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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.

Active Publication Date: 2015-11-11
东营国安化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problems such as unsatisfactory raw water flocculation speed of the compound water treatment agent in the prior art, to provide a rapid flocculation water treatment agent and its preparation method, and to provide a water treatment agent using the rapid flocculation water treatment agent. Treatment method, in the present invention, through the recombination of magnetic substances, the rapid settlement of flocs can be realized under the action of a magnetic field, which greatly improves the speed of water treatment

Method used

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  • Water treatment agent for quick flocculating, and preparation method and water treatment method thereof
  • Water treatment agent for quick flocculating, and preparation method and water treatment method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0047] (1) Carboxylation of graphene oxide

[0048] Add sodium hydroxide and chloroacetic acid to 5 mg / mL graphene oxide aqueous solution, graphene oxide aqueous solution: sodium hydroxide: chloroacetic acid = 1L: 2g: 2g, mix and react for 1 hour, separate and wash to obtain carboxylated oxidation Graphene;

[0049] (2) Preparation of carboxylated ferric oxide

[0050] Ferric trichloride, sodium acrylate, anhydrous sodium acetate and ethylene glycol mixture are transferred to the reaction kettle, wherein when ferric chloride, sodium acrylate, anhydrous sodium acetate and ethylene glycol are mixed, the feed ratio is 27g: 75g: 75g: 1000ml, react at 200°C, after cooling, wash with ethanol and deionized water to obtain surface carboxylated ferric oxide;

[0051] (3) Preparation of acrylamide oligomer / graphene oxide / ferric oxide composite

[0052]Mix carboxylated graphene oxide, surface carboxylated ferric oxide and acrylamide oligomer in DMSO, add EDCI, among them, DMSO: carbox...

Embodiment 1-2

[0062] In this example, the preparation process of the rapid flocculation water treatment agent is the same as Example 1-1, only the ratio of each component is adjusted.

[0063] The parts by weight of each component are as follows:

[0064] Acrylamide oligomer / graphene oxide / ferric oxide complex 8,

[0065] Polyacrylamide 35,

[0066] Iron Aluminum Polysilicate 35,

[0067] Polydimethyldiallylammonium Chloride 20,

[0068] Sodium bicarbonate 5.

Embodiment 1-3

[0070] In this example, the preparation process of the rapid flocculation water treatment agent is the same as Example 1-1, only the ratio of each component is adjusted.

[0071] The parts by weight of each component are as follows:

[0072] Acrylamide oligomer / graphene oxide / ferric oxide complex 6,

[0073] Polyacrylamide 40,

[0074] Iron Aluminum Polysilicate 30,

[0075] Polydimethyldiallylammonium Chloride 25,

[0076] Sodium bicarbonate 5.

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Abstract

The invention relates to a water treatment agent for quick flocculating, and a preparation method and a water treatment method thereof. Firstly, the invention provides the water treatment agent for quick flocculating, which comprises an acrylamide oligomer / graphene oxide / ferroferric oxide compound, polyacrylamide, polysilicate aluminum ferrite, poly dimethyl diallyl ammonium chloride and sodium bicarbonate, wherein acrylamide oligomer grafted with graphene oxide is prepared by the following three steps of carboxylation of the graphene oxide, the preparation of carboxylic ferroferric oxide and composite reaction; the water treatment agent can realize quick flocculating assisted by a magnetic field, and adapts to various complex water qualities. Secondly, the invention provides the water treatment method, which comprises the following steps of mixing, preliminarily flocculating, secondarily flocculating and filtering; an underlying water refluxing step is adopted to realize the efficient utilization of the water treatment agent, so that the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a rapid flocculation water treatment agent, a preparation method thereof and a water treatment method using the rapid flocculation water treatment agent. Background technique [0002] Water treatment agents are widely used in the field of raw water and sewage treatment, which can reduce the sensory indicators such as turbidity and color of raw water. Water treatment agents can be used to remove a variety of high-molecular organic substances, some heavy metals and radioactive substances. It can be used as an independent treatment system or combined with other treatment unit processes as pretreatment, intermediate treatment and final treatment. It can also be used It is used in the thickening process before sludge dewatering to improve the dewatering performance of sludge. [0003] In the emergency water treatment demand, it is very necessary to realize the rapid flocculat...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/54C02F1/56
Inventor 李宏亮
Owner 东营国安化工有限公司
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