Biochar-Pervious Structure for Runoff Contaminant Removal
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Solution Overview
Problem
Existing pervious structures are ineffective in simultaneously addressing physical runoff water infiltration and bioremediation of contaminants, primarily focusing on groundwater/runoff flow minimization with limited capabilities for water contaminant removal.
Innovation Solution
A composition comprising a porous structure impregnated with biochar and microorganisms, such as Rhodococcus sp. and Pseudomonas sp., which captures contaminants through adsorption and degrades them biologically, enhancing water quality by physical infiltration, chemical adsorption, and biodegradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional pervious structures are used for runoff water infiltration, then physical infiltration capability is improved, but contaminant removal capability deteriorates
Solution Approach 1:
The patent combines pervious concrete with biochar and microorganisms to create a composite material system. The pervious concrete provides physical infiltration capability while the biochar and microorganisms add contaminant removal functions through adsorption and biodegradation, thus resolving the contradiction between infiltration and contaminant removal
Solution Approach 2:
The patent utilizes porous pervious concrete structure to enable physical infiltration of runoff water, while incorporating porous biochar materials that enhance adsorption capacity for contaminants. The porous structure serves dual functions of facilitating water flow and providing surface area for contaminant capture
2Object-affected harmful factors
If biochar and microorganisms are added to pervious structure, then contaminant removal capability is improved, but device complexity deteriorates
Solution Approach 1:
The patent merges multiple functions (infiltration, adsorption, biodegradation) into a single integrated pervious structure system. By combining biochar and microorganisms within the pervious concrete matrix, the system achieves contaminant removal without requiring separate treatment units, thus managing complexity while enhancing functionality
3Adaptability or versatility
If multiple contaminants are targeted for removal, then versatility of treatment is improved, but manufacturing complexity deteriorates
Solution Approach 1:
The patent creates a universal treatment system using biochar and microorganisms that can simultaneously target multiple contaminant types (heavy metals, organic compounds, nutrients) through different mechanisms (adsorption, biodegradation). This multi-functional approach achieves broad treatment versatility while maintaining a relatively simple manufacturing process based on conventional pervious concrete production
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 composition effectively reduces pollutants in runoff water by adsorbing and degrading contaminants, minimizing contamination of aquifers and waterways while reducing greenhouse gas emissions and erosion.
Implementation Method 1
physical infiltration
Implementation Method 2
chemical adsorption
Implementation Method 3
biodegradation
Data Source
AI summary
The present disclosure pertains to a composition that includes a porous structure associated with one or more biochars and one or more micro-organisms. The present disclosure also pertains to methods of capturing contaminants from an environment by associating the environment with a composition of the present disclosure. The present disclosure also pertains to methods of making the compositions of the present disclosure by associating one or more biochars and one or more micro-organisms with a porous structure.