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

YANG Li-xia; LIU Dan; SHANG Ya-ning; ZHANG Peng; LIU Cheng-wei; GUI Jian-zhou

Volume 46 Issue 7

Jul. 2018

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Article Navigation > Journal of Fuel Chemistry and Technology > 2018 > 46(7): 886-890

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.

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.

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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

Funds:

the National Nature Science Foundation of China 21576211

Key Scientific and Innovative Research Team in the University of Tianjin TD13-5031

131 Innovation Team of Tianjin

More Information

Corresponding author: LIU Dan, E-mail:ldan2000@163.com; GUI Jian-zhou, E-mail:jzgui@hotmail.com
Received Date: 2018-04-02
Rev Recd Date: 2018-05-24

Available Online: 2021-01-23

Publish Date: 2018-07-10

Abstract

Abstract

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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References(15)

References

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