Porous Polymeric Filter with Sorption Particles

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Solution Overview

Problem

Existing filters for removing chemical compounds, ions, or components from gas and fluid streams are often not durable enough to withstand harsh environments and require long contact times, reducing their effectiveness.

Innovation Solution

A porous polymeric matrix made from polyvinyl chloride or chlorinated polyvinyl chloride, combined with a bicontinuous structure and sorption particles, which allows for efficient removal of undesired materials while maintaining structural integrity and flow rate.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional ion exchange resin is used, then chemical compounds and ions can be removed from water, but long contact time is required which reduces effectiveness

Engineering Contradiction:
Improveremoval effectivenessVSAvoidcontact time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent employs a porous polymer matrix with controlled pore sizes and high surface area to provide extensive contact between the resin and contaminants. The porous structure enables rapid diffusion and adsorption of chemical compounds and ions, significantly reducing the required contact time while maintaining high removal effectiveness.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The invention uses a composite structure combining polymer matrix with integrated ion exchange sites and sorption particles. This composite design allows simultaneous filtration, adsorption, and ion exchange processes to occur in a single medium, accelerating contaminant removal without requiring extended contact times.

Inventive Principle:
Principle #40Composite materials

2Reliability

If molecular sieves are used, then filtering can be achieved, but they cannot withstand harsh environments including acidic or basic environments

Engineering Contradiction:
Improvefiltering capabilityVSAvoidenvironmental durability
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent modifies the chemical composition and structural parameters of the filter material by using chemically resistant polymers and cross-linked structures. These parameter changes enable the filter to withstand harsh acidic and basic environments while maintaining its filtering and sorption capabilities.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention creates a composite material system combining environmentally stable polymers with functional sorption particles. This composite structure provides both the mechanical and chemical durability needed to withstand harsh environments and the functional properties required for effective filtering.

Inventive Principle:
Principle #40Composite materials

3Ease of manufacture

If paper or cellulose-based filters are used, then ease of manufacture is achieved, but they are easily destroyed and do not provide robust structure for long-term use

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidstructural robustness
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The patent changes the material parameters from natural cellulose to synthetic polymers with enhanced mechanical strength and chemical stability. These parameter changes produce a more robust structure capable of long-term operation while maintaining manufacturability through standard polymer processing techniques.

Inventive Principle:
Principle #35Parameter changes

4Productivity

If sorption particles are incorporated into filter structure, then removal efficiency is improved, but the structure must still expose sorption particles to interact with gases or liquids

Engineering Contradiction:
Improveremoval efficiencyVSAvoidstructural complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent utilizes a porous matrix structure that naturally exposes sorption particles to flowing gases and liquids through its interconnected pore network. This porous architecture enables efficient mass transfer and interaction between sorption sites and contaminants without requiring complex external exposure mechanisms.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The invention merges the support structure and sorption functionality into a single integrated material system. The sorption particles are incorporated within and throughout the porous matrix, combining structural support and contaminant removal functions in one component, thereby reducing overall device complexity.

Inventive Principle:
Principle #5Merging (Combining)

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 proposed solution provides a durable and efficient filter structure that can effectively remove undesired compounds from gas and fluid streams, even in harsh environments, with improved flow rates and reduced contact times.

Implementation Method 1

The article is for removing chemical compounds, chemical ions or chemical components from gas and fluid streams. The porous polymer matrix is a durable material comprising polyvinyl chloride or chlorinated polyvinyl chloride capable of having a flow rate of gas or fluids through its structure

Methodology Applied
Scientific EffectSorption: Sorption

Implementation Method 2

Target species are removed by being adsorbed or complexed onto the resin

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 3

The porous polymer matrix is a durable material comprising polyvinyl chloride or chlorinated polyvinyl chloride capable of having a flow rate of gas or fluids through its structure resulting from a bicontinuous structure

Methodology Applied
Scientific EffectPorosity: Porosity

Data Source

PatentUS12269008B2Microporous polymeric filtering article with sorption particles
Publication Date: 2025.04.08 GRUNZINGER STEPHEN JAMES

AI summary

The disclosure describes an article for removing undesired chemical ions or compounds from gas and fluid streams when the stream comes into contact with the article. The article is a porous polymeric matrix having a sorption particle within the porous polymeric matrix structure, the sorption particle is capable of removing the undesired chemical ion or compound.