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Aluminum ferric sulfate water purifying agent and preparation process thereof

A technology of aluminum iron sulfate and water purifying agent, which is applied in energy wastewater treatment, flocculation/sedimentation water/sewage treatment, etc. It can solve the problems of difficult to determine the mixing situation and flocculation effect, so as to facilitate the control of drainage and improve the applicable scenarios and objects , excellent hydrophilic effect

Active Publication Date: 2022-07-05
江西建衡环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing inorganic flocculants need to be fully mixed and stirred with the water body when used, but it is often difficult to determine the mixing situation and flocculation effect in turbid sewage

Method used

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  • Aluminum ferric sulfate water purifying agent and preparation process thereof

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Embodiment 1

[0034] A kind of aluminum ferric sulfate water purifier, the water purifier comprises the following components by weight: 3 parts of aluminum sulfate, 4 parts of ferrous sulfate, 4 parts of sodium silicate, 0.4 parts of phospholipids, 0.8 parts of phycoerythrin and 0.1 part of modified coupling agent.

[0035] A preparation method of aluminum ferric sulfate water purifier, comprising the following steps:

[0036] S1. 1wt% sodium silicate is adjusted to pH 2 with 30wt% sulfuric acid solution, and activated for 8h to obtain polymeric silicic acid;

[0037] S2. Add 0.2 mol / L solution of aluminum sulfate and ferrous sulfate to the polysilicic acid obtained in step S1 in turn, and continue stirring for 30 min, then add NaOH to adjust the pH value to 5, and let stand for 12 h after stirring to obtain polysilicic acid Iron and aluminum;

[0038] S3. Send the phospholipid and fluorescent protein into a high-pressure homogenizer for high-pressure homogenization, the high-pressure hom...

Embodiment 2

[0041] A kind of aluminum ferric sulfate water purifier, the water purifier comprises the following components by weight: 5 parts of aluminum sulfate, 2 parts of ferrous sulfate, 6 parts of sodium silicate, 0.2 parts of phospholipids, and 1 part of phycoerythrin and 0.05 part of modified coupling agent.

[0042] A preparation method of aluminum ferric sulfate water purifier, comprising the following steps:

[0043] S1. 5wt% sodium silicate is adjusted to pH 5 with 10wt% sulfuric acid solution, and activated for 1h to obtain polymeric silicic acid;

[0044] S2. Add 1 mol / L solution of aluminum sulfate and ferrous sulfate to the polysilicic acid obtained in step S1 in turn, and continue stirring for 5 minutes, then add NaOH to adjust the pH value to 7.5, and let stand for 3 hours after stirring to obtain polyferrous silicate aluminum;

[0045] S3. Send the phospholipid and fluorescent protein into a high-pressure homogenizer for high-pressure homogenization, the high-pressure ...

Embodiment 3

[0048] An aluminum ferric sulfate water purifier, comprising the following components by weight: 4 parts of aluminum sulfate, 4 parts of ferrous sulfate, 5 parts of sodium silicate, 0.3 parts of phospholipids, and 1 part of green fluorescent protein and 0.1 part of modified coupling agent.

[0049] A preparation method of aluminum ferric sulfate water purifier, comprising the following steps:

[0050] S1. 5wt% sodium silicate is adjusted to pH 5 with 20wt% sulfuric acid solution, and activated for 4h to obtain polymeric silicic acid;

[0051] S2. Add 0.5mol / L solution of aluminum sulfate and ferrous sulfate to the polysilicic acid obtained in step S1 in turn, and continue stirring for 20 minutes, then add NaOH to adjust the pH value to 7, and let stand for 12 hours after stirring to obtain polysilicic acid Iron and aluminum;

[0052]S3. Send the phospholipid and fluorescent protein into a high-pressure homogenizer for high-pressure homogenization, the high-pressure homogeniz...

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Abstract

The invention belongs to the technical field of sewage treatment, and particularly relates to an aluminum ferric sulfate water purifying agent and a preparation process thereof. The preparation process comprises the following steps: adjusting the pH value of sodium silicate with a sulfuric acid solution, and activating to obtain polysilicic acid; sequentially adding an aluminum sulfate solution and a ferrous sulfate solution into polysilicic acid, continuously stirring, and adding NaOH to adjust the pH value to obtain polysilicate ferrous aluminum; carrying out high-pressure homogenization on phospholipid and fluorescent protein to obtain a fluorescent complex; mixing and stirring the modified coupling agent, the polysilicate ferrous aluminum and the fluorescent complex to obtain an aluminum ferric sulfate water purifying agent product; the phospholipid and the fluorescent protein form a complex through hydrophobic interaction and hydrogen bonds, the complex is combined with the polysilicate ferrous aluminum through the modified coupling agent, the water purifying agent can form colloid in a water body, and due to the fluorescence effect of the fluorescent protein, the mixing condition of the water purifying agent can be indicated, so that the water purifying effect is improved. The water body purification process is reflected in the flocculating settling process, so that water drainage is conveniently controlled or a water purifying agent is supplemented in time.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an aluminum ferric sulfate water purifying agent and a preparation process thereof. Background technique [0002] Among many wastewater treatment methods, flocculation sedimentation method is an economical and simple water treatment method widely used at home and abroad, and has been widely used in water supply, wastewater treatment, sludge dewatering, etc. Flocculants play an important role in the solid-liquid separation of domestic sewage and industrial wastewater treatment processes. With flocculants with superior performance, by controlling appropriate dosage and mixing methods, and subsequent reasonable precipitation and filtration processes, it is possible to obtain better performance. ideal processing effect. Therefore, the development of new and efficient flocculants is the focus of the majority of water treatment workers at home and abroad. In recent decades, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52
CPCC02F1/5236C02F1/5209Y02W10/37
Inventor 何青峰
Owner 江西建衡环保科技有限公司
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