Decontamination System with Reusable Adsorbent Recovery
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Solution Overview
Problem
Current decontamination systems for treating contaminated fluids are costly due to the need for continuous coagulant and polymer additions, pH control, and sludge disposal, with conventional coagulants becoming irreversibly consumed and requiring frequent replacement.
Innovation Solution
A decontamination system utilizing adsorbents that adsorb contaminants and can be stripped and reused, eliminating the need for new coagulant and polymer supplies, featuring a filtration unit with a membrane filter and a recovery unit for desorption and adsorbent recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional coagulants and polymers are used for contaminant removal, then contaminants are effectively removed from fluid, but treatment costs increase due to continuous addition requirements and sludge disposal
Solution Approach 1:
The patent applies the discarding and recovering principle by using adsorbent particles that can be separated from the treated fluid and regenerated for repeated use. The adsorbent captures contaminants during treatment, then is recovered through filtration and regenerated via thermal or chemical desorption processes, eliminating the need for continuous coagulant addition and reducing waste disposal requirements.
Solution Approach 2:
The adsorbent particles serve themselves by automatically capturing contaminants through adsorption without requiring continuous chemical addition. The regeneration system restores the adsorbent's capacity, creating a self-sustaining cycle where the same adsorbent material continuously provides treatment service across multiple cycles.
2Reliability
If coagulants are continuously added to maintain treatment effectiveness, then contaminant removal is maintained, but operational complexity and cost increase
Solution Approach 1:
The adsorbent particles automatically and consistently capture contaminants through their adsorption capacity without requiring external chemical addition or pH adjustment systems. This self-service mechanism maintains reliable treatment effectiveness while eliminating complex chemical dosing infrastructure.
Solution Approach 2:
Instead of continuously adding fresh coagulants, the system recycles adsorbent particles through regeneration. This approach maintains consistent treatment reliability by ensuring active adsorbent is always available, while eliminating the complexity of continuous chemical addition and pH control systems.
3Loss of substance
If adsorbent recovery and reuse is implemented, then treatment costs are reduced, but system complexity increases due to additional separation and regeneration equipment
Solution Approach 1:
The system recovers adsorbent particles from treated fluid using filtration or sedimentation, then regenerates them through thermal or chemical desorption. This recovery process reduces adsorbent consumption and disposal needs, while the added separation and regeneration equipment manages the increased system complexity.
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
Significantly reduces treatment costs by allowing the recovery and reuse of adsorbents, improving process efficiency through semi-batch or continuous operations, and eliminating the need for frequent coagulant and polymer additions.
Implementation Method 1
A decontamination system utilizing adsorbents that adsorb contaminants and can be stripped and reused
Implementation Method 2
The filtration unit comprises a filter operable to separate the fluid from the adsorbent and contaminants adsorbed onto the adsorbent
Implementation Method 3
The recovery unit comprises a stripping unit operable to strip the contaminants from the adsorbents
Data Source
AI summary
Exemplary decontamination systems of the present disclosure may allow for removing contaminants from a fluid. In an embodiment, a decontamination system may include a filtration unit operable to receive an adsorbent and contaminated fluid. The filtration unit may include a filter operable to separate the fluid from the adsorbent and contaminants adsorbed onto the adsorbent. In an embodiment, the decontamination system may further include a recovery unit operable to separate the adsorbent and the contaminants adsorbed onto the adsorbent.