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Title: Carbon dioxide pressure swing adsorption process using modified alumina adsorbents

Abstract

A pressure swing adsorption process for absorbing CO[sub 2] from a gaseous mixture containing CO[sub 2] comprises introducing the gaseous mixture at a first pressure into a reactor containing a modified alumina adsorbent maintained at a temperature ranging from 100 C and 500 C to adsorb CO[sub 2] to provide a CO[sub 2] laden alumina adsorbent and a CO[sub 2] depleted gaseous mixture and contacting the CO[sub 2] laden adsorbent with a weakly adsorbing purge fluid at a second pressure which is lower than the first pressure to desorb CO[sub 2] from the CO[sub 2] laden alumina adsorbent. The modified alumina adsorbent which is formed by depositing a solution having a pH of 3.0 or more onto alumina and heating the alumina to a temperature ranging from 100 C and 600 C, is not degraded by high concentrations of water under process operating conditions. 1 fig.

Inventors:
; ; ; ;
Issue Date:
Sponsoring Org.:
USDOE; USDOE, Washington, DC (United States)
OSTI Identifier:
6207377
Patent Number(s):
5917136
Application Number:
PPN: US 8-725593
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (United States)
DOE Contract Number:  
FC36-95GO10059
Resource Type:
Patent
Resource Relation:
Patent File Date: 3 Oct 1996
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 54 ENVIRONMENTAL SCIENCES; ADSORBENTS; ADSORPTION; ALUMINIUM OXIDES; CARBON DIOXIDE; DESORPTION; GASES; PRESSURE CONTROL; REGENERATION; SEPARATION PROCESSES; SORPTIVE PROPERTIES; ALUMINIUM COMPOUNDS; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; CONTROL; FLUIDS; OXIDES; OXYGEN COMPOUNDS; SORPTION; SURFACE PROPERTIES; 320303* - Energy Conservation, Consumption, & Utilization- Industrial & Agricultural Processes- Equipment & Processes; 540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)

Citation Formats

Gaffney, T R, Golden, T C, Mayorga, S G, Brzozowski, J R, and Taylor, F W. Carbon dioxide pressure swing adsorption process using modified alumina adsorbents. United States: N. p., 1999. Web.
Gaffney, T R, Golden, T C, Mayorga, S G, Brzozowski, J R, & Taylor, F W. Carbon dioxide pressure swing adsorption process using modified alumina adsorbents. United States.
Gaffney, T R, Golden, T C, Mayorga, S G, Brzozowski, J R, and Taylor, F W. Tue . "Carbon dioxide pressure swing adsorption process using modified alumina adsorbents". United States.
@article{osti_6207377,
title = {Carbon dioxide pressure swing adsorption process using modified alumina adsorbents},
author = {Gaffney, T R and Golden, T C and Mayorga, S G and Brzozowski, J R and Taylor, F W},
abstractNote = {A pressure swing adsorption process for absorbing CO[sub 2] from a gaseous mixture containing CO[sub 2] comprises introducing the gaseous mixture at a first pressure into a reactor containing a modified alumina adsorbent maintained at a temperature ranging from 100 C and 500 C to adsorb CO[sub 2] to provide a CO[sub 2] laden alumina adsorbent and a CO[sub 2] depleted gaseous mixture and contacting the CO[sub 2] laden adsorbent with a weakly adsorbing purge fluid at a second pressure which is lower than the first pressure to desorb CO[sub 2] from the CO[sub 2] laden alumina adsorbent. The modified alumina adsorbent which is formed by depositing a solution having a pH of 3.0 or more onto alumina and heating the alumina to a temperature ranging from 100 C and 600 C, is not degraded by high concentrations of water under process operating conditions. 1 fig.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {6}
}