Modification of Activated Carbon Using Nitration Followed by Reduction for Carbon Dioxide Capture | Zendy

Shafeeyan Mohammad Saleh | Zendy; Houshmand Amirhossein | Zendy; AramiNiya Arash | Zendy; Razaghizadeh Hosain | Zendy; Daud Wan Mohd Ashri Wan | Zendy

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Modification of Activated Carbon Using Nitration Followed by Reduction for Carbon Dioxide Capture

Author(s) -

Shafeeyan Mohammad Saleh,

Houshmand Amirhossein,

AramiNiya Arash,

Razaghizadeh Hosain,

Daud Wan Mohd Ashri Wan

Publication year - 2015

Publication title -

bulletin of the korean chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.237

H-Index - 59

ISSN - 1229-5949

DOI - 10.1002/bkcs.10100

Subject(s) - adsorption , nitration , chemistry , carbon dioxide , desorption , activated carbon , isothermal process , surface modification , nuclear chemistry , organic chemistry , physics , thermodynamics

Activated carbon ( AC ) samples were modified using nitration followed by reduction to enhance their CO 2 adsorption capacities. Besides characterization of the samples, investigation of CO 2 capture performance was conducted by CO 2 isothermal adsorption, temperature‐programmed ( TP ) CO 2 adsorption, cyclic CO 2 adsorption–desorption, and dynamic CO 2 adsorption tests. Almost all modified samples showed a rise in the amount of CO 2 adsorbed when the comparison is made in unit surface area. On the other hand, some of the samples displayed a capacity superior to that of the parent material when compared in mass unit, especially at elevated temperatures. Despite ~65% decrease in the surface area, TP‐CO 2 adsorption of the best samples exhibited increases of ~10 and 70% in CO 2 capture capacity at 30 and 100 °C, respectively.

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