Membranes TRIZ Cases

Electromagnetic heating of hollow-fiber contactors regenerates sorbents without steam, lowering energy consumption and operational costs.

UV-modified PVDF membranes eliminate alcohol pre-wetting while reducing background fluorescence for low-concentration protein detection.

Heating fluoropolymer dispersions to 50°C or higher while maintaining low pH triggers hydrolysis of functional groups.

Fluorinated polyazole membranes enable high-temperature water purification through controlled phase inversion casting.

An integrated tangential flow filtration system combines activation, conjugation, and purification into a single unit operation.

Reducing draw stream flow rate lowers scalant concentration to prevent membrane scaling without complex descaling.

Layered turbulence derivatives in a nonpowered mixing basin generate high-speed and slow-speed flows to coagulate particles without electric motors.

Polyimide membranes with UV cross-linkable groups resolve selectivity-permeability trade-offs by forming defect-free skin layers.

A PEMSE system uses a fluorinated phosphonic acid polymer electrolyte to conduct protons at elevated temperatures.

Plasma torch decomposition of polydimethylsiloxane creates a silica-like membrane that improves gas selectivity without complex chemical vapor deposition.

Microscale ion permselective elements create extended depleted zones that overcome concentration polarization resistance and increase current density.

A water treatment system uses intermittent hot water sanitization to control microbial growth without continuous recirculation.

Composite membrane structure resolves brittleness and manufacturing cost trade-offs while maintaining mechanical strength and chemical resistance.

Elongated axial flow channels in a fluid to fluid pressurizer increase internal passage dimensions while maintaining a compact radial footprint.

A carbon membrane structure uses a porous support body with adjacent cells spaced at least 0.60 mm apart to ensure uniform precursor drying.

A moisture-permeable composite membrane combines polyisoprene with polar functional group polyurethane via crosslinking to form a stretchable structure.

A separation membrane complex uses a dense part covering a porous support to maintain selective permeation.

Spaced hollow fibers reduce membrane fouling and shear damage, maintaining biological health and enabling higher cell concentrations.

Template-directed carbon deposition creates uniform micropores in graphene oxide sheets, resolving non-uniform pore size challenges.

A rotary membrane filtration system uses centrifugal acceleration to separate particulate matter from liquids.

A polymeric membrane made from date palm lignocellulose incorporating methacrylate functionality removes pollutants from aqueous solutions.

A leukocyte-removing filter uses volume restriction boards to constrain flexible container expansion during blood filtration.

Raised features on reverse osmosis membranes enhance fluid flow and create turbulence, eliminating bio-fouling from low velocity areas.

Hydrocarbon reforming apparatus uses steam reforming to absorb Joule heat from partial oxidation, preventing membrane overheating.

A fructose conversion process uses partial reaction endpoints and selective membrane separation to isolate 5-(hydroxymethyl)furfural from the aqueous phase.

Triptycene-based ladder polymers overcome the permeability-selectivity trade-off in gas separation membranes.

Optimized polyolefin membranes prevent pore blockage during long-term use by maintaining structural integrity under pressure.

End-face draw ports in the pressure vessel create axial flow paths that reduce radial concentration gradients and prevent clogging.

Ozonized permeate circulates through the RO system lines to decompose organic contaminants without thermal cleaning or chemical residues.

Dynamic antiscalant dosing minimizes chemical consumption and production downtime by adapting cleaning cycles to measured membrane fouling levels.

Sequential dual-end backwash cycles remove internal particulate fouling from hollow fibers, extending filtration cycle duration by 10-20%.

Porous partition walls in a honeycomb pretreatment device adsorb impurities to protect separation membranes and reduce pressure loss.

Multi-stage filtration device concentrates exosomes via continuous circulation loops, resolving low recovery rates in mass production.

Replacing water-soluble additives with stable polymers maintains anti-fouling properties while simplifying manufacturing.

A porous silica aerogel composite membrane combines physical adsorption with chemical absorption to enhance carbon dioxide processing capacity.

A semipermeable membrane uses a photoactive layer to separate oil and water while decomposing pollutants.

Azide crosslinking anchors at polymer chain ends to boost alkaline stability without forming rigid networks that reduce ionic conductivity.

Nanoporous carbon membranes overcome azeotrope limits in ethanol dehydration by selectively adsorbing organic compounds without high energy consumption.

Selective pasteurization of the retentate fraction preserves flavor in the permeate while extending shelf life.

A dual membrane gas separation apparatus separates carbon dioxide and water vapor from high temperature mixtures.

Alternating cation exchange membranes remove hardness ions from aqueous streams, reducing scaling tendencies in downstream EDI apparatuses.

Continuous enzymatic perfusion with hollow-fiber ultrafiltration retains substrates while harvesting products to reduce waste and increase yields.

Dynamic pump control in a reverse osmosis system reduces energy waste and microbial contamination risks during fluctuating haemodialysis demand.

Laminating a hydrophobic PTFE porous film with a hydrophilic polyolefin sheet resolves the contradiction between moisture permeability and handling stiffness.

Electron beam ablation thins silicon nitride membranes to 0.5-5 nm, enabling stable nanopores that improve DNA sequencing resolution.

Trigger-responsive polymers enable aqueous phase separation to form porous films without organic solvents.

Additive manufactured hollow mandrels seal inert PTFE membranes without narrowing flow channels, resolving sealing reliability and assembly complexity.

Segmenting the cover member isolates the sampling port from ambient air entering through pressure control holes, ensuring accurate gas composition measurement.