Semi-Permeable Membranes TRIZ Cases

A monolayer membrane containing gelling polymer particles with acidic or basic functional groups enables selective carbon dioxide permeation.

Polysulfone hollow fibers with embedded aquaporin Z proteins boost flux and strength, lowering operating pressure for efficient water purification.

A two-stage membrane process separates carbon dioxide from flowback gas to recover pipeline-quality natural gas.

Granulated methanotrophs cultivate dominant bacterial populations using dissolved methane and oxygen mixtures.

A polyethylene composition with controlled molecular weight and branching enhances melt strength for extrusion coating.

A half-sandwich chromium complex with specific ligands produces polyethylene resins with tailored molecular structures.

Hard end blocks provide dimensional stability while soft interior blocks deliver selective anion transport for electrically driven water separation.

A silicone member incorporates an ionic conductive agent to suppress electrification.

A dynamic detection system measures gas purification membrane contact angles under varying filtration rates using integrated imaging and flow control.

Aromatic backbone polyelectrolytes resist peroxide attack and prevent sulfonate loss, enabling stable proton conductivity above 80°C.

Emergency activation means initiates blood pressure measurement and substance delivery to resolve operator availability constraints during hypotensive episodes.

Multi-step hot press processing eliminates low density defects in wet-laid nonwoven fabric to ensure uniform sheet density.

Recirculating the retentate stream concentrates circulating tumor cells for diagnostics without requiring additional blood draws.

A self-supporting bi-continuous separation matrix enables rapid chromatographic transport through interconnected convective pores.

Polydopamine coating replaces complex plasma discharge systems to prevent irreversible plasma leakage while maintaining gas exchange performance.

Fourier transform infrared spectrometry measures antioxidant content in lubricating oil to determine degradation degree.

Disposable bagged filter cartridge containing unfiltered fluid eliminates housing cleaning downtime in bioprocessing.

Thermally responsive ionic liquids separate at specific temperatures to regenerate draw solutes, reducing energy consumption in forward osmosis desalination.

Thermal oxidizer converts harmful VOCs into harmless substances, resolving the contradiction between production efficiency and environmental compliance.

A pressure-driven ceramic oxygen generator uses an integrated manifold and mixed conducting tubes to produce high-purity oxygen without electrical connections.

Monolithic fabrication merges fluidic channels with sensing regions to reduce electrical noise and improve molecular detection resolution.

Porous graphene oxide membranes with amide-linked water channels boost permeability and chlorine resistance, lowering energy consumption.

Hydroiodic acid reduces graphene oxide to eliminate nitrogen impurities and improve electrical conductivity.

Salients on a distribution plate penetrate the adsorbent to regulate channel resistance, preventing flow channeling and maintaining high adsorptivity.

Composite polyimine membranes with transition metal ions resolve the selectivity-permeability trade-off in gas separation by enabling adjustable CO2 binding.

An embossed filter structure improves particle removal efficiency and flow rate characteristics by preserving structural integrity under stress.

A blood treatment control unit dynamically adjusts pre and post-infusion flows using real-time sensor data to optimize solute clearance efficiency.

Filtrate-side surface plasmon resonance sensors detect substance concentrations in liquid streams to verify membrane functionality during operation.

Simplified peritoneal equilibration test classifies patients using dialysate samples to enable fast exchange cycles with large volumes.

Segmented micropatterned polymer layers increase gas exchange efficiency while minimizing blood clotting and prime volume requirements.

A nitrogen-containing heterocyclic additive acts as a free radical scavenger within the proton exchange membrane to protect polymer chains.

A sliding element uses a porous sintered carbon body impregnated with fluorinated oil to maintain lubrication and reduce wear under dry vacuum conditions.

A dual container system mixes concentrate with diluent and passes the mixture through a sterile filter membrane.

Fixed carbonic anhydrase enzymes in the polymer layer catalyze CO2 hydration, boosting permeance and selectivity while lowering energy consumption for capture.

A graphene oxide membrane generates hydronium ions from water to ionize gas mixtures.

High pressure treatment removes deposited substances from separation membranes to restore permeability without additional equipment.

An osmotic electricity generation system recovers diluted solute via solar evaporation, eliminating external liquid support and enabling autonomous operation.

A porous structural body integrates a light-resistant protective layer on partition ends to shield metal ions from transformation.

Air separation modules in an aircraft inert gas generator switch between series and parallel configurations to modulate nitrogen flow.

Aromatic polycarbonate resin incorporates a sulfonate-grafted core-shell styrene polymer to deliver high flame retardancy without phosphorus additives.

Multilayer porous membranes overcome restricted pore geometry in conventional templates by using selective dissolution to fabricate complex nanostructures.

Composite filter media with a charged nanoweb layer upstream of a microporous membrane.

A solvent-crazed polymeric membrane impregnated with long-decay photoluminescent porphyrin dye detects oxygen via luminescence quenching.

Multiple sequential syntheses regulate membrane thickness to prevent cracking while maintaining separation factor.

Replacing fossil diols with biosourced furan units improves hydrophilicity and selectivity without compromising thermal stability.

Dual-diameter pores in a foamed PEEK surface enable bone tissue penetration, resolving stress shielding caused by mechanical mismatch.

Segmenting extraction into rapid pre-selection and abort processing resolves the contradiction between high speed and high purity in microparticle isolation.

Hydrophobic polymeric sheets tensioned between supports prevent floc agglomeration, eliminating manual cleaning and reducing maintenance costs.