Preparation of carbon dioxide adsorbents from the chemical activation of urea-formaldehyde and melamine-formaldehyde resins

被引：229

作者：

Drage, T. C.

Arenillas, A.

Smith, K. M.

Pevida, C.

Piippo, S.

Snape, C. E.

机构：

[1] Univ Nottingham, Sch Chem Environm & Mining Engn, Nottingham Fuel & Energy Ctr, Nottingham NG7 2RD, England

[2] CSIC, Inst Nacl Carbon, Dept Energy & Environm, E-33080 Oviedo, Spain

来源：

FUEL | 2007年 / 86卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

adsorption; carbon materials; CO2; adsorbents;

D O I：

10.1016/j.fuel.2006.07.003

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：

Adsorption is considered to be one of the more promising technologies for the capture of CO2 from flue gases. In general, nitrogen enrichment is reported to be effective in enhancing the specific adsorbent-adscirbate interaction for CO2. Nitrogen enriched carbons were produced from urea-formaldehyde and melamine-formaldehyde resins polymerised in the presence of K2CO3 as a chemical activation agent, with activation undertaken over a range of temperatures. CO2 adsorption capacity was determined to be dependent upon both textural properties and more importantly nitrogen functionality. Adsorbents capable of capturing above 8 wt-% CO2 at 25 degrees C were produced from the chemical activation of urea-formaldehyde resin at 500 degrees C. Chemical activation seems to produce more effective adsorbents than CO2 activation. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：22 / 31

页数：10

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