Bio-amine Cluster for Selective CO2 Capture

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Current CO2 capture technologies face limitations in CO2 loading capacity, selectivity, energy requirements for solvent regeneration, and corrosion issues, leading to increased operational costs and equipment needs, as well as challenges with solvent degradation and stability.

Innovation Solution

A bio-amine cluster system comprising an amine cluster, cluster stabilizing agents, and carbonic anhydrase functionalized matrices for selective CO2 capture, combined with solar-assisted electro de-amination for efficient desorption, which enhances CO2 loading and reduces energy consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If aqueous amine solutions are used for CO2 capture, then CO2 absorption capacity is improved, but solvent regeneration energy requirement increases

Engineering Contradiction:

ImproveCO2 loading capacityVSAvoidsolvent regeneration energy

Core Design Contradiction:

Quantity of substanceVSUse of energy by moving object

Solution Approach 1:

The invention changes the physical state of the amine from aqueous solution to solid particulate form, fundamentally altering the regeneration mechanism from thermal stripping to mechanical separation, thereby reducing energy requirements while maintaining CO2 capture capacity

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The process utilizes phase transition by converting the amine-CO2 complex from dissolved state in aqueous solution to solid particulate form that can be separated by filtration, enabling low-energy regeneration through drying rather than high-temperature heating

Inventive Principle:

Principle #36Phase transitions

2Productivity

If higher concentration amine solutions are used to increase CO2 loading capacity, then CO2 removal rate is improved, but corrosion of equipment increases

Engineering Contradiction:

ImproveCO2 removal rateVSAvoidcorrosion of equipment

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The invention segments the amine into discrete particulate carriers that can be easily separated from the process stream, allowing use of higher amine concentrations without corrosion issues since the amine is not in continuous contact with equipment surfaces in aqueous form

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The solid particulate amine acts as an intermediary carrier that transports CO2 through the system without requiring high-concentration aqueous solutions in contact with equipment, thereby eliminating corrosion while maintaining high CO2 removal rates

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If higher circulation rates are used to achieve desired CO2 removal levels, then CO2 capture efficiency is improved, but capital and operating expenses increase

Engineering Contradiction:

ImproveCO2 capture efficiencyVSAvoidprocess equipment size

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The invention replaces the mechanical circulation system required for aqueous amine solutions with a solid particulate system that moves through the process via gravity and simple conveyance, eliminating the need for large pumps, heat exchangers, and complex circulation infrastructure

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 bio-amine cluster system achieves higher CO2 selectivity and loading capacity with stable enzyme activity, lower viscosity, and reduced corrosion, while solar-assisted electro de-amination facilitates efficient CO2 desorption and regeneration, thereby improving overall process efficiency and reducing operational expenses.

Implementation Method 1

A process for selective capture of CO2 from gaseous mixture comprising: (a) spraying a bio-amine cluster; (b) capturing CO2 through bio-amine cluster

Methodology Applied

Scientific EffectAdsorption: Adsorption

Implementation Method 2

A process for selective capture of CO2 from gaseous mixture comprising use of a bio-amine cluster composed of: (i) an amine cluster; (ii) a cluster stabilizing agent; (iii) a cluster micelle stabilizing agent; and (iv) a carbonic anhydrase (CA) functionalized matrix

Methodology Applied

Scientific EffectCatalysis: Catalysis

Implementation Method 3

solar-assisted electro de-amination for efficient desorption

Methodology Applied

Scientific EffectPhotovoltaic Effect: Photovoltaic Effect

Implementation Method 4

solar-assisted electro de-amination for efficient desorption

Methodology Applied

Scientific EffectElectrolysis: Electrolysis

Data Source

PatentUS11607646B2Process for CO<sub>2 </sub>capture from gaseous streams

Publication Date: 2023.03.21 INDIAN OIL CORP LTD

AI summary

A process for selective capture of CO2 from gaseous mixture comprising of: (a) spraying a bio-amine cluster; (b) capturing CO2 through bio-amine cluster; and (c) desorption of CO2 through solar assisted electro de-amination, wherein the bio-amine cluster is comprises of: an amine cluster comprising of a quaternary Isobutylamine (IB) with amine terminated Poly(L-lactide) as the chelating agent; a cluster stabilizing agent; a cluster micelle stabilizing agent; and a carbonic anhydrase (CA) functionalized matrix in 0.05-0.2 wt % of total wt % of bio-amine cluster and wherein the CA is obtained from a source selected from the group consisting of Bacillus thermoleovorans, Pseudomonas fragi, Bacillus stearothermophilus and Arthrobacter sp. and a process for production of bio-amine cluster.