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Method for preparing near infrared sensing material from nickel- and aluminum-containing industrial waste liquor

A technology for sensing materials and industrial waste liquids, applied in the direction of nickel organic compounds, etc., can solve the problems of difficult crystallization and precipitation of nickel elements, difficult to realize resource utilization, etc., and achieve the effect of reducing equipment investment costs.

Inactive Publication Date: 2011-09-28
江苏锦绣铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a waste liquid treatment process, on the one hand, because the aluminum slag contains nickel and various impurity components, it is difficult to use traditional utilization ideas to make it into an aluminum-based water purifier that requires high purity, such as aluminum sulfate, polychlorinated Aluminum, alum, etc., that is, it is difficult to realize resource utilization; on the other hand, it is difficult to fully crystallize and precipitate low-concentration nickel elements, part of which is mixed into aluminum slag in the form of flocculation and inclusion, and part of it remains in the clear liquid in the form of dissolution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: A method for preparing a near-infrared sensing material from nickel-containing aluminum industrial waste liquid, comprising the following steps:

[0023] a. Take 20m 3 Aluminum surface treatment waste liquid, measure the concentration of aluminum and nickel elements in nickel-containing waste liquid produced by aluminum surface treatment, the mass concentration content is 8% aluminum element, the mass concentration content is 1% nickel element, and the waste liquid is passed through Put into the reaction vessel and stir; b, while stirring the waste liquid, add 2,4-pentanedione and butylamine in the waste liquid, the ratio of the amount of nickel element substance in the 2,4-pentanedione and the waste liquid is 0.1 : 1, the ratio of the amount of nickel element substance in butylamine and waste liquid is 0.1: 1;

[0024] c. The reaction time of the nickel-containing waste liquid with 2,4-pentanedione and butylamine is controlled at 0.5 hours. After the rea...

Embodiment 2

[0026] Embodiment 2: A method for preparing a near-infrared sensing material from nickel-containing aluminum industrial waste liquid, comprising the following steps:

[0027] a. Take 20m 3 Aluminum surface treatment waste liquid, measure the concentration of aluminum and nickel elements in nickel-containing waste liquid produced by aluminum surface treatment, the mass concentration content is 8% aluminum element, the mass concentration content is 1% nickel element, and the waste liquid is passed through into the reaction vessel and stirred;

[0028] B, while stirring the waste liquid, add 2,4-pentanedione and quinoline to the waste liquid, the ratio of 2,4-pentanedione and the amount of nickel element substance in the waste liquid is 10:1, quinoline and waste The ratio of the amount of nickel element in the liquid is 10:1;

[0029] c. The reaction time of the nickel-containing waste liquid with 2,4-pentanedione and quinoline is controlled within 24 hours. After the reaction,...

Embodiment 3

[0031] Embodiment 3: A method for preparing a near-infrared sensing material from nickel-containing aluminum industrial waste liquid, comprising the following steps:

[0032] a. Take 20m 3 Aluminum surface treatment waste liquid, measuring the concentration of aluminum and nickel elements in the nickel-containing waste liquid produced by aluminum surface treatment, the mass concentration content is 8% aluminum element, the mass concentration content is 1% nickel element,

[0033] Pass the waste liquid into the reaction vessel and stir;

[0034] b. While stirring the waste liquid, add 1,1,1-trifluoroacetylacetone, piperidine and ethylenediamine to the waste liquid. The amount of 1,1,1-trifluoroacetylacetone is the same as that of nickel element in the waste liquid The ratio of the amount of substance is 0.5:1; the ratio of piperidine to the amount of nickel element substance in the waste liquid is 0.5:1, and the ratio of the amount of ethylenediamine to the amount of nickel el...

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PUM

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Abstract

The invention relates to a method for preparing a near infrared sensing material from nickel- and aluminum-containing industrial waste liquor, which comprises the following steps of: a, sampling and measuring the concentration of aluminum and nickel elements in nickel-containing waste liquor generated through surface treatment of aluminum, introducing the waste liquor into a reaction container, and stirring; b, adding a diketone compound and nitrogen-containing organic alkali while stirring the waste liquor, wherein the molar ratio of the diketone compound to the nickel element in the waste liquor is (0.1-10):1, and the molar ratio of the nitrogen-containing organic alkali to the nickel element in the waste liquor is (0.1-10):1; c, reacting for 0.5 to 24 hours, regulating the pH value to be 5-9, and extracting with an organic solvent to obtain extracting solution; and d, distilling the extracting solution to recover the organic solvent, and drying residue in a drying oven at the temperature of between 50 and 200DEG C for 0.1 to 5 hours to obtain the near infrared sensing material. In the method, the original sewage treatment equipment in aluminum section factories is fully utilized, the addition of new equipment is avoided to the greatest degree, the equipment investment cost is reduced, and over 90 percent of nickel resource is recovered.

Description

technical field [0001] The invention relates to a method for recycling nickel-containing waste liquid produced by surface treatment of aluminum materials, in particular to a method for preparing near-infrared sensing materials by utilizing nickel-containing waste liquid produced by surface treatment of aluminum materials. Background technique [0002] For a long time, a large amount of aluminum-containing waste slag and aluminum-containing waste liquid have been produced in the production of refined aluminum and aluminum profile processing in general aluminum factories. The waste slag is produced by high-temperature refining aluminum and casting process, and contains some impurities such as aluminum scrap, aluminum nitride and aluminum carbide. Water will produce unpleasant ammonia and acetylene; aluminum-containing waste liquid is produced during the electrochemical finishing process of aluminum profiles, and the annual discharge will cause river pollution and affect the dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/04
Inventor 孟庆华戴润戴希燕戴祖军
Owner 江苏锦绣铝业有限公司