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Multi-effect water treatment agent, preparation method thereof and water treatment method

A water treatment agent, acrylamide technology, applied in water/sewage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problems of single source of raw water and unsatisfactory flocculation effect, etc. To achieve the effect of strong decolorization ability, extensive and excellent adsorption properties, and wide application

Active Publication Date: 2015-11-11
ANHUI HUANGHE WATER RESOURCE POLYTRON TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention aims to provide a multi-effect water treatment agent and its preparation method, and provide a multi-effect water treatment agent that uses the multi-effect water treatment agent in order to solve the technical problems of single raw water source and unsatisfactory flocculation effect of the compound water treatment agent in the prior art. The water treatment method of water treatment agent, realizes the high-efficiency reuse of water treatment agent through the backflow technology of lower layer water, reduces the production cost and improves the water treatment efficiency

Method used

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  • Multi-effect water treatment agent, preparation method thereof and water treatment method
  • Multi-effect water treatment agent, preparation method thereof and water treatment method

Examples

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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 4 hours, separate and wash to obtain carboxylated oxide Graphene;

[0049] (2) Grafted graphene oxide with acrylamide oligomer

[0050] Graphene oxide and acrylamide oligomer were mixed in DMSO, and EDCI was added, wherein DMSO: graphene oxide: acrylamide oligomer: EDCI=1L: 8g: 90g: 50g. Reflux reaction at 45°C, separate and wash to obtain acrylamide oligomer grafted graphene oxide;

[0051] (3) Preparation of multi-effect water treatment agent

[0052] Above 45℃, the grafted graphene oxide of acrylamide oligomer, polyacrylamide, and polydimethyldiallyl ammonium chloride are uniformly mixed in proportion and cooled down to room temperature naturally. Sodium hydrogen, mix well.

[0053] The parts by weight of each component are as follows:...

Embodiment 1-2

[0055] Example 1-2: In this example, the preparation process of the multi-effect water treatment agent is the same as that of Example 1-1, only the proportion of each component is adjusted.

[0056] The parts by weight of each component are as follows: acrylamide oligomer grafted graphene oxide 8, polyacrylamide 35, polyaluminum ferric silicate 35, polydimethyldiallyl ammonium chloride 20, sodium bicarbonate 5 .

Embodiment 1-3

[0057] Example 1-3, in this example, the preparation process of the multi-effect water treatment agent is the same as that of Example 1-1, only the proportion of each component is adjusted.

[0058] The parts by weight of each component are as follows: acrylamide oligomer grafted graphene oxide 6, polyacrylamide 40, polyaluminum ferric silicate 30, polydimethyldiallyl ammonium chloride 25, sodium bicarbonate 5 .

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Abstract

The invention relates to a multi-effect water treatment agent, a preparation method thereof and a water treatment method. The multi-effect water treatment agent is prepared from acrylamide oligomer grafting graphene oxide, polyacrylamide, polysilicate aluminum ferrite, poly(diallyl dimethyl ammonium chloride) and sodium bicarbonate, wherein the acrylamide oligomer grafting graphene oxide is prepared by two steps of graphene oxide carboxylation and grafting reaction. The multiple-effect water treatment agent can adapt to multiple complex water qualities, and particularly can effectively remove benzene compounds and heavy metal ions. The water treatment method comprises stages of mixing, preliminary flocculation, secondary flocculation and filtering; the efficient utilization of the water treatment agent is realized by using a lower water backflow step, and the production cost is lowered.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a multi-effect water treatment agent, a preparation method thereof, and a water treatment method using the multi-effect water treatment agent. Background technique [0002] In the field of water treatment, flocculation sedimentation is a commonly used treatment method, which has the advantages of simple operation, low cost and good treatment effect. The mechanism of flocculation is generally considered to be the effect of compressing the electric double layer and neutralizing the charge, the adsorption and bridging effect of the polymer water treatment agent, and the sweeping and sedimentation effect of the flocs. The process of flocculation is a process in which colloidal particles lose their stability, and colloidal substances and small suspended particles aggregate into larger particles, which are easily precipitated from the liquid. The addition of water treatment ag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/54C02F1/56
CPCC02F1/00C02F1/001C02F1/283C02F1/288C02F1/5236C02F1/5245C02F1/54C02F1/56C02F2101/20C02F2101/32
Inventor 李宏亮
Owner ANHUI HUANGHE WATER RESOURCE POLYTRON TECH INC
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