Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 328, Issue 3, Pages 951-961Publisher
SPRINGER
DOI: 10.1007/s10967-021-07747-3
Keywords
Mesoporous carbon; Amino group; U(VI); Adsorption; Functionalization
Funding
- National Natural Science Foundation of China [21906017, 21866004, 21866003]
- Science and Technology Support Program of Jiangxi Province [2018ACB21007]
- Jiangxi Program of Academic and Technical Leaders of Major Disciplines [20182BCB22011]
- Jiangxi Provincial Natural Science Foundation [20202BABL213026, 20202BABL203016]
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Mesoporous carbon functionalized with an amino group (MC-NH2) was prepared using a nitro-reduction strategy, and exhibited a high adsorption capacity for U(VI), showing potential for mitigating uranium pollution.
Mesoporous carbon (MC) functionalized with an amino group (MC-NH2) was prepared via a nitro-reduction strategy. TEM, FT-IR, porosity meter, and acid-base titration were utilized to obtain the physicochemical properties of MC-NH2. A batch adsorption experiment was conducted for U(VI) with MC-NH2. According to the results, the adsorption reached equilibrium at approximately 120 min under the optimal pH of 5.0, and the monolayer saturated adsorption capacity (q(ms)) of MC-NH2 was up to 385.98 mg center dot g(-1) for U(VI). Accordingly, adsorption of U(VI) on MC-NH2 exhibits the potential to diminish uranium pollution.
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