Porous Liquid Gas Absorption with Solvent-Excluding Nanopores
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Solution Overview
Problem
Current sorbent technologies for gas capture and separation are limited by selectivity, adsorption capacity, and high regeneration energy requirements, making them unsuitable for widespread use in industries like energy production.
Innovation Solution
A nanoporous host material suspended in a solvent forms a porous liquid composition where the pore window size is larger than the gas kinetic diameter and the solvent van der Waals diameter is greater than 1.8 times the pore window size, allowing selective gas absorption and efficient solvent exclusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional sorbent materials are used for gas capture, then gas absorption can be achieved, but selectivity and adsorption capacity are limited
Solution Approach 1:
The patent employs nanoporous host materials with precisely controlled pore window sizes to achieve both high adsorption capacity and selective gas absorption. The porous structure allows optimization of surface area for capacity while controlling pore dimensions for selectivity based on kinetic diameter of target gases
Solution Approach 2:
The invention creates local quality differentiation by suspending nanoporous host materials with specific pore window sizes in selective solvents. The pore window size is specifically designed to be larger than the kinetic diameter of the target gas but smaller than the van der Waals diameter of the solvent, creating localized selective absorption zones that simultaneously achieve high capacity and selectivity
2Productivity
If conventional sorbent materials are used for gas capture, then gas absorption can be achieved, but high temperatures are required for regeneration increasing energy costs
Solution Approach 1:
The patent changes the operational parameters by enabling gas absorption at lower temperatures through the combined effect of nanoporous host materials and selective solvents. The solvent selection and pore window size optimization allow for efficient gas capture without requiring high temperature regeneration, thereby reducing energy consumption while maintaining productivity
3Reliability
If nanoporous host material is used for gas absorption, then selectivity can be improved, but solvent may penetrate into pores reducing effectiveness
Solution Approach 1:
The invention creates local quality differentiation by suspending nanoporous host materials with specific pore window sizes in selective solvents. The pore window size is specifically designed to be larger than the kinetic diameter of the target gas but smaller than the van der Waals diameter of the solvent, creating localized selective absorption zones that simultaneously achieve high capacity and selectivity
Solution Approach 2:
The patent employs nanoporous host materials with precisely controlled pore window sizes to achieve both high adsorption capacity and selective gas absorption. The porous structure allows optimization of surface area for capacity while controlling pore dimensions for selectivity based on kinetic diameter of target gases
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 porous liquid composition achieves enhanced gas adsorption capacity and selectivity, reducing energy costs by 70-80% through isostatic compression regeneration.
Implementation Method 1
The efficient and low-cost separation and capture of select components of gas streams is a critical challenge within various industries, including energy production
Implementation Method 2
the nanoporous host material is configured to exclude solvent while providing a porosity for gaseous absorption
Data Source
AI summary
A composition and method for absorption of a selected gas. The compositions amount to porous liquids that include a nanoporous host material suspended in a solvent in the presence of a gas where the nanoporous host material is configured to exclude the absorption of solvent while providing a porosity for gaseous absorption.