Hydrogen Liquefaction using Duel Refrigeration Cycles || Aspen HYSYS

This video is about the simulation of the Hydrogen Liquefaction using Duel Refrigeration Cycles in Aspen HYSYS. The major highlights of the process are:
1. Multiple component lists
2. Multiple property packages
3. LNG Exchangers
4. Compressor
5. Mixers
6. Expanders
7. Mix refrigerant
8. Nitrogen refrigerant
9. Renaming component list and property package
Timeline:
@00:02 Selection of multiple component lists
@01:04 Selection of multiple property packages
@01:44 Flowsheeting for hydrogen liquefaction
@05:12 First refrigeration cycle using mix refrigerant
@14:33 Nitrogen refrigeration cycle
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[@nasikucing-gb1wo]

Thank you very much, Sir. May you be blessed as well. I am always looking forward to more Aspen simulation videos❤❤ from you, Sir.

[@soonajs7539]

where did you get values of the composition and temperature in each stages?

[@withus_ontrip9324]

Your simulation method is perfect. However, I think the RCY-1 is not solved. Do you know how we can fix this?

[@Chemiopedia]

Yes, it's not solved. The reason is there is no flow in recycle. If there are some vapours in the stream, it will converge by itself.

[@prithvirajjayakumar5463]

why is nitrogen used in 2 component lists? both mr1 and mr2 ?

[@Chemiopedia]

nitrogen is also using as refrigerant.

[@mohamedlzr2454]

Pls i need the text of this problem

[@Chemiopedia]

Sorry I don't have any text related to this problem. This was generated using words of mouth from some friends.