Carbon Capture Soil Conditioner with Porous Bacterial Coating
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Solution Overview
Problem
The construction industry faces challenges in reducing carbon dioxide emissions, particularly from cement production, and existing soil carbon storage solutions are limited by the availability of suitable soil.
Innovation Solution
A carbon capture soil conditioner is developed, comprising a porous material with bacteria that adsorb carbon dioxide, coated with natural soil and a silicate-based accelerating agent, allowing for carbon dioxide absorption and soil preparation even in areas lacking natural soil.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If soil is used for carbon storage, then carbon dioxide absorption is improved, but availability of suitable soil is limited
Solution Approach 1:
The invention uses porous materials as a carrier to adsorb bacteria with carbon dioxide fixation capability. The porous structure provides large surface area and numerous adsorption sites, enabling the bacteria to be effectively loaded and distributed. This allows carbon dioxide absorption functionality to be introduced into environments regardless of natural soil availability, resolving the contradiction between absorption capacity and soil availability.
Solution Approach 2:
The invention creates a composite material system comprising porous material, bacteria, and coating layers. This composite structure integrates the carbon dioxide fixation capability of bacteria with the structural support and protection of porous materials and coatings, enabling carbon storage functionality to be implemented in diverse environments without dependence on natural soil conditions.
2Quantity of substance
If bacteria are added to porous material, then carbon dioxide adsorption is improved, but bacterial survival in harsh environments deteriorates
Solution Approach 1:
The invention applies coating layers before exposing the bacteria to harsh environmental conditions. The first coating layer containing natural soil and the second coating layer with silicate-based accelerating agent form protective barriers that cushion the bacteria from environmental stressors such as desiccation, temperature extremes, and UV radiation, thereby maintaining bacterial survival rate while preserving carbon dioxide adsorption capacity.
Solution Approach 2:
The coating layers form flexible protective shells around the porous material containing bacteria. These thin film structures provide environmental protection while allowing gas exchange, enabling bacteria to survive in harsh conditions without compromising their metabolic activity and carbon dioxide fixation capability.
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 soil conditioner effectively adsorbs carbon dioxide from the atmosphere and creates an environment for bacterial growth, enabling continuous carbon dioxide absorption and soil improvement, thus contributing to carbon neutrality efforts.
Implementation Method 1
bacteria with a carbon dioxide adsorption mechanism are adsorbed
Implementation Method 2
bacteria that adsorb carbon dioxide without being sensitive to anaerobic, aerobic, and light/dark conditions
Implementation Method 3
a porous material to which bacteria with a carbon dioxide adsorption mechanism are adsorbed
Implementation Method 4
a first coating layer that contains natural soil including at least one of clay and red clay fine powder, and a coagulant
Data Source
AI summary
A carbon capture soil conditioner is proposed. The conditioner can adsorb carbon dioxide in the atmosphere and also enable soil to be prepared even where soil does not exist previously. The conditioner may include a porous material to which bacteria with a carbon dioxide adsorption mechanism are adsorbed. The conditioner may also include a first coating layer coated on a surface of the porous material and containing natural soil and a coagulant, the natural soil including at least one of clay or red clay fine powder. The conditioner may further include a second coating layer coated on a surface of the first coating layer, the second coating layer including a coating material containing a silicate-based accelerating agent. A manufacturing method of the carbon capture soil conditioner is also proposed.