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A composite flocculant for treating wastewater from an aluminum material factory and its preparation method

A composite flocculant technology, applied in metallurgical wastewater treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problems of short flocculation and sedimentation time, general flocculation purification effect, long flocculation and sedimentation time, etc., and achieve good adsorption and flocculation effect. , to meet the requirements of wastewater treatment, high efficiency

Active Publication Date: 2016-08-17
贵州华泰中信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional treatment process generally uses polyacrylamide as a flocculant, polyacrylamide (PAM) is a water-soluble polymer, insoluble in most organic solvents, has good flocculation, and can reduce the frictional resistance between liquids, but The flocculation and sedimentation time is long, and the flocculation purification effect is general
With the expansion of the scale of aluminum profile factories and the increasingly stringent emission standards, it is difficult for polyacrylamide as a flocculant to meet the needs of current aluminum profile factories. Therefore, it is urgent to provide a composite flocculation with short flocculation settling time and excellent flocculation purification effect. agent

Method used

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  • A composite flocculant for treating wastewater from an aluminum material factory and its preparation method
  • A composite flocculant for treating wastewater from an aluminum material factory and its preparation method
  • A composite flocculant for treating wastewater from an aluminum material factory and its preparation method

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Embodiment 1

[0026] The raw material formula of the composite flocculant for treating waste water from an aluminum material factory in this embodiment is composed of the following components in parts by weight:

[0027] 20 parts of pectin;

[0028] 40 parts of polyacrylamide;

[0029] 0.2 parts of anisaldehyde;

[0030] Elderflower extract 10 parts;

[0031] Humic acid 0.3 parts;

[0032] Wherein, the preparation process of the elderflower extract is as follows: Put the elderflower into the concentrated sulfuric acid with a concentration of 1.8mol / L and soak it for 30 minutes, wash it with deionized water and then pulverize it, then pour it into the crushed product with a mass of Elderflower 2 times absolute alcohol, and after soaking for 80 minutes in an environment with a pressure 15Kpa higher than the external atmospheric pressure, filter to obtain the elderflower extract.

[0033] The preparation method of the composite flocculant of this embodiment comprises the following steps: f...

Embodiment 2

[0035] The raw material formula of the composite flocculant for treating waste water from an aluminum material factory in this embodiment is composed of the following components in parts by weight:

[0036] 40 parts of pectin;

[0037] 20 parts of polyacrylamide;

[0038] 1 part of anisaldehyde;

[0039] Elderflower extract 5 parts;

[0040] Humic acid 0.5 parts;

[0041] Wherein, the preparation process of the elderflower extract is as follows: Put the elderflower into the concentrated sulfuric acid with a concentration of 1.8mol / L and soak it for 30 minutes, wash it with deionized water and then pulverize it, then pour it into the crushed product with a mass of Elderflower 5 times the absolute alcohol, and after soaking for 100 minutes in an environment with a pressure 20Kpa higher than the external atmospheric pressure, filter to obtain the elderflower extract.

[0042] The preparation method of the composite flocculant of this embodiment comprises the following steps: ...

Embodiment 3

[0044] The raw material formula of the composite flocculant for treating waste water from an aluminum material factory in this embodiment is composed of the following components in parts by weight:

[0045] 32 parts of pectin;

[0046] 25 parts of polyacrylamide;

[0047] 0.5 parts of anisaldehyde;

[0048] Elderflower extract 8 parts;

[0049] Humic acid 0.4 parts.

[0050] Wherein, the preparation method of the elderflower extract and the preparation method of the composite flocculant are the same as in Example 1.

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Abstract

The invention discloses a compound-type flocculant for treating wastewater from an aluminum material plant and a preparation method thereof. The compound-type flocculant is characterized by comprising the following components in parts by weight: 20-40 parts of pectin, 20-40 parts of polyacrylamide, 0.2-1 part of anisaldehyde, 5-10 parts of an elderflower extract and 0.3-0.5 part of humic acid. The compound-type flocculant disclosed by the invention has the advantages of good adsorption and flocculation effects and high efficiency, under the condition that a wastewater treatment system is not expanded, larger amounts of waste water can be purified and treated and the treatment requirement of the wastewater from the aluminum material plant.

Description

technical field [0001] The invention relates to the field of aluminum profile sewage treatment, in particular to a composite flocculant for treating waste water 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 solids, the traditional treatm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/54C02F103/16
CPCC02F1/54C02F1/56C02F2103/16
Inventor 求才军
Owner 贵州华泰中信科技有限公司
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