ZIF-8/mycelium composite material and preparation method and application thereof
A technology of ZIF-8 and composite materials, which is applied in chemical instruments and methods, fungi, biological water/sewage treatment, etc., can solve problems such as difficult large-scale production and application, difficult transportation, storage, and complicated preparation steps, and achieve mechanical Good performance, fast adsorption rate, simple filtration and recovery effect
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Embodiment 1
[0030] To prepare potato medium, take 200g of peeled potatoes, shred them, put them in water and cook for about 10 minutes, until they can be broken easily with a glass rod, after a little cooling, filter them with gauze and pour them into a 1L measuring cup, and wring out the water in the potato dregs Add 20g of glucose, 0.5g of magnesium sulfate and 1.0g of potassium dihydrogen phosphate, set the volume to 1L, stir well, pour into 5 Erlenmeyer flasks, each about 200mL, seal them with a parafilm, and put them into a sterilizer Sterilize at 115°C for 15 minutes to obtain a liquid medium. Inoculate the concentration 10 with the inoculation volume of 2% of the medium volume 6 ~10 7 Mucormucedo (Linnaeus) Fresenius, preservation number CCTCC AF 93229) bacteria liquid per ml was inoculated into the liquid medium for culture, and then placed in a constant temperature shaking box with a temperature of 30°C and a rotation speed of 160r / min for 3 days; Use a 5mL pipette gun to pipet...
Embodiment 2
[0032] Cultivate Penicillium, Rhizopus, Aspergillus niger respectively with the mycelia culture method among the embodiment 1, pipette 3mL bacterium liquid (concentration is 10g / L) volumetric amount with 5mL pipetting gun, vacuum suction film-forming, put into 60 Dry in an oven at ℃ for 1 min, and the dry weight is 30 mg; weigh 0.9803g 2-methylimidazole and dissolve it in 10mL methanol, and dissolve 0.8902g zinc nitrate in 30mL methanol. Put it into an ultrasonic synthesizer, adjust the power to 800w, stir at 200rpm, and react at room temperature for 2 hours. The obtained material is clamped out with tweezers, washed with water, and dried at 60°C for 6 hours to obtain ZIF-8 / mycelia ( Penicillium, Aspergillus niger or Rhizopus) material, microscopically as image 3 .
Embodiment 3
[0034]Use a 5mL pipette gun to pipette 10mL of bacterial solution (concentration: 5g / L), vacuum filter to form a film, put it in a 60°C oven for 2 minutes, dry weight 50mg, weigh 0.9704g of 2-methylimidazole and dissolve it in 10mL Methanol, 0.8925g of zinc nitrate was dissolved in 30mL of methanol, mixed after it was completely dissolved, and added to the membrane that had been suction-filtered, without a stirrer, put it into an ultrasonic synthesizer, adjusted the power to 100w, and reacted at room temperature for 2h to obtain the material as Take it out with tweezers, wash it with clean water, and dry it at 60°C for 6 hours to obtain ZIF-8 / mycelia material, microscopically as Figure 4 .
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