better process sequence out of the following configuration at R/Rmin - 1.28 and 1.12 for both column respective.            

 

1 ) Sequence 1 :

Remove Xylene from the bottom of the 1st column then separate 

Benzene and Toluene from 2nd column . 

 

2 ) Sequence 2 :

 

Remove Benzene from the 1st column then separate Toluene & Xylene from 2nd column .  Feed condition: Temperature = 110 ° C , P = 1 atm. 

 

Total flow = 2000 kg/hr

 

Results and comment on your answer based on heat load .

see simulation

 

CSTR Reactor at HYSYS Simulation

Learning objectives 

>Basic understanding of CSTR.

 

>Mole balance Derivation.

 

> Simulation of CSTR in DWSIM to find volume of reactor for a given conversion.

Background

 

Homogeneous liquid phase reactions, gas-liquid phase reactions.

 

Well mixed, so properties like temperature, density is constant.

 

Good Temp control.

 

Low conversion.

 

Dead zones may occur.

 

Reactants can by-pass.

see simulation