Iron-Based Amorphous Electrode for Wastewater Degradation
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Solution Overview
Problem
Current electrochemical wastewater treatment technologies face challenges with high energy consumption, severe electrode loss, and poor stability, limiting their effectiveness and efficiency in industrial wastewater treatment.
Innovation Solution
An iron-based amorphous alloy ribbon is used as an electrode for electrochemical degradation of industrial wastewater, with an atomic percentage of iron between 40% and 84%, and other alloying elements such as Si, B, P, C, Mo, Nb, Cu, and Co, prepared by the melt spinning method, offering high stability and reduced corrosion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional electrochemical treatment technology is used, then degradation efficiency can be achieved, but energy consumption is high and electrode loss is severe
Solution Approach 1:
The patent changes the physical and chemical parameters of the electrode material by using amorphous alloy instead of crystalline alloy, with specific composition ranges (Fe: 40-84 at.%, Si: 5-30 at.%, B: 5-30 at.%, and optional elements). This parameter change in material structure provides high electrocatalytic activity while reducing energy consumption and electrode loss during wastewater treatment operation
Solution Approach 2:
The patent employs composite amorphous alloy materials combining multiple elements (Fe-Si-B system with optional additions of P, C, Mo, Nb, Cu, Ni, Co) to achieve synergistic effects. This composite structure enhances both degradation efficiency and energy efficiency, resolving the contradiction between high productivity and low energy loss
2Productivity
If traditional electrochemical treatment technology is used, then degradation can be achieved, but electrode stability is poor and corrosion is severe
Solution Approach 1:
The patent changes the structural parameters from crystalline to amorphous state, eliminating grain boundaries and dislocations that cause corrosion. The specific composition parameters (Fe: 40-84 at.%, Si: 5-30 at.%, B: 5-30 at.%) are optimized to achieve uniform atomic distribution, which significantly improves electrode stability and corrosion resistance while maintaining high degradation efficiency
Solution Approach 2:
The amorphous alloy structure provides homogeneous atomic distribution without crystalline defects, creating a uniform surface that resists localized corrosion. This homogeneity ensures consistent electrochemical performance and long-term stability during wastewater treatment operations
3Reliability
If iron-based amorphous alloy is used as electrode material, then stability and corrosion resistance are improved, but processing efficiency is relatively low
Solution Approach 1:
The patent optimizes the compositional parameters within the Fe-Si-B system, with Fe content at 40-84 at.%, Si at 5-30 at.%, and B at 5-30 at.%, plus optional elements. This precise parameter control enhances electrocatalytic activity and electron transfer efficiency, thereby improving processing efficiency while maintaining the inherent stability of amorphous structures
Solution Approach 2:
The patent introduces local compositional variations by adding small amounts of specific elements (P, C, Mo, Nb, Cu, Ni, Co) to create localized active sites on the electrode surface. These local quality enhancements improve reaction efficiency without compromising the overall stability of the amorphous matrix
4Reliability
If iron-based amorphous alloy is used as electrode material, then corrosion resistance is improved, but mass loss is still large
Solution Approach 1:
The patent changes the material parameters to amorphous structure with specific composition (Fe: 40-84 at.%, Si: 5-30 at.%, B: 5-30 at.%), which creates a uniform dense structure without grain boundaries. This parameter change significantly reduces galvanic corrosion and uniform corrosion rates, minimizing mass loss while maintaining corrosion resistance
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The iron-based amorphous alloy ribbon achieves high degradation efficiency with reduced energy consumption, maintains stability, and allows for recycling and reuse, providing a cost-effective and environmentally friendly solution for industrial wastewater treatment.
Implementation Method 1
Electrochemical treatment technology has the advantages of high degradation efficiency, low secondary pollution, simple operation and so on, which can be used as an environmentally friendly treatment process in industrial wastewater degradation. According to the principle of pollutant degradation, it can be subdivided into electrochemical redox, electrocoagulation, electrical floatation, photoelectrochemical oxidation, and internal electrolysis.
Implementation Method 2
According to the principle of pollutant degradation, it can be subdivided into electrochemical redox, electrocoagulation, electrical floatation, photoelectrochemical oxidation, and internal electrolysis.
Data Source
AI summary
An iron-based amorphous electrode material for industrial wastewater treatment, wherein the material is amorphous alloy used as an electrode for electrochemical degradation of industrial wastewater, and the atom percentage of iron element in the alloy being 40-84%, wherein a method for treating dye wastewater by using the iron-based amorphous electrode material and a use of the iron-based amorphous electrode material in the electrochemical degradation of industrial wastewater are also disclosed.