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Open AccessArticle

Carbon Spheres as CO2 Sorbents

1
Institute of Chemical and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Pulaskiego 10, 70-322 Szczecin, Poland
2
Engineering Faculty, Chemistry Department, Foothill College, 12345 El Monte Road, Los Altos Hills, CA 94022, USA
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(16), 3349; https://doi.org/10.3390/app9163349
Received: 27 June 2019 / Revised: 5 August 2019 / Accepted: 12 August 2019 / Published: 15 August 2019
Microporous nanocarbon spheres were prepared by using a microwave assisted solvothermal method. To improve the carbon dioxide adsorption properties, potassium oxalate monohydrate and ethylene diamine (EDA) were employed, and the influence of carbonization temperature on adsorption properties was investigated. For nanocarbon spheres containing not only activator, but also EDA, an increase in the carbonization temperature from 600 °C to 800 °C resulted in an increase of the specific surface area of nearly 300% (from 439 to 1614 m2/g) and an increase of the CO2 adsorption at 0 °C and 1 bar (from 3.51 to 6.21 mmol/g). View Full-Text
Keywords: carbon nanospheres; nanocarbon spheres; carbon dioxide uptake; EDA carbon nanospheres; nanocarbon spheres; carbon dioxide uptake; EDA
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MDPI and ACS Style

Staciwa, P.; Narkiewicz, U.; Sibera, D.; Moszyński, D.; Wróbel, R.J.; Cormia, R.D. Carbon Spheres as CO2 Sorbents. Appl. Sci. 2019, 9, 3349.

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