Modified red soil for removing cyanobacteria and preparation method
A red soil and modified technology, applied in chemical instruments and methods, water/sewage treatment, sterilization/microdynamic water/sewage treatment, etc. High cost and other issues, to achieve the effect of simple preparation method, low preparation cost and improved removal rate
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Embodiment 1
[0039] A modified red soil for removing cyanobacteria, in parts by weight, it consists of the following raw material ratios:
[0040] 32 parts red soil
[0041] Polyepichlorohydrin-dimethylamine 5 parts
[0042] Polyferric sulfate 5 parts
[0043] 958 parts of water.
[0044] Further, the mass content of active aluminum in the red soil is 5-15%, the mass content of active iron is 4-10%, the mass content of organic matter is 0.2-1%, and the mass content of total phosphorus is 0.01-0.03%. The polyepichlorohydrin-dimethylamine has a molecular weight of 150,000-250,000, and the total iron mass content of the polyferric sulfate is 18.5-21%.
[0045] A method for preparing modified red soil for removing cyanobacteria, comprising the following steps:
[0046] Step 1, weighing 5 g of polyepichlorohydrin-dimethylamine, adding water and stirring to dilute to 20 g / l, to obtain polyepichlorohydrin-dimethylamine mother liquor;
[0047] Step 2, weighing 5 g of polyferric sulfate is dil...
Embodiment 2
[0056] The modified red soil for removing blue-green algae in the present embodiment, by weight, it is made up of following raw material proportioning:
[0057] Red soil 20 parts
[0058] Polyepichlorohydrin-dimethylamine 1 part
[0059] Polyferric sulfate 1 part
[0060] 972 parts of water.
[0061] Further, the mass content of active aluminum in the red soil is 5-15%, the mass content of active iron is 4-10%, the mass content of organic matter is 0.2-1%, and the mass content of total phosphorus is 0.01-0.03%. The polyepichlorohydrin-dimethylamine has a molecular weight of 150,000-250,000, and the total iron mass content of the polyferric sulfate is 18.5-21%.
[0062] A method for preparing modified red soil for removing cyanobacteria, comprising the following steps:
[0063] Step 1, weighing 1 g of polyepichlorohydrin-dimethylamine, adding water and stirring to dilute to 20 g / l, to obtain polyepichlorohydrin-dimethylamine mother liquor;
[0064] Step 2, weighing 1 g of ...
Embodiment 3
[0068] The modified red soil for removing blue-green algae in the present embodiment, by weight, it is made up of following raw material proportioning:
[0069] Red soil 100 parts
[0070] Polyepichlorohydrin-dimethylamine 25 parts
[0071] Polyferric sulfate 30 parts
[0072] 875 parts of water.
[0073] Further, the mass content of active aluminum in the red soil is 5-15%, the mass content of active iron is 4-10%, the mass content of organic matter is 0.2-1%, and the mass content of total phosphorus is 0.01-0.03%. The polyepichlorohydrin-dimethylamine has a molecular weight of 150,000-250,000, and the total iron mass content of the polyferric sulfate is 18.5-21%.
[0074] A method for preparing modified red soil for removing cyanobacteria, comprising the following steps:
[0075] Step 1, weigh the polyepichlorohydrin-dimethylamine of 25 g, add water and stir and dilute to 20 g / l, obtain polyepichlorohydrin-dimethylamine mother liquor;
[0076] Step 2, the polymerized fe...
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