Adsorption membrane system and preparation method using immobilized Microcystis
A technology of microcystis membrane and microcystis, which is applied in the field of water treatment, can solve the problems of low efficiency and small contact area, and achieve the effects of complete system, increasing contact area and enhancing the strength of immobilized microalgae.
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Embodiment 1
[0040] The Microcystis liquid is salvaged, expanded and cultivated at room temperature, and then concentrated for later use. First add the mixed solution of fixative sodium alginate and polyvinyl alcohol for mixing, then add the cross-linking agent after mixing to change its molecular structure to make it stronger; add the prepared concentrated algae to the cross-linked fixative After constant volume, the fixative added to the algae liquid is further cross-linked, so that it can be fully mixed and connected with the algae liquid.
[0041] The immobilized Microcystis membrane was made according to the following method: first coat a layer of polyvinyl alcohol with a concentration of 15% on the flat plate, and dry it at low temperature for 24 hours; dialdehyde), and finally pour the previously prepared mixed algae solution on the flat plate for one-sided cross-linking fixation, and then spray the fixative (CaCl 2 Mixed solution with boric acid) for shaping, simply correct the ed...
Embodiment 2
[0046] The microcystis liquid is salvaged, expanded and cultured in an indoor algae culture device, and then concentrated for later use. First add the mixed solution of fixative sodium alginate and polyvinyl alcohol for mixing, then add the cross-linking agent after mixing to change its molecular structure to make it stronger; add the prepared concentrated algae to the cross-linked fixative After constant volume, the fixative added to the algae liquid is further cross-linked, so that it can be fully mixed and connected with the algae liquid.
[0047] The immobilized Microcystis membrane was made according to the following method: first coat a layer of polyvinyl alcohol with a concentration of 10% on the flat plate, and dry it at low temperature for 24 hours; dialdehyde), and finally pour the previously prepared mixed algae solution on the flat plate for one-sided cross-linking fixation, and then spray the fixative (CaCl 2Mixed solution with boric acid) for shaping, simply cor...
Embodiment 3
[0052] The microcystis liquid is salvaged, expanded and cultured in an indoor algae culture device, and then concentrated for later use. First add the mixed solution of fixative sodium alginate 3% (w / v) and polyvinyl alcohol 9% (w / v) for mixing, then add cross-linking agent after mixing to change its molecular structure to make it stronger; The concentrated algae liquid prepared before was added to the fixative after linking, and the volume was fixed; after constant volume, the fixative added to the algae liquid was further cross-linked for 10 hours, so that it was fully mixed and connected with the algae liquid. Pour the fully cross-linked mixed solution evenly into the template and dry it for 4-24 hours for setting (external shape setting) and demoulding. After setting, put the demoulded immobilized Microcystis membrane into CaCl 2 and the boric acid mixed solution for the second time to set the shape (the internal structure is set), and the fixed microalgae membrane after s...
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