Water treatment agent for quick flocculating, and preparation method and water treatment method thereof
A water treatment agent and flocculation technology, applied in the field of water treatment, can solve problems such as the unsatisfactory flocculation speed of raw water, and achieve the effects of extensive and excellent adsorption properties, high-efficiency purification capacity, and improved flocculation effect.
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[0046] Example 1-1
[0047] (1) Carboxylation of graphene oxide
[0048] Add sodium hydroxide and chloroacetic acid to a 5mg / mL graphene oxide aqueous solution, graphene oxide aqueous solution: sodium hydroxide: chloroacetic acid = 1L: 2g: 2g, mixed and reacted for 1 hour, separated and washed to obtain carboxylated oxidation Graphene;
[0049] (2) Preparation of carboxylated ferric oxide
[0050] Transfer the mixture of ferric chloride, sodium acrylate, anhydrous sodium acetate and ethylene glycol to the reaction kettle, where the mixing ratio of ferric chloride, sodium acrylate, anhydrous sodium acetate and ethylene glycol is 27g:75g: 75g: 1000ml, reacted at 200°C, cooled, washed with ethanol and deionized water to obtain carboxylated ferroferric oxide;
[0051] (3) Preparation of acrylamide oligomer / graphene oxide / ferric oxide composite
[0052] Mix carboxylated graphene oxide, surface carboxylated ferroferric oxide and acrylamide oligomer in DMSO, and add EDCI, where DMSO: carboxyl...
Example Embodiment
[0061] Example 1-2
[0062] In this example, the preparation process of the water treatment agent for rapid flocculation is as in Example 1-1, with only adjustments in the ratio of each component.
[0063] The parts by weight of each component are as follows:
[0064] Acrylamide oligomer / graphene oxide / ferric oxide composite 8,
[0065] Polyacrylamide 35,
[0066] Polysilicate aluminum iron 35,
[0067] Polydimethyldiallylammonium chloride 20,
[0068] Sodium bicarbonate 5.
Example Embodiment
[0069] Example 1-3
[0070] In this example, the preparation process of the water treatment agent for rapid flocculation is as in Example 1-1, with only adjustments in the ratio of each component.
[0071] The parts by weight of each component are as follows:
[0072] Acrylamide oligomer / graphene oxide / ferric oxide composite 6,
[0073] Polyacrylamide 40,
[0074] Polysilicate aluminum iron 30,
[0075] Polydimethyldiallylammonium chloride 25,
[0076] Sodium bicarbonate 5.
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