Application of copper-based amorphous alloy as catalytic functional material in wastewater treatment

An amorphous alloy and wastewater treatment technology, which is applied in the direction of oxidized water/sewage treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of large corrosion loss and short service life of Fe-based amorphous alloys , to achieve the effect of mature production process, low manufacturing cost and excellent long-term stability

Active Publication Date: 2017-06-27
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Application Information

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Problems solved by technology

[0004] Aiming at the current problems of large Fe-based amorphous corrosion loss and short service life, the present invention provides a method for degrading wastewater with a copper-based amorphous alloy with catalytic function. The copper-base

Method used

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  • Application of copper-based amorphous alloy as catalytic functional material in wastewater treatment
  • Application of copper-based amorphous alloy as catalytic functional material in wastewater treatment
  • Application of copper-based amorphous alloy as catalytic functional material in wastewater treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-18

[0026] Examples 1-18: Degradation of Acid Orange II by amorphous alloy strips of different systems.

[0027] The amorphous strips were prepared according to the alloy composition in Table 1, and all showed diffuse scattering characteristics of amorphous through XRD characterization. figure 1 Shown are the XRD patterns of Example 1 and Example 17, and the XRD characteristics of other alloy strips are similar. In addition, the DSC curves of some alloys are as figure 2 As shown, obvious crystallization features can be seen.

[0028] Table 1 Embodiment 1-18 corresponding alloy composition

[0029]

[0030] The degradation process uses an amorphous alloy strip with a surface area of ​​50 cm 2 , the acid orange II solution concentration is 0.1g / L, the solution volume is 30mL, and the solution temperature is controlled at 60°C. The strips were dropped into the solution and the dye solution was stirred at 200 rpm. After the reaction started, about 3 mL of the solution was tak...

Embodiment 19

[0036] Example 19: Effect of strip dosage on degradation efficiency

[0037] The difference from Example 12 is that the dosage of strips is reduced for experimentation (dye solution volume, concentration, temperature, etc. do not change), and 30cm 2 、20cm 2 、10cm 2 Cu 46 Zr 44.5 Al 7.5 Gd 2 (at.%) experiment, the result is as Figure 5 As shown, it shows that this series of copper-based amorphous alloy strips can still achieve high degradation efficiency with a small amount of dosage.

Embodiment 20

[0038] Example 20: The impact of strip reuse times on degradation efficiency

[0039] The band after degrading Acid Orange II in Example 12 is reclaimed and applied to the degradation experiment of Acid Orange II again (other experimental conditions do not change), and the service life of the band degraded dye wastewater is studied, and the results are as follows Figure 6 shown. It can be seen that Cu 46 Zr 44.5 Al 7.5 Gd 2 (at.%) The strips can still maintain the same degradation efficiency as the first use when they are reused for the 10th time, indicating that the copper-based amorphous alloy has good stability and long service life when degrading dye wastewater.

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Abstract

The invention discloses application of copper-based amorphous alloy as a catalytic functional material in wastewater treatment and belongs to the fields of amorphous alloy materials and wastewater treatment. Atomic percent of Cu element in amorphous alloy ingredients is 30-80%, other alloy elements are one or several of Zr, Hf, Al, Ti, Ni, Ag, Nb, P, Sn, Zn and RE, and RE refers to rare earth element. The copper-based amorphous alloy shows excellent catalytic activity in the process of degrading wastewater, has quite high efficiency in degrading wastewater, is almost free of alloy mass loss caused by oxidation reduction in the process of wastewater degrading, can maintain amorphous structure of the copper-based amorphous alloy, shows excellent long-time stability and has great application prospect.

Description

technical field [0001] The invention relates to the technical field of amorphous alloy materials and wastewater treatment, in particular to the application of a copper-based amorphous alloy as a catalytic functional material in wastewater treatment. The copper-based amorphous alloy has excellent catalytic performance and good corrosion resistance, and can be widely used in the treatment of dye wastewater. Background technique [0002] Water is the source of life and the most basic material for human survival. However, with the rapid development of industry, the discharge of wastewater is increasing day by day, which poses a serious threat to human health and life safety. Therefore, how to effectively treat industrial wastewater has become an urgent problem to be solved. Among the many treatment methods, the zero-valent iron powder reduction method has attracted much attention because of its low cost, convenient operation and wide application range. However, zero-valent ir...

Claims

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Application Information

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IPC IPC(8): C02F1/72C22C45/00C22C45/10C02F101/30
CPCC02F1/725C02F2101/308C22C45/001C22C45/10
Inventor 李正坤秦鑫冬朱正旺李宏张海峰
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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