Abstract
The mixed bimetal metal-organic framework Ni(0.37)Co(0.63)-MOF-74 has been constructed by the solvothermal method for NO adsorption. The results showed that bimetal Ni(0.37)Co(0.63)-MOF-74 takes up NO with a capacity of up to 174.3 cc g(-1) under ambient conditions, which is 16.3% higher than that of the best single metal Co-MOF-74. The IAST adsorption selectivity for a NO/CO(2) binary mixture can reach a maximum of 710 at low adsorption partial pressure, while the regeneration performance can be retained even after five cyclic adsorption-desorption experiments. Its separation performance was further confirmed by breakthrough experiments, indicating this new bimetal Ni(0.37)Co(0.63)-MOF-74 as one of the best materials for NO adsorption and separation in flue gas.