Magnesium Anode DC Device for Water Redox Reduction
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Solution Overview
Problem
Existing devices and methods are not effective in quickly, easily, and efficiently reducing the redox potential of drinking water supplied from municipal networks for household applications.
Innovation Solution
A device comprising a chromium-nickel steel tank with high-purity magnesium cartridges and a DC power supply unit, which applies an electric potential difference to reduce the redox potential of cold drinking water, achieving a range of -180 mV to -800 mV.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional water treatment methods are used, then water is suitable for consumption, but the redox potential remains positive and harmful
Solution Approach 1:
The patent replaces conventional mechanical/chemical water treatment methods with an electrochemical system. A DC power supply applies voltage between a sacrificial anode (magnesium or zinc) and a cathode (stainless steel or graphite) to generate negative redox potential through electrolysis, achieving -180 mV to -800 mV without complex mechanical equipment
Solution Approach 2:
The invention changes the electrochemical parameters of water by applying DC voltage to shift the redox potential from positive (+180 mV) to negative (-180 mV to -800 mV). This parameter transformation is achieved through controlled electrolysis with specific voltage application and electrode material selection, fundamentally altering water's oxidative properties
2Productivity
If existing redox reduction methods are applied, then some redox potential reduction is achieved, but the process is not quick, easy, or efficient for household use
Solution Approach 1:
The system employs a sacrificial anode (magnesium or zinc) that automatically undergoes oxidation to produce electrons, eliminating the need for external current control or complex power management. The anode self-dissolves to maintain negative redox potential, providing automatic, maintenance-free operation suitable for household environments
Solution Approach 2:
The device operates in periodic cycles where the DC power supply is activated for short durations (e.g., 1-5 minutes) to recharge the sacrificial anode's electrochemical potential, then remains inactive. This periodic operation maintains continuously negative redox potential water while minimizing energy consumption and simplifying user interaction
3Object-affected harmful factors
If strong electrochemical treatment is applied to achieve negative redox potential, then redox potential is reduced effectively, but metal content in water may increase
Solution Approach 1:
The patent uses sacrificial anodes made of magnesium or zinc that are intentionally designed to be consumable. These anodes slowly dissolve through oxidation during operation, providing a continuous source of electrons to maintain negative redox potential. The anodes are replaced periodically (e.g., every 6-12 months) rather than maintained, simplifying the system while ensuring consistent performance without metal contamination from non-sacrificial electrodes
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 device consistently provides water with negative redox potential, improving its quality for consumption, while maintaining low levels of other metals and adjusting the pH to a stable alkali range.
Implementation Method 1
a triggering unit designed as a DC power supply unit integrated with a control unit, where the plus pole of the power supply unit is connected to magnesium bars and the minus pole is connected to the tank
Implementation Method 2
the tank houses at least two cartridges with bars made of high purity magnesium... the difference of electric potentials between magnesium bars and the tank
Data Source
AI summary
A device for reduction of redox potential value in cold potable water, according to the invention comprises a flow tank (1) with an inlet port (2) and an outlet port (3). The tank (1) is made 5 of chromium-nickel alloy steel, and comprises at least two cartridges (5) with bars (6) made of high-purity magnesium with the content of pure magnesium at least 99.95%, where the bars (6) extend into the inner space of the tank (1) through additional openings (7) and insulated from the tank (1). The 10 device further comprises a triggering unit (9) made up of a DC source (10) integrated with a control unit (11), where the plus pole of the triggering unit (9) is connected to the magnesium bars (6) and its minus pole is connected to the tank (1).