Membranes TRIZ Cases

Multi-stage filtration purifies windshield washer fluid into high-purity methanol suitable for direct use in fuel cell systems.

Segmented filtration using a homogeneous polyamide depth filter prevents membrane blockage and particle release while maintaining high flow capacity.

A polyamide hollow fiber membrane achieves high water permeability through controlled methylene to amide group ratios.

An integrated sealing well in the manifold secures the cassette, preventing leakage from layer misalignment during user assembly.

A porous membrane laminate uses PTFE with controlled surface roughness to achieve high fiber density for microparticle capture.

Segmenting the membrane into multiple leaves reduces pressure drops and increases permeate flow capacity in reverse osmosis cartridges.

A polymer solution combines high-performance polymers with N-tert-butyl-2-pyrrolidone and a water-soluble polymer to form membranes.

Discrete support bars hold a thin-film oxygen separation membrane to prevent sorbent abrasion and dust formation while improving maintenance behavior.

Graphene oxide particles adsorb pollutants before passing through a hollow fiber membrane to block the adsorbent and release clean water.

Amino-functional additives create covalent bonds between cellulose acetate and polyimide layers, preventing delamination under dialysis pressure.

A composite membrane uses polyethylene imine coating and poly(hexamethylene biguanide) grafting to enhance surface properties.

Tangential flow ultrafiltration replaces time-consuming dialysis to produce high-concentration silk fibroin with controlled molecular weight.

A liquid composition mixes silicon alkoxide hydrolyzate with fumed silica sol to form a porous film.

A hybrid inorganic-organic polymer membrane incorporates uniformly distributed metal cations to enhance proton conductivity.

Direct coating of separation layer on silicon carbide support eliminates intermediate steps, boosting flux by 30% while maintaining mechanical strength.

Plasma vapor deposition of precursor monomers forms non-crosslinked membranes with high ionic conductivity, avoiding S-O bond degradation.

Depositing precursor mixtures into specific regions creates mesoporous membranes with complex functional architectures.

Flexible seals decouple block expansion while distributor elements ensure uniform flow, enabling accurate kinetic measurements without complex fixed structures.

Calcium depletion via ion exchange enables microfiltration to concentrate phospholipids while reducing protein retention.

Sequential epoxy-silane and polyamine treatments modify filled microporous membrane surfaces to prevent oil fouling and maintain high flux rates.

Forward osmosis membranes separate dissolved solids from wash water, reducing fresh water consumption and operating costs in desalting operations.

A central variable frequency drive controls multiple reverse osmosis trains with gradual motor speed ramping.

Radiation detection system measures transmission through the barrier to identify blockages, enabling proactive maintenance and reducing downtime.

A hollow fiber membrane module uses a bypass tube to consolidate supply and discharge ports on one end.

Chemically tunable multiblock copolymer membranes replace energy-intensive thermal separation with selective size exclusion and affinity binding.

Self-assembled isoporous fluorinated block copolymer membranes provide chemical stability in harsh solvents while eliminating fouling characteristics.

Nanoparticle-reinforced desalination membranes increase water flux rates while rejecting salts to enable subsurface irrigation.

A drinking water purifying system uses a UV radiation source and recirculation module to disinfect liquid.

Dynamic pressure adjustment in batch reverse osmosis counters increasing osmotic pressure, reducing energy consumption while maintaining permeate quality.

Heavy solvent addition enables mechanical salt removal in falling film evaporators, preventing ion exchange resin fouling and reducing operation costs.

A hydrophobic membrane assembly with a lattice structure separates hydrogen gas from reaction solutions.

A membrane stack combines nanofiltration and reverse osmosis elements to separate complex mixtures in a single apparatus.

A bimodal membrane structure uses size exclusion and selective adsorption to separate gas mixtures.

Hydrodynamic cavitation processes reverse osmosis concentrate to recover valuable minerals and extend membrane lifespan, reducing environmental discharge.

Wireless power delivery charges the membrane surface via electrostatic repulsion, preventing fouling without chemical shutdowns.

A self-cleaning water filter uses a hand pump to backwash accumulated contaminants without disassembly.

Water-soluble cationic polymers adsorb contaminants from backwash water before ultrafiltration, reducing rapid membrane fouling and increasing permeate flux.

A four-compartment electrodialysis structure separates acid components from amine absorbents using bipolar and ion exchange membranes.

Oxygen-terminated crown pores in graphene achieve high selectivity and permeance for carbon dioxide capture from flue gas.

A filter insert design featuring an integrated aerator and closed outer surface directs filtered water through a dedicated mouthpiece.

A passive phase separator uses pleated stainless steel filter cloth to trap gas bubbles via surface tension in microgravity.

Replacing granular media with immersed membranes creates a membrane gravity filter that maintains flux stability and reduces chemical cleaning needs.

Segmenting a cellulose ester separation layer from a porous support layer resolves the contradiction between membrane strength and ion removal capability.

A membrane element joins a filtration membrane to a three-dimensional flowpath member using low-melting point yarn.

Segmented membrane system controls gas species independently, reducing maintenance needs while preventing harmful carbon dioxide accumulation.

Polyetheramine additives create dense membrane surfaces with precise pore control, removing viruses while maintaining liquid flux.

Polar graphene oxide filters remove bacteria from fuels without restricting flow, preventing microbial growth and engine damage.

A porous polymer membrane manufacturing method uses salt particles as templates to create high porosity structures.