CO2 Mineralization in Alkaline Water for Stable Carbonate Storage

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Solution Overview

Problem

Current methods for sequestering carbon dioxide (CO2) from industrial sources are inefficient, costly, and environmentally hazardous, with limited capacity and duration, and often result in significant CO2 emissions and pollution.

Innovation Solution

The method involves precipitating a storage stable carbon dioxide sequestering product from alkaline-earth-metal-containing water, which can be used as a building material or disposed of, utilizing chemical reactions to convert CO2 into stable carbonate compounds that can be stored for extended periods without significant degradation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If CO2 is stored in geological formations or injected into deep-ocean, then CO2 sequestration capacity is achieved, but environmental hazards and limited duration occur

Engineering Contradiction:
ImproveCO2 sequestration capacityVSAvoidenvironmental hazards
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent converts CO2, a harmful greenhouse gas, into beneficial construction materials such as limestone, marble, and cement through mineralization processes. The CO2 is transformed from a pollutant into a valuable resource for building materials, eliminating environmental hazards while achieving sequestration.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the physical and chemical parameters of CO2 by converting it from gaseous form to solid mineral forms through controlled mineralization reactions. This parameter change enables long-term stable storage and eliminates the environmental hazards associated with geological injection methods.

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If CO2 is stored in geological formations, then storage capacity is achieved, but storage duration is limited

Engineering Contradiction:
ImproveCO2 storage capacityVSAvoidstorage duration
Core Design Contradiction:
Quantity of substanceVSDuration of action of stationary object

Solution Approach 1:

By converting CO2 into stable mineral forms that are integral to construction materials, the patent achieves permanent storage. The mineralized CO2 becomes part of the building material structure, ensuring long-term stability and eliminating duration limitations.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Quantity of substance

If conventional CO2 separation methods are used, then CO2 removal is achieved, but cost and inefficiency increase

Engineering Contradiction:
ImproveCO2 removal efficiencyVSAvoidseparation cost
Core Design Contradiction:
Quantity of substanceVSEase of manufacture

Solution Approach 1:

The patent eliminates separation costs by directly mineralizing CO2 into valuable construction materials. Instead of separating CO2 for disposal, the process converts it into marketable products, turning a cost center into a revenue generator.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the approach from physical separation to chemical transformation, converting CO2 directly into solid minerals through mineralization reactions. This parameter change eliminates the need for energy-intensive separation processes and reduces overall costs.

Inventive Principle:
Principle #35Parameter changes

4Quantity of substance

If CO2 is converted into stable carbonate forms, then atmospheric CO2 concentration is reduced, but additional processing steps are required

Engineering Contradiction:
Improveatmospheric CO2 concentrationVSAvoidprocessing steps
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent merges CO2 mineralization with construction material production into a single integrated process. The mineralization reaction and material fabrication are combined, eliminating additional processing steps while achieving CO2 concentration reduction.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent creates a multi-functional process that simultaneously achieves CO2 sequestration, construction material production, and waste reduction. This universal approach eliminates the need for separate processing steps for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 approach effectively reduces atmospheric CO2 concentrations by converting CO2 into stable carbonate forms that can be stored for long durations, achieving a negative carbon footprint and minimizing environmental impact.

Implementation Method 1

utilizing chemical reactions to convert CO2 into stable carbonate compounds

Methodology Applied
Scientific EffectChemical reactions: Chemical Bonding

Implementation Method 2

precipitating a storage stable carbon dioxide sequestering product from an alkaline-earth-metal-containing water

Methodology Applied
Scientific EffectPrecipitation: Precipitation

Data Source

PatentUS7887694B2Methods of sequestering CO<sub>2</sub>
Publication Date: 2011.02.15 ARELAC INC
  • US7887694B2 patent drawing
  • US7887694B2 patent drawing
  • US7887694B2 patent drawing

AI summary

Methods of sequestering carbon dioxide (CO2) are provided. Aspects of the methods include precipitating a storage stable carbon dioxide sequestering product from an alkaline-earth-metal-containing water and then disposing of the product, e.g., by placing the product in a disposal location or using the product as a component of a manufactured composition. Also provided are systems for practicing methods of the invention.