Membranes TRIZ Cases

A water-on-water storage tank regulates flow using product line pressure to maintain optimal filtration conditions.

A dual membrane system uses oleophobic and hydrophilic layers to permeate water from emulsions.

A flat filter system uses a gap adjustment member to maintain uniform spacing between filtration plates.

Dynamic gas pressure adjusts to membrane resistance, cutting energy use by 21.8% while maintaining fouling removal.

Metal oxide coated polymer granules remove organic contaminants to reduce transmembrane pressure and sludge generation in filtration systems.

Zeolite membranes separate carbon dioxide at Reynolds numbers above 2300, resolving low linear velocity bottlenecks that reduce separation efficiency.

A porous hollow fiber membrane uses a columnar texture to achieve high pure-water permeation performance.

Conical sealing surfaces accommodate thermal expansion in membrane modules, preventing gasket slippage during installation.

A polyethersulfone hollow fiber membrane with controlled pore diameter and swelling rate maintains structural integrity for medical filtration.

A movable sealing element isolates the hydrophobic filter from liquid contact, preventing sterility compromise while maintaining pressure stability.

3D printed spacers reduce electrical and hydraulic resistance in ion-exchange devices by minimizing intermembrane spacing.

Adjusting coating solution surface tension prevents polymer penetration into thin-walled hollow fiber membranes, reducing blood plasma leakage.

A polymer composition using an organic mixed solution to promote microphase separation during melt spinning.

An integrated waterway assembly consolidates filtration chambers into a single main body to simplify reverse osmosis device construction.

A composite semipermeable membrane with a pleated separation layer enhances water permeation and salt removal under low pressure conditions.

Bonding fabric layers to thin silicone sheets resolves the contradiction between structural integrity and oxygen depletion rates in blood storage bags.

A flat membrane support plate uses a honeycomb structural portion to enhance rigidity while reducing material usage.

Alternating hydrophobic and hydrophilic packing features disrupt stable liquid films at the gas-liquid interface, increasing CO2 absorption rates.

Thermal-treating and stretching fluorine-based resin films reduces shrinkage while maintaining filtration efficiency.

Plasticized asymmetric membranes achieve 7 to 40 H2S methaneselectivity at 45 bar, resolving low selectivity limits in conventional acid gas treatment.

A composite membrane with opposing hydrophilic and hydrophobic surfaces prevents water droplet migration into air streams without pressure control.

Balancing streams adjust feed conditions in reverse osmosis units, recovering pressure energy to lower operating costs.

Blending two PTFE resins creates a thick single-layer membrane that improves filtration efficiency and durability while avoiding complex lamination steps.

A closed-loop pressure retarded osmosis system uses superparamagnetic nanoparticles as a draw solution to drive water through hollow fiber membranes.

Hybrid osmotic desalination reduces energy consumption while treating high-salinity feed streams.

Nonsolvent gas exposure creates a structural damping zone in the first polymer layer, addressing low orthogonal impact resistance in ultrafiltration membranes.

Replacing aqueous brines with organic solvents reduces ion transport resistance and prevents scaling, achieving super-saturated salt solutions.

Embedding a porous spacer within the potting agent of a hollow fiber membrane module ensures uniform adhesive distribution, preventing leakage under pressure.

A polyimide membrane incorporating hydroxyl and acetoxy functional groups enables high selectivity in gas separation processes.

Short-chain fluoropolymers applied to porous filtration media provide oil repellency without generating persistent PFOA pollutants.

Relocating fluid pipes to external spaces frees internal volume, enlarging effective filter surface area while maintaining structural stiffness.

Perforated graphene membranes resolve permeability and selectivity trade-offs by removing toxic species while retaining albumin.

An alternating flow pump reverses pressure cycles in a hollow fiber cartridge to sweep debris away, preventing membrane blockage during continuous perfusion.

Outer permeate collecting tubes eliminate central air pockets and uneven pressure to improve backwashing efficiency.

A biosensor with an embedded dye complex detects viable microorganisms in aqueous fluids through optical signal intensity changes.

A liquid diversion apparatus uses a nanoporous hydrophobic membrane to divert water from pipes when internal pressure rises.

A composite porous hollow fiber membrane uses a longitudinal columnar texture to prevent fiber breakage during cross-flow filtration.

A nanofiltration membrane with a cationic coating filters water to reduce sulfate ion concentration in a single pass.

Cross-linked polyvinyl alcohol coated on sulfonated polyether ether ketone film adhered to microporous polyolefin support.

Asymmetric alignment features secure the membrane within the segmented housing, preventing rotational movement and reducing scrap rates during assembly.

Ionomeric cross-linkers resolve the contradiction between mechanical stability and ionic capacity in hydrophilic membranes.

Replacing porous spacers with printed flow paths reduces pressure drop and fouling while maintaining membrane integrity under high pressure.

A microporous polyolefin membrane achieves enhanced compression resistance through controlled uniaxial re-stretching at precise temperatures.

A multi-stage separation system reduces divalent ion ratios using nanofiltration and selective ion exchange resins.

Segmenting the purification process into C3+ and CO2 removal stages prevents membrane condensation, eliminating costly pretreatment systems.

A composite semipermeable membrane uses a hydrophilic polymer coating layer to prevent foulant adhesion on the separation functional surface.

Scraping excess curable composition from poriferous supports before curing eliminates defects and curling while maintaining membrane symmetry.

A hybrid membrane system combines nanofiltration, reverse osmosis, and forward osmosis to produce pure water from seawater.

Continuous ultrafiltration removes silicon precipitates from pickling solution, preventing recirculation circuit clogging and reducing installation footprint.