A New Cryogenic Air Separation Process with Flash Separator | Zendy

Zeinab A. M. Khalel | Zendy; Ali Rabah | Zendy; Taj Alasfia Mubarak Barakat | Zendy

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A New Cryogenic Air Separation Process with Flash Separator

Author(s) -

Zeinab A. M. Khalel,

Ali Rabah,

Taj Alasfia Mubarak Barakat

Publication year - 2013

Publication title -

isrn thermodynamics

Language(s) - English

Resource type - Journals

eISSN - 2090-5211

pISSN - 2090-5203

DOI - 10.1155/2013/253437

Subject(s) - separator (oil production) , air separation , bandwidth throttling , separation process , turbine , materials science , flash (photography) , flash evaporation , volumetric flow rate , process engineering , nuclear engineering , chemistry , chromatography , gas compressor , mechanical engineering , mechanics , engineering , thermodynamics , oxygen , physics , organic chemistry , optics

A new cryogenic air separation process with flash separator is developed. A flash separator is added to the conventional double-column cryogenic air separation process. The flash separator is used to replace the turbine required to recover a portion of the energy in the double-column air separation process. The flash separator served dual purposes of throttling and separation. Both the conventional and the new processes are simulated using Aspen Plus version 11.1 the model air flow rate and compositions are taken as 50000 Nm3/h of air at standard conditions of 1 atm and 25°C and feed composition of 79.1% N2 and 20.9% O2. The new process decreases the energy consumption and increases the productivity.

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