Membranes TRIZ Cases

A central core element with exhaust conduits accommodates a stacked membrane assembly in a spiral flow reverse osmosis separator.

Block copolymers impart stable hydrophilicity to porous aromatic polymer membranes, preventing pore clogging and ensuring long-term reliability.

Raised hole edges and a support region with smaller second through holes disperse liquid flow, preventing cell deformation during filtration.

Electrospinning deposits polymer fibers onto substrates, resolving pore size uniformity issues in conventional nonwoven filter media.

A hollow fiber membrane module adjusts ultrapure water resistivity by dissolving adjustment gas through the membrane.

A capsular water container integrates hollow fibre membranes to filter bulk drinking water without external power.

Catalytic degradation of harmful agents in a protective membrane prevents breakthrough while maintaining breathability.

Pyrolyzed polyimide membranes separate nitrogen from methane using kinetic diameter differences.

Interconnected hydrophilic domains in zwitterionic membranes boost water flux while maintaining size-based selectivity against fouling.

A method monitors electrolyzer membrane tightness by analyzing liquid volume flow between separated volumes.

A lithographically etched ceramic microsieve concentrates microorganisms within a microcentrifuge tube.

Hydraulic ram apparatus with detachable brackets pushes spools through tubes, preventing damage from friction and alignment issues.

A microfiltration membrane filters saccharified liquid to form a peelable cake layer on its surface.

pH-controlled electrolysis converts lithium sulphate to hydroxide, eliminating multiple purification steps and reducing process complexity.

Electrodialysis converts bromide salts into hydrobromic acid.

Covalently bonding tetravalent boron acid groups to oxygen atoms in proton-exchange solid supports improves conductivity and stability under pH gradients.

A heat exchanger bottom member with inclined raised portions guides blood flow into transfer pipes for uniform distribution.

Gas permeation measurement identifies defective cells in monolithic separation membranes, enabling polymer sealing that restores the separation coefficient.

Heating glass paste at 500 to 800°C melts the material into a seal, preventing alkali elution and poor contact during hydrothermal synthesis.

Spiral filaments in the feed spacer create a water vortex that concentrates flow on the membrane surface.

Segmenting nanofiltration streams into discrete fractions maintains high flux and reduces membrane surface area requirements while increasing sugar purity.

Thermally induced phase separation creates loose cross-section asymmetric isoporous membranes using green solvents.

An air chamber floats the device upright while an access port enables direct sample loading through the gasket.

External frame assembly protects face end seals from mechanical damage while preventing potting material blockage of capillary channels.

A filtration membrane embeds polymeric dendritic nanoparticles to selectively separate ions and solutes from liquid streams.

Cross-linked polyethylenimine coating on electrospun nanofibers enhances adsorption capacity for water purification membranes.

Segmented capillary membranes remove bacteria and viruses in compact units, resolving size-reliability trade-offs via periodic backflushing.

Dual-length hollow fiber membranes in a single module integrate chemical reactions and enhance mass transfer, reducing external complexity.

Directly coated bridged organosilica layers on macroporous supports maintain separation performance in high temperature acid environments.

Self-supporting nanofiber laminas eliminate substrate delamination risks while maintaining high filtration efficiency through controlled deposition.

A hybrid polyimide-silsesquioxane membrane uses POSS units to form a homogeneous network structure.

A multi-layer microporous polyolefin membrane combines polyethylene surface layers with a composite inner layer to enhance battery separator performance.

Membrane filtration retains reactants in a reaction vessel, suppressing side reactions like oligomerization while maintaining high productivity.

Nano-filtering treatment medium recovers rinsing permeate while retaining film-forming components to reduce wastewater discharge.

Vinylidene fluoride hollow fiber membrane incorporates hydrophilic resin to reduce organic substance adsorption.

A nanofiltration process enriches neutral organic compounds in permeate via negative retention and parameter regulation.

A waterproof air-permeable filter uses a non-porous resin film with laser-created through pores and a hydrophobic treated layer.

Fluorescent feedback control maintains precise treatment concentrations, eliminating costly on-site blending and overfeeding errors.

Coated crossflow filter membranes protect biological materials during fractional separation by reducing shear stress on the porous substrate.

Incorporating poly(styrene sulfonic acid) into aromatic polyimide creates polybenzoxazole membranes with high gas separation selectivity.

Reciprocating fluid via alternating diaphragm pumps prevents membrane fouling and maintains consistent flux during continuous bioprocessing concentration.

An electrochemical cell electrolyzes water to generate oxygen-depleted air for fuel tank inerting.

Draining liquid creates a pressure differential that pulls gas through membranes for scouring, eliminating mechanical blowers and reducing equipment complexity.

Bi-functional fluorophilic agents graft microporous fillers to perfluorinated polymers, resolving adhesion and hydrolysis contradictions for CO2 separation.

Dual swash plate mechanism eliminates recirculation pumps to reduce system complexity while recovering energy from concentrate pressure.

Intertwining polyimide with an ionic polymer creates self-shrinking fibers that reduce pore size, maintaining high ion rejection rates at elevated temperatures.

Parallel capillary membranes in a single-layer mat distribute nutrients and remove exudate, eliminating complex alternating procedures required by foam systems.

Covalent lipocalin binding on polysulfone membranes removes hydrophobic protein-bound toxins that conventional dialysis fails to clear.

A hollow fiber membrane uses a triple-orifice spinneret to co-extrude casting and bore fluids for precise phase separation.