NEW MODIFIED KENT-EISENBERG MODEL FOR PREDICTING CARBON DIOXIDE SOLUBILITY IN AQUEOUS 2-AMINO-2-METHYL-1-PROPANOL (AMP) SOLUTIONS
作者:
W. KRITPIPHAT,
P. TONTIWACHWUTHIKUL,
期刊:
Chemical Engineering Communications
(Taylor Available online 1996)
卷期:
Volume 144,
issue 1
页码: 73-83
ISSN:0098-6445
年代: 1996
DOI:10.1080/00986449608936446
出版商: Taylor & Francis Group
关键词: Carbon dioxide solubility model;2-amino-2-methyl-l-propanol;AMP;Sterically;hindered amine
数据来源: Taylor
摘要:
A new concept of using multiple apparent constant parameters plus sensitivity analysis was developed based on a modified Kent-Eisenberg model for predicting the carbon dioxide (CO2) solubility in aqueous 2-amino-2-methyl-l-propanol (AMP) solutions. Three apparent constants of amine protonation, dissociation and physical dissolution of C02 were identified to be the most significant parameters in the system. Previously published data were used to determine these three constants utilizing a nonlinear least-squares technique. The predictions from the present model agree well with all 121 experimental measurements available in the open literature
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