A review on the effect of amination pretreatment for the selective separation of CO2

被引:40
作者
Adelodun, Adedeji Adebukola [1 ]
Kim, Ki-Hyun [2 ]
Ngila, Jane Catherine [1 ]
Szulejko, Jan [2 ]
机构
[1] Univ Johannesburg, Dept Appl Chem, Fac Sci, ZA-2028 Johannesburg, South Africa
[2] Hanyang Univ, Dept Civil & Environm Engn, Seoul 133791, South Korea
基金
新加坡国家研究基金会;
关键词
Amination; Ammoxidation; Carbon dioxide; Adsorption; Surface energy; METAL-ORGANIC FRAMEWORK; ACTIVATED CARBON; SURFACE-CHEMISTRY; HYDROGEN-PEROXIDE; FUNCTIONAL-GROUPS; NITRIC-ACID; ADSORPTION; CAPTURE; DIOXIDE; AMMONIA;
D O I
10.1016/j.apenergy.2015.08.107
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
For the cost-effective control of unregulated CO2 emissions, its capture through modifications to adsorbents has recently gained much attention. In this respect, amination through basification of activated carbon (AC) surface is one of the practical approaches to separate CO2. To learn more about such mechanism, a number of key variables (e.g., the nature of the AC surface groups, their CO2 absorption enthalpy, and the effect of amination on adsorption) are reviewed. The potent role of amination is hence described with respect to the significance of pretreatment prior to amination technique by comparing the performance of diverse media (e.g., advanced oxidation processes (AOP), Ca(NO3)(2), and KOH) for such application. The analysis of collected adsorption data suggests that the efficiency of amination and eventual selective adsorption of CO2 can be improved by such pretreatment as KOH sintering in terms of inducing stronger surface CO2 binding energy. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:631 / 642
页数:12
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