Carbon Dioxide Capture from the Air Using a Polyamine Based Regenerable Solid Adsorbent

被引：452

作者：

Goeppert, Alain ^{[1
]}

Czaun, Miklos

May, Robert B.

Prakash, G. K. Surya

Olah, George A.

Narayanan, S. R.

机构：

[1] Univ So Calif, Loker Hydrocarbon Res Inst, Los Angeles, CA 90089 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 50期

基金：

美国能源部;

关键词：

EXPANDED MESOPOROUS SILICA; MOLECULAR-SIEVE; CO2; CAPTURE; HIGH-CAPACITY; REMOVAL; GAS; ADSORPTION; MONOETHANOLAMINE; DEGRADATION; SEPARATION;

D O I：

10.1021/ja2100005

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Easy to prepare solid materials based on fumed silica impregnated with polyethylenimine (PEI) were found to be superior adsorbents for the capture of carbon dioxide directly from air. During the initial hours of the experiments, these adsorbents effectively scrubbed all the CO2 from the air despite its very low concentration. The effect of moisture on the adsorption characteristics and capacity was studied at room temperature. Regenerative ability was also determined in a short series of adsorption/desorption cycles.

引用

页码：20164 / 20167

页数：4

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