Platinum Group Catalyst Beads for Hydrogen Peroxide Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for removing hydrogen peroxide from wastewater, such as ion exchange and chemical coagulation, generate hazardous waste, are inefficient and costly, and existing enzyme-based solutions like catalase are temperature-sensitive and prone to bio-growth, failing to meet regulatory hydrogen peroxide concentration limits.
Innovation Solution
A system utilizing hydrogen peroxide decomposition media with platinum group catalysts, such as beads, that spontaneously decompose hydrogen peroxide without enzymes, operating across a wide pH range and temperature, and integrated with electrochemical cells for further metal impurity removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional methods (ion exchange, chemical coagulation) are used to remove hydrogen peroxide, then hydrogen peroxide can be removed from wastewater, but hazardous waste is generated and the process is inefficient and costly
Solution Approach 1:
The patent converts the harmful hydrogen peroxide into beneficial oxygen and water through catalytic decomposition. The catalyst facilitates the reaction 2H2O2 → 2H2O + O2, transforming the hazardous oxidizer into harmless substances, thereby eliminating hazardous waste generation while maintaining removal effectiveness.
Solution Approach 2:
The patent replaces conventional mechanical/chemical treatment processes (ion exchange, chemical coagulation) with a catalytic decomposition system. This substitution eliminates the need for hazardous chemicals and complex separation processes, achieving simpler, more efficient hydrogen peroxide removal without generating harmful by-products.
2Reliability
If enzyme-based solutions (catalase) are used to decompose hydrogen peroxide, then hydrogen peroxide can be decomposed, but the solution is temperature-sensitive and prone to bio-growth
Solution Approach 1:
The patent replaces the biological enzyme system (catalase) with an inorganic catalytic system. This substitution eliminates temperature sensitivity and bio-growth issues inherent to enzymes, providing stable hydrogen peroxide decomposition across wide temperature ranges while maintaining high catalytic activity.
Solution Approach 2:
The patent changes the fundamental nature of the catalyst from organic (enzyme) to inorganic materials. This parameter change fundamentally alters the operational characteristics, enabling the system to function reliably across extended temperature ranges without the degradation and contamination issues that limit enzyme-based systems.
3Adaptability or versatility
If platinum group catalysts are used for hydrogen peroxide decomposition, then hydrogen peroxide can be decomposed efficiently across wide pH and temperature ranges, but the catalyst cost is high
Solution Approach 1:
The patent employs composite catalyst structures combining platinum group metals with support materials. This composite approach maximizes the catalytic activity of the expensive platinum group metals while using abundant, low-cost support materials to provide structural framework and surface area, thereby reducing overall catalyst cost while maintaining high performance and wide operating range.
Solution Approach 2:
The patent applies platinum group catalysts selectively at the active sites where hydrogen peroxide decomposition occurs, rather than using platinum throughout the entire system. This localized application of the expensive catalyst material, combined with cost-effective support structures, achieves optimal catalytic performance while minimizing overall material cost.
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 system effectively reduces hydrogen peroxide to safe levels without hazardous by-products, extending operational lifetime and reducing energy consumption, while enabling efficient copper recovery from wastewater.
Implementation Method 1
the hydrogen peroxide decomposition media comprises a platinum group catalyst comprising beads
Implementation Method 2
electrochemical cells, which can be in the form of cartridges with enclosed filter media, for removing heavy metals include one or more pairs of electrodes, an anode and a cathode, that remove or reduce the concentration of target species from an input stream
Data Source
AI summary
Systems and methods for purifying aqueous solutions include a hydrogen peroxide removal unit including a hydrogen peroxide decomposition media arranged to receive un-treated aqueous solution. The hydrogen peroxide decomposition media includes a platinum group catalyst that includes beads with a density of at least 1 gram/milliliter (g/ml).