A New Cryogenic Air Separation Process with Flash Separator-Reference-Cited by-同舟云学术

A New Cryogenic Air Separation Process with Flash Separator

Published:2013-06-27 Issue: Volume:2013 Page:1-4
ISSN:2090-5211
Container-title:ISRN Thermodynamics
language:en
Short-container-title:ISRN Thermodynamics

Author:

Khalel Zeinab A. M.¹,Rabah Ali A.¹,Barakat Taj Alasfia M.¹^ORCID

Affiliation:

1. Department of Chemical Engineering, Faculty of Engineering, University of Khartoum, P.O. Box 321, Khartoum 11111, Sudan

Abstract

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.

Publisher

Hindawi Limited

Subject

General Engineering

Link

http://downloads.hindawi.com/archive/2013/253437.pdf

Reference6 articles.

1. Moderate-pressure cryogenic air separation process

2. Argon production from air distillation: Use of a heat pump in a ternary distillation with a side rectifier

3. A novel cryogenic air separation process based on self-heat recuperation

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