CO2 Sequestration in Mixtures of Sodium Humate and Waste Gypsum

被引：1

作者：

Sun, Zhiguo ^{[1
]}

Xie, Hongyong ^{[1
]}

Xu, Zhongping ^{[1
]}

机构：

[1] Shanghai Second Polytech Univ, Sch Urban Dev & Environm Engn, Shanghai 201209, Peoples R China

来源：

RENEWABLE ENERGY AND ENVIRONMENTAL TECHNOLOGY, PTS 1-6 | 2014年 / 448-453卷

关键词：

carbon dioxide sequestration; humate; waste gypsum; SIMULTANEOUS REMOVAL; FLUE-GAS; SO2; ADSORBENTS; CAPTURE; NO2;

D O I：

10.4028/www.scientific.net/AMM.448-453.634

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：

A novel process of CO2 sequestration in mixtures of sodium humate (HA-Na) and waste gypsum was proposed. Experiments investigated the CO2 absorption properties for HA-Na solution. HA-Na solution shows great performance in CO2 absorption, and the CO2 absorption amount reaches to 0.96 mol for 3 hours with 100 mL HA-Na solution (0.04 g/mL), at the condition of 15 degrees C, gas flow rate of 40 mL/h. the CO2 sequestration mechanism by HA-Na and desulfurization gypsum (DG) was analyzed. CaSO4 plays a key role in the CO2 absorption by HA-Na solution. A permanent method of CO2 sequestration is achieved by the mixtures of HA-Na and waste gypsum.

引用

页码：634 / 637

页数：4

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