Membranes TRIZ Cases

Polymerized oxyethylene membrane delivers high permeability and selectivity for polar gases while maintaining mechanical strength.

Composite semipermeable membrane with optimized projection geometry resolves the trade-off between water permeability and salt rejection under high pressure.

Inverted sealing ring geometry with venting paths balances startup pressure differentials to prevent component bending during maintenance.

Modified silica membrane filter uses specific pore ranges to separate aromatics and alcohols, overcoming conventional selectivity limits.

Low frequency electrical impedance spectroscopy detects incipient biofouling and particulate fouling before mechanical pressure changes indicate degradation.

In situ polymerization using self-assembled block copolymers creates templated antimicrobial filtration membranes with controlled nanometer pore sizes.

Electrodialysis transfers chloride ions between fractions to enrich concentration without thermal evaporation.

A porous edge structure on the filter membrane creates a mechanical clamping effect with anchoring elements.

Surface-treated zeolite particles in a polyamide active layer increase water permeate flux through physical pore pathways.

A porous housing wall section provides a liquid-conducting connection to hollow fiber membranes inside the cartridge.

Grafted polysulfone membranes retain charged particles via electrostatic interactions while maintaining mechanical integrity under pressure differentials.

A gas separation membrane uses a porous support and a polyamine layer to achieve high permeation rates for olefins.

A reversible airlift mixing system induces vertical liquid flow through membrane modules using buoyancy-driven circulation.

Wet-spun carbon nanotube hollow fiber membranes bypass expensive metal templates to achieve high porosity, water flux, and chemical resistance.

A filter medium uses a low basis weight nanofiber web fused to thick support layers for high flow rates.

Segmenting the module into independent units prevents pollutant backflow through connecting pipes while maintaining high water treatment capacity.

A composite semipermeable membrane uses a fluorinated aliphatic polymer coating to enhance fouling resistance and water permeability.

Applying oxidizing agents in ascending strength removes surface and pore pollutants from filter membranes, reducing water and chemical consumption.

Low-viscosity light-curable adhesive fills the internal bore of braid-reinforced membranes to eliminate air pockets and enable higher packing density.

Metal cations complex with polyimide regions to maintain free volume and prevent densification, stabilizing gas permeance over time.

A method lowers solution pH and adds an adsorbing agent before membrane filtration to separate biomass from aroma compounds.

Amine-functionalized CO2 separation membrane enhances gas transport through hybrid nanostructures, resolving permeability and selectivity trade-offs.

A cap removal device uses a stabilizing honed tube to secure end caps during extraction from pressure vessels.

Nanofiltration membranes separate DIOPAT from aluminum salts, reducing manual filtration time and production costs.

A pivoting engaging portion on a lifting frame automatically catches and releases water treatment components using gravity.

High-pressure reverse osmosis membranes reduce boron concentration in treated water without compromising the overall water recovery rate.

Pressurized Zeolite separator extracts water from heated ethanol mixtures, eliminating energy-intensive fractional distillation cycles.

Segmented locking tabs secure filter cartridges while feedback sensors monitor membrane conductivity to prevent fluid spillage during replacement.

Membrane distillation separates liquid fuel into high and low octane fractions, reducing energy consumption compared to conventional distillation.

Segmented membrane separators with distinct salt passage rates reduce hydraulic pressure requirements while maintaining high solute enhancement factors.

A three-stage membrane system separates methane from nitrogen using permeation and Joule-Thomson cooling.

Alkaline pH conversion enables selective recovery of terephthalic acid salts and diols for polymer reuse.

Direct osmosis membranes dilute concentrated cooling tower blowdown, reducing fouling risks and power consumption while maintaining heat transfer efficiency.

Continuous surface asperities prevent membrane fretting during air scrubbing, maintaining high water permeability in fouling-prone environments.

Metal-organic framework particles create hydrophilic water channels within a polyamide nanofiltration membrane structure.

A filtration system with a cleaning branch and dosing feeders circulates alkaline, acid, and chlorine agents to maintain membrane performance.

Segmented resin bodies in the channel material reduce pressure loss and increase water production by optimizing fluid flow paths.

A modular biological liquid treatment device uses a hinged door to create lateral clearances for connector access.

Integrated insulating element within air separation module housing retains heat, eliminating external blankets that impede maintenance and increase costs.

Native whey protein fraction improves intestinal maturation and reduces permeability in infant formulas.

Spatial pore variation in a porous hollow fiber membrane separates viruses while maintaining high protein transmission efficiency.

Asymmetric polyimide/polyethersulfone blend hollow fiber membrane creates a molecular-level composite structure.

Selective CO2 and SO2 membranes separate Claus unit emissions, reducing fuel consumption and maintaining thermal balance.

A molecular membrane acid copolymer retards acid rock reactions through adsorption on carbonate surfaces.

Polymer stabilizers form strong adhesion at the molecular sieve interface, eliminating voids and defects that compromise gas separation performance.

A split flow electro-deionization apparatus divides feed water into parallel channels to boost product output rates.

Co-extruding heated polymer and porogen solutions forms integral multilayer sheets with varying pore sizes, resolving UHMW-PE processability limits.

Segmenting the central system into single-station units with electromagnetic disinfection prevents biofilm formation while reducing installation complexity.

Ultracentrifugation replaces density gradients to resolve the trade-off between isolation purity and production efficiency.