Citation: YANG Li-xia, LIU Dan, SHANG Ya-ning, ZHANG Peng, LIU Cheng-wei, GUI Jian-zhou. A simple and controllable preparation of double salt Na₂MgCO₃ as an efficient CO₂ absorbent[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(7): 886-890. shu

A simple and controllable preparation of double salt Na₂MgCO₃ as an efficient CO₂ absorbent

1.
State Key Laboratory of Separation Membranes and Membrane Processes, School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China
2.
School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China

Corresponding author: LIU Dan, ldan2000@163.com GUI Jian-zhou, jzgui@hotmail.com
Received Date: 2 April 2018
Revised Date: 24 May 2018

Fund Project: The project was supported by the National Nature Science Foundation of China (21576211), Key Scientific and Innovative Research Team in the University of Tianjin (TD13-5031) and 131 Innovation Team of Tianjin131 Innovation Team of Tianjin the National Nature Science Foundation of China 21576211Key Scientific and Innovative Research Team in the University of Tianjin TD13-5031

Figures(7)

A series of sodium-magnesium double-salt as CO₂ absorption materials with controllable morphologies were prepared by simple mixing method using sodium carboxymethyl cellulose as morphology-directing agent, and then characterized by XRD, SEM and TG. Finally, their CO₂ absorption capability was evaluated by both saturation absorption tests at fixed temperature and dynamic absorption-desorption cyclic experiments. A uniform nanosheet-assembled absorbent, with 0.3 g sodium carboxymethyl cellulose added during preparation, can be obtained with a saturated absorption capacity of 22.8%. Meanwhile, good recycling capacity has been maintained at about 9.7% without apparent changes even after 20 cycles of dynamic absorption-desorption experiment.
- controllable preparation,
- morphology-directing,
- sodium-magnesium double-salt,
- temperature-swing absorption
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沈阳化工大学材料科学与工程学院沈阳 110142

A simple and controllable preparation of double salt Na2MgCO3 as an efficient CO2 absorbent

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通讯作者: 陈斌, bchen63@163.com

A simple and controllable preparation of double salt Na₂MgCO₃ as an efficient CO₂ absorbent