Graphene was prepared by graphite oxide reduction method. Graphene was used to remove Cr(VI) from water as an absorbent. Effects of pH, temperature and graphene dosage on the adsorption capacity, adsorption thermodynamics and kinetics were discussed. The results showed that graphen was a good adsorbent of Cr(VI). The adsorption behavior was the favourable adsorption, conformed the Langmuir isotherm equation well. The adsorption process was spontaneous and endothermic process, it corresponded with pseudo-secong-order kinetic model, the activation energy was 88.62 kJ/mol.
Zhigong ZHENG Jinbei YANG Jinchao GUO Ronghui SHI
. Preparation of Graphene and its Application on the Adsorption of Cr(VI)[J]. The Chinese Journal of Process Engineering, 2017
, 17(5)
: 1085
-1090
.
DOI: 10.12034/j.issn.1009-606X.217104
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