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A kind of flocculant for treating industrial waste water of aluminum material factory and preparation method thereof

A technology for industrial wastewater and flocculants, which is applied in water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of poor flocculation and sedimentation effect of flocculants, low efficiency, time-consuming and laborious, etc. To achieve good adsorption and flocculation effect, high flocculation efficiency, and meet the needs of wastewater treatment

Active Publication Date: 2016-08-31
GUANGDONG YONGLIJIAN ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The flocculation and sedimentation effect of the flocculant used in the traditional treatment process is poor and the efficiency is low. Generally, it takes 30 hours for a flocculation and sedimentation, and the wastewater obtained after the first flocculation and sedimentation still has a high content of metal ions, which needs to be treated again. time consuming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The raw material formula of flocculant in the present embodiment is made up of each component of following parts by weight:

[0026] 10 parts of octadecyltrimethylammonium chloride;

[0027] 25 parts of polyacrylamide;

[0028] 0.3 parts of azoaminobenzene;

[0029] 3 parts of potassium aluminum sulfate dodecahydrate;

[0030] Humic acid 0.3 parts.

[0031] The preparation method of the flocculant of this embodiment comprises the following steps: firstly mix octadecyltrimethylammonium chloride and polyacrylamide, add deionized water 5 times the mass of the mixture, and use a rotary shaker to Shake at a speed of 190 rpm at 60°C for 200 minutes; take out the mixed liquid, heat it at 70°C, stir while heating, add azoaminobenzene after heating for 20 minutes, continue heating and stirring for 20 minutes Stop after 10 minutes, and cool down to room temperature naturally. The addition of azoaminobenzene can make it work synergistically with octadecyltrimethylammonium chlo...

Embodiment 2

[0034] The raw material formula of flocculant in the present embodiment is made up of each component of following parts by weight:

[0035] 15 parts of octadecyltrimethylammonium chloride;

[0036] 40 parts of polyacrylamide;

[0037] 0.5 parts of azoaminobenzene;

[0038] Potassium aluminum sulfate dodecahydrate 5 parts;

[0039] Humic acid 0.5 parts.

[0040] The preparation method of the flocculant of this example is the same as that of the example, and the method of use and the flocculation effect achieved are also the same as those of the example.

Embodiment 3

[0042] The raw material formula of flocculant in the present embodiment is made up of each component of following parts by weight:

[0043] 12 parts of octadecyltrimethylammonium chloride;

[0044] 35 parts of polyacrylamide;

[0045] 0.3 parts of azoaminobenzene;

[0046] Potassium aluminum sulfate dodecahydrate 4 parts;

[0047] Humic acid 0.4 parts.

[0048] The preparation method of the flocculant of this embodiment is the same as that of the embodiment, and its use method is also the same as that of the embodiment. The difference is that the flocculation effect achieved in this example is three times that of pure polyacrylamide, and the time used to treat the same amount of wastewater is half that of pure polyacrylamide, and the ambient temperature required for flocculation purification The temperature is 35~40°C, which requires lower ambient temperature and is easier to realize.

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Abstract

The invention discloses a flocculating agent for processing industrial wastewater of an aluminum material factory and a preparation method of the flocculating agent. The flocculating agent is prepared from the following raw material components in parts by weight: 10-15 parts of octadecyl trimethyl ammonium chloride, 20-40 parts of polyacrylamide, 0.3-0.5 part of aminoazobenzene, 3-5 parts of aluminum potassium sulfate dodecahydrate and 0.3-0.5 part of humic acid. The flocculating agent disclosed by the invention is good in adsorption flocculation effect in comparison with pure polyacrylamide, is relatively high in flocculation efficiency, and meets the increasing requirements of wastewater treatment.

Description

technical field [0001] The invention relates to the field of industrial wastewater treatment in aluminum material factories, in particular to a flocculant for treating industrial wastewater in aluminum material factories and a preparation method thereof. Background technique [0002] The production process of aluminum profiles mainly includes degreasing, alkali etching, pickling, oxidation, sealing and coloring of formed aluminum profiles, and the profiles processed by the above processes need to be cleaned with water, resulting in waste water from aluminum profile factories. The wastewater produced by the aluminum profile factory contains not only a large amount of aluminum ions, but also some metal ions such as zinc, nickel, and copper. The pH of the wastewater varies depending on the requirements of various manufacturers, but most of them are acidic. [0003] In view of the characteristics of aluminum profile wastewater mainly containing various metal ions and suspended s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52C02F1/54C02F1/56
CPCC02F1/5236C02F1/5263C02F1/54C02F1/56
Inventor 熊启权
Owner GUANGDONG YONGLIJIAN ALUMINUM
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