Effect of ammonia on the kinetics of sulfur dioxide absorption into aqueous 2-amino-2-methyl-1-propanol solutions

被引：2

作者：

Jeon, Soo-Bin ^{[1
]}

Cho, Joon-Hyung ^{[1
]}

Kang, Min-Kyoung ^{[1
]}

Lee, Sang-Sup ^{[2
]}

Kim, Bong-Jun ^{[1
]}

Oh, Kwang-Joong ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Environm Engn, San 30 Jangjeon Dong, Busan 609735, South Korea

[2] Chungbuk Natl Univ, Dept Environm Engn, Cheongju 361763, South Korea

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2017年 / 81卷

关键词：

Kinetics; Absorption; Sulfur dioxide; 2-amino-2-methyl-1-propanol; Ammonia; Reaction rate; CARBON-DIOXIDE; SO2; ABSORPTION; CO2; REMOVAL; SOLUBILITY; AMINES; ACID; DIFFUSIVITY; GAS; N2O;

D O I：

10.1016/j.jtice.2017.08.003

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Rate constants for the reaction of aqueous 2-amino-2-methyl-l-propanol (AMP)/ammonia (NH3) solutions with SO2 were determined by measuring their SO2 absorption rates. The SO2 absorption characteristics of 30 wt% AMP solutions with added NH3(1, 3, and 5 wt%) were investigated using a stirred-cell reactor, and the rates of SO2 absorption into the aqueous blended amine solutions were measured. The addition of 5 wt% NH3 to AMP significantly increases the SO2 absorption rate, as well as the rate constant for the reaction of AMP with SO2 by 197%. The relevant Arrhenius expressions were found to be k(AMP,SO2) = 50.787 x 10(7) exp(-3880.47/T), and k(AMP+NH3,SO2) = 377.168 x 10(7) exp(-4283.71/T). (c) 2017 Published by Elsevier B.V. on behalf of Taiwan Institute of Chemical Engineers.

引用

页码：175 / 181

页数：7

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