CKD Composite Filter for Radioactive Isotope Stabilization
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Solution Overview
Problem
Current methods for stabilizing and managing radioactive waste are costly and pose hazards during storage, handling, and disposal, with a need for a more economical and effective solution to eliminate these hazards.
Innovation Solution
A method involving the preparation of a liquid solution with Cement Kiln Dust (CKD) powder, mixed with iron, sulfur, copper, calcium, and magnesium, and subsequent processing steps to create a solid material that effectively stabilizes radioactive isotopes by binding radioactive contaminants, reducing radioactivity and costs associated with waste disposal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional methods are used to stabilize and manage radioactive waste, then radioactive waste can be stored and disposed of, but the process is costly and poses hazards during storage, handling, and disposal
Solution Approach 1:
The patent extracts radioactive isotopes from radioactive water by passing the water through a filter containing solid material. This separation removes the harmful radioactive components from the liquid waste stream, concentrating them in the solid filter material for more stable disposal.
Solution Approach 2:
The patent uses a composite solid material comprising cement kiln dust and at least one of metallurgical slag or fly ash in the filter. This composite structure combines multiple waste materials to create a stable matrix that effectively binds and stabilizes radioactive isotopes, reducing their mobility and environmental hazard.
2Ease of manufacture
If conventional radioactive waste management methods are used, then waste can be stored and disposed of, but transportation and disposal costs are high
Solution Approach 1:
The patent repurposes waste materials (cement kiln dust, metallurgical slag, fly ash) that would otherwise be discarded into a useful application as radioactive waste stabilizing media. This transforms disposal costs into a resource utilization solution, reducing overall waste management expenses.
Solution Approach 2:
The patent employs inexpensive industrial byproducts as the primary stabilizing materials in the filter. These readily available, low-cost materials replace expensive specialized waste treatment materials, significantly reducing the cost of radioactive waste stabilization and disposal.
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 method efficiently stabilizes radioactive isotopes, reduces radioactivity, and lowers the costs of transportation and disposal by permanently binding radioactive contaminants within the solid material, providing a safer and more economical solution for managing radioactive waste.
Implementation Method 1
passing radioactive water through the solid material to remove radioactive isotopes from the water and stabilize the radioactive isotopes
Data Source
AI summary
A method for stabilizing radioactive isotopes includes preparing a liquid solution and mixing the liquid solution with Cement Kiln Dust (CKD) powder to form a solid material. The method may further include crushing the solid material into particles and passing radioactive water through the solid material to remove radioactive isotopes from the radioactive water and stabilize the radioactive isotopes.