Amino-Treated Cellulosic Surfaces for Carbon Dioxide Binding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods are inadequate for effectively incorporating carbon dioxide into materials to reduce atmospheric emissions and improve environmental profiles, particularly in the context of using natural fibers for carbon capture and storage.
Innovation Solution
A method involving sequential treatment of cellulosic materials with an amino compound followed by carbon dioxide, where the material is pre-treated with superheated water to enhance interaction, allowing for reversible or irreversible carbon dioxide binding, thereby creating a composite material that can store carbon dioxide on its surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional methods are used to incorporate carbon dioxide into materials, then the process is simpler, but the amount of carbon dioxide stored is insufficient and environmental benefits are limited
Solution Approach 1:
The material surface is pre-treated with an amino compound before carbon dioxide exposure. This preliminary action modifies the surface chemistry to create reactive sites that can bind carbon dioxide, thereby increasing the storage capacity beyond what conventional direct exposure methods achieve.
Solution Approach 2:
An amino compound acts as an intermediary substance between the material surface and carbon dioxide. The amino compound facilitates the binding of carbon dioxide to the surface through chemical interaction, enabling enhanced storage without requiring complex equipment or conditions.
2Object-affected harmful factors
If natural fibres are used as base material, then the environmental profile is improved, but the surface interaction with amino compounds and carbon dioxide may be insufficient
Solution Approach 1:
The surface properties of natural fibres are modified by changing chemical parameters through amino compound treatment. This creates a more reactive surface that reliably interacts with carbon dioxide, maintaining the environmental benefits of natural fibres while ensuring effective carbon dioxide storage.
3Quantity of substance
If excess amino compound is applied to the surface, then more carbon dioxide can be bound, but the amount of material and processing complexity increases
Solution Approach 1:
An excess of amino compound is applied to the material surface to ensure complete coverage and maximum availability of binding sites for carbon dioxide. This excessive action guarantees high binding capacity, and the unreacted excess can be managed through subsequent processing or acceptance as part of the material composition.
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
This method enables the storage of excess carbon dioxide on the surface of natural fiber materials, potentially exceeding stoichiometric amounts, resulting in materials with improved environmental profiles and diverse applications, including building materials and thermal insulation.
Implementation Method 1
contacting the surface of the material with a composition comprising at least 40 wt% of an amino compound selected from ammonia or an amine wherein an excess of amine compound is applied; and contacting the surface of the material with a composition comprising carbon dioxide
Data Source
AI summary
The present invention relates to materials having improved and useful properties and to methods relating to the manufacture of said materials. In particular the present invention relates to a method of modifying the surface of a material, preferably a fibrous material, to enable carbon dioxide to be carried by the surface. The carbon dioxide may be bound to the surface in a reversible or irreversible manner. The method of treating the surface of a material comprises (a) contacting the surface of the material with a composition comprising an amino compound; and (b) contacting the surface of the material with a composition comprising carbon dioxide or a source thereof.