eprintid: 5797
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/57/97
datestamp: 2023-11-09 16:17:32
lastmod: 2023-11-09 16:17:32
status_changed: 2023-11-09 16:03:54
type: article
metadata_visibility: show
creators_name: Halim, H.N.A.
creators_name: Shariff, A.M.
creators_name: Bustam, M.A.
title: High pressure CO2 absorption from natural gas using piperazine promoted 2-amino-2-methyl-1-propanol in a packed absorption column
ispublished: pub
keywords: Carbon dioxide; Ethanolamines; Flow of gases; Mass transfer; Natural gas; Solvents; Volumetric analysis, 2-amino-2-methyl-1-propanol; Amine solvents; Chemical absorption; CO2 capture; High-pressure condition; Low-pressure conditions; Structured packings; Volumetric mass transfer coefficient, Gas absorption
note: cited By 24
abstract: Monoethanolamine (MEA) is the most established solvent used in CO2 absorption studies at low-pressure conditions. However, it has several limitations, such as a low CO2 loading capacity, high degradation, and a tendency to corrode processing equipment. Therefore, this study reports the absorption performance of an alternative absorbent: the Piperazine (PZ) promoted 2-Amino-2-Methyl-1-Propanol (AMP) blended solvent for use in the removal of CO2 from natural gas (NG) in high pressure conditions. The performance of the PZ + AMP blended solvent was compared with the MEA solvent according to various operating pressures (0.1-4.0 MPa), in percentage terms of CO2 removal efficiency, as well as the overall volumetric mass transfer coefficient for the gas phase based on unit mol fraction driving force (Kyav). The absorption experiments were conducted in an absorption column packed with Sulzer metal gauze packing for the effects of total gas flow rate (33-51 kmol/m2 h), liquid flow rate (2.89-3.97 m3/m2 h), MEA concentration (20-40 wt) and liquid temperature (30-45 °C). From this study, the Kyav value of the 7 wt PZ + 23 wt AMP blended solvent was higher than the value for 30 wt MEA solvent. Nonetheless, the Kyav values for both solvents increased from a rising operating pressure, most notably at operating pressures greater than 2.0 MPa. © 2015 Elsevier B.V. All rights reserved.
date: 2015
publisher: Elsevier B.V.
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84939200966&doi=10.1016%2fj.seppur.2015.08.004&partnerID=40&md5=d6247558d840e88f4e92d0bbb20aa481
id_number: 10.1016/j.seppur.2015.08.004
full_text_status: none
publication: Separation and Purification Technology
volume: 152
pagerange: 87-93
refereed: TRUE
issn: 13835866
citation:   Halim, H.N.A. and Shariff, A.M. and Bustam, M.A.  (2015) High pressure CO2 absorption from natural gas using piperazine promoted 2-amino-2-methyl-1-propanol in a packed absorption column.  Separation and Purification Technology, 152.  pp. 87-93.  ISSN 13835866