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Reactive kinetics of carbon dioxide loaded aqueous blend of 2‐amino‐2‐ethyl‐1,3‐propanediol and piperazine using a pressure drop method
Author(s) -
Ullah Sami,
Suleman Humbul,
Tahir Muhammad Suleman,
Sagir Muhammad,
Muhammad Shabbir,
AlSehemi Abdullah G.,
Zafar MasoodurRauf,
Kareem Firas A. Abdul,
Maulud Abdulhalim Shah,
Bustam Mohamad Azmi
Publication year - 2019
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.21252
Subject(s) - chemistry , piperazine , alkanolamine , carbon dioxide , kinetics , aqueous solution , reaction rate constant , propanediol , drop (telecommunication) , organic chemistry , analytical chemistry (journal) , telecommunications , physics , quantum mechanics , computer science
In this study, a new pressure drop method has been used to investigate the kinetics of carbon dioxide reaction with aqueous blend of 2‐amino‐2‐ethyl‐1,3‐propanediol (AEPD) with piperazine (PZ). The blending of a small amount of PZ with AEPD has a significant effect on the observed rate constant, k obs . It was observed that k obs values of the blend increased more than twice than the summation of k obs values of individual alkanolamines. The reaction kinetics in this study were modeled by assuming a termolecular mechanism. The addition of 0.1 mol/L of PZ to 1 mol/L AEPD exhibited an observed rate constant, k obs of 8824.1 s −1 , which is comparable to other alkanolamine mixtures. Hence, PZ/AEPD mixtures can be potentially used for rapid carbon dioxide capture.