期刊论文

Wang, Wenlei

英文

RSC Advances

2046-2069

2018

8

45

25754-25766

10.1039/c8ra04825h

National Natural Science Foundation of China [21607176]; Natural Science Foundation of Hunan Province, China [2017JJ3516]; Research Foundation of the Education Bureau of Hunan Province, China [16B274]; Open Fund for Key Discipline of Forestry of Central South University of Forestry and Technology [2016ZD11]; Youth Scientific Research Foundation of Central South University of Forestry and Technology [104\0329]

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In this paper, three-dimensional mesoporous calcium carbonate-silica frameworks have been created from the straw tufa (ST) originating from porous fossil bryophyte by a thermal activation technique. A batch of adsorption kinetic and thermodynamic experiments were used to investigate the adsorption capacity of Cd(ii) onto the samples. The ST after thermal activation has shown a significant ability for the uptake of heavy metals. It exhibited maximum adsorption capacities of 12.76 mg g(-1), 14.09 mg g(-1), 17.00 mg g(-1), and 33.81 mg g(-1) for C...