Preparation method and application of bimetallic MOF based on MOF-808
A MOF-808, bimetallic technology, applied in chemical instruments and methods, other chemical processes, water/sludge/sewage treatment, etc., can solve the problems of poor reuse performance and low adsorption capacity, and achieve excellent repeatability, Improved adsorption capacity and good stability
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specific Embodiment approach 1
[0027] Specific implementation mode 1: This implementation mode is a method for preparing a bimetallic MOF based on MOF-808, which is specifically carried out according to the following steps:
[0028] One, the ZrOCl 2 ·8H 2 O and FeCl 3 Dissolve in DMF together, oscillate ultrasonically for 15min~20min, then add trimesic acid, continue ultrasonically oscillating for 10min~15min, then transfer to the reaction kettle, add formic acid, keep warm in an oven at 130℃~150℃ for 48h~50h, cool Suction filtration after reaching room temperature, retain the filter cake;
[0029] The ZrOCl 2 ·8H 2 O and FeCl 3 The molar ratio is 1:(0.1~4);
[0030] The FeCl 3 The volume ratio of the amount of substance to DMF is (0.8mmol~6.4mmol): 60mL;
[0031] The trimesic acid and FeCl 3 The molar ratio is 1:(0.25~1.5);
[0032] The volume of described DMF and formic acid is identical;
[0033] 2. ①Immerse the filter cake in DMF and then soak for 4h~6h, and then filter with suction; then imm...
specific Embodiment approach 2
[0038] Embodiment 2: This embodiment differs from Embodiment 1 in that: in step 1, heat preservation in an oven at 130° C. for 48 hours, and suction filtration after cooling to room temperature to retain the filter cake. Others are the same as the first embodiment.
specific Embodiment approach 3
[0039] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: ZrOCl described in step one 2 ·8H 2 O and FeCl 3 The molar ratio is 4:1. Others are the same as those in Embodiment 1 or 2.
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