Emergency Soil Remediation System with Particle Segmentation
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Solution Overview
Problem
Conventional leaching remediation technologies are ineffective and costly when dealing with contaminated soils with a high fine-grain soil content exceeding 25%, as they struggle to efficiently remove contaminants and require excessive use of agents and wastewater treatment.
Innovation Solution
An emergency disposal method and system that integrates traditional leaching technology with various high-efficiency remediation processes, including microbial and chemical oxidation, curing and stabilizing, and wastewater treatment, to effectively treat soils of different types and contamination levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional leaching technology is used to remediate contaminated soil with fine-grain content exceeding 25%, then the large-grain soil can be washed to standard, but the amount of agent added and wastewater treated increases significantly, resulting in increased costs and reduced effectiveness
Solution Approach 1:
The patent applies segmentation by separating soil particles into different grain sizes (large-grain, medium-grain, fine-grain) and treating each fraction with appropriate methods. The fine-grain soil enriched with contaminants is separated and treated via deep remediation, while large-grain soil undergoes conventional leaching, thus avoiding unnecessary treatment of all soil with the same intensive method
Solution Approach 2:
The patent implements local quality by applying different remediation intensities to different soil fractions based on their contamination levels. Fine-grain soil receives deep remediation with higher agent concentration, while large-grain soil receives standard leaching, optimizing the balance between remediation effectiveness and resource consumption
2Object-affected harmful factors
If conventional leaching technology is used on soil with high fine-grain content, then contaminants are removed through multiple washing cycles, but the treatment process becomes less cost-effective and more resource-intensive
Solution Approach 1:
The patent applies preliminary action by separating fine-grain soil enriched with contaminants from large-grain soil before the leaching process. This pre-separation allows the subsequent leaching process to focus only on the less contaminated large-grain fraction, reducing the number of washing cycles needed and improving overall treatment efficiency
Solution Approach 2:
The patent changes the treatment parameters by applying different remediation approaches to different soil fractions. The fine-grain soil undergoes deep remediation with specific agent concentrations and contact times, while large-grain soil receives standard leaching, optimizing the balance between contaminant removal effectiveness and resource consumption
3Adaptability or versatility
If traditional remediation technologies are used singly, then each technology can address specific contamination types, but none can cope comprehensively with soils of different types, contaminant types and contamination levels
Solution Approach 1:
The patent implements universality by designing an integrated system that combines multiple remediation technologies (leaching, deep remediation, microbial treatment, chemical oxidation) into a single platform capable of handling diverse contamination scenarios. The system can adapt to different soil types, contaminant types, and contamination levels through selective activation of appropriate treatment modules
Solution Approach 2:
The patent applies composite materials by combining multiple remediation agents and treatment methods in an integrated system. The system uses composite approaches such as combining chemical oxidation with microbial treatment, or combining leaching with deep remediation, to achieve comprehensive remediation capabilities that address multiple contamination types simultaneously
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 achieves efficient remediation of contaminants in soils of varying types and contamination levels, reduces treatment costs, and allows for flexible unit configuration and quick assembly, making it suitable for comprehensive emergency disposal.
Implementation Method 1
a microbial technology
Implementation Method 2
a chemical oxidation technology
Implementation Method 3
The leaching technology is a kind of remediation technology that can deal with organic contaminated soil and heavy metal contaminated soil
Implementation Method 4
curing and stabilizing
Data Source
AI summary
The present invention relates to the technical field of contaminated soil remediation, and in particular to an emergency disposal method and system suitable for contaminated soil, and the system includes a pretreatment unit, a feed weighing unit, a giant-grain soil remediation unit, a fine-grain soil removal unit, a fine-grain soil deep remediation unit, a coarse-grain soil enhanced remediation unit, a waste liquid treatment unit and a dispensing unit. According to the emergency disposal method and system, which takes the traditional leaching remediation technology as a main line and integrates a variety of technical processes with high remediation efficiency, good remediation effects on the soil of different soil types, different contamination types and different contamination levels can be achieved.