CO2 Capture Using Monoethanolamine in a Bubble-Column Scrubber

被引：35

作者：

Chen, Pao-Chi ^{[1
]}

Luo, Yi Xin ^{[1
]}

Cai, Pao Wein ^{[1
]}

机构：

[1] Lunghwa Univ Sci & Technol, Dept Chem & Mat Engn, Kueishan, Taoyuang, Taiwan

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2015年 / 38卷 / 02期

关键词：

Absorption; CO2; capture; Mass transfer coefficient; Monoethanolamine; Scrubber; MASS-TRANSFER COEFFICIENT; CARBON-DIOXIDE; STRIPPER CONFIGURATIONS; AQUEOUS-SOLUTIONS; ABSORPTION; REMOVAL; KINETICS; ALKANOLAMINES; SEPARATION; MEA;

D O I：

10.1002/ceat.201400240

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A continuous bubble-column scrubber, capturing CO2 gas by monoethanolamine (MEA) solution in a pH-stat operation, is used to search for optimum process parameters by means of the Taguchi method. The process variables are the pH of the solution, gas flow rate, concentration of CO2 gas, and temperature. From the measured outlet CO2 gas concentrations, the absorption rate and overall mass transfer coefficient can be determined with the support of a steady-state material balance equation as well as a two-film model. According to the signal-to-noise ratio, the significance sequence influencing the parameters and optimum conditions can be determined. CO2 concentration and pH value proved to be decisive parameters, while temperature and gas flow rate were minor. Five sets of optimum conditions were obtained and could be further verified by empirical equations.

引用

页码：274 / 282

页数：9

共 41 条

[1]

Al-Naimi SA, 2013, AL KHWARIZMI ENG J, V9, P60, DOI DOI 10.1021/IE0505458

[2]

[Anonymous], 1989, GAS LIQUID SOLID FLU, DOI DOI 10.1016/j.cep.2008.04.003

[3] High-efficiency structured packing for CO2 separation using 2-amino-2-methyl-1-propanol (AMP) [J].

Aroonwilas, A ;

Tontiwachwuthikul, P .

SEPARATION AND PURIFICATION TECHNOLOGY, 1997, 12 (01) :67-79

[4] Behavior of the mass-transfer coefficient of structured packings in CO2 absorbers with chemical reactions [J].

Aroonwilas, A ;

Veawab, A ;

Tontiwachwuthikul, P .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 1999, 38 (05) :2044-2050

[5]

Badea Adrian Alexandra, 2012, University "Politehnica" of Bucharest, Scientific Bulletin Series D: Mechanical Engineering, V74, P21

[6] Comprehensive study of the kinetics of the oxidative degradation of CO2 loaded and concentrated aqueous monoethanolamine (MEA) with and without sodium metavanadate during CO2 absorption from flue gases [J].

Bello, A ;

Idem, RO .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2006, 45 (08) :2569-2579

[7]

Butler J.N., 1982, Carbon Dioxide Equilibria and their Applications

[8] Scrubbing of CO2 greenhouse gases, accompanied by precipitation in a continuous bubble-column scrubber [J].

Chen, Pao-Chi ;

Shi, Welly ;

Du, Ruby ;

Chen, Vanessa .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2008, 47 (16) :6336-6343

[9] Removal characteristics of CO2 using aqueous MEA/AMP solutions in the absorption and regeneration process [J].

Choi, Won-Joon ;

Seo, Jong-Beom ;

Jang, Sang-Yong ;

Jung, Jong-Hyeon ;

Oh, Kwang-Joong .

JOURNAL OF ENVIRONMENTAL SCIENCES, 2009, 21 (07) :907-913

[10]

Cormos A. M., 2010, 20 EUR S COMP AID PR

← 1 2 3 4 5 →