Membranes TRIZ Cases

Woven filaments bind elongated filtration fibers to maintain predetermined radial spacing within a spiraled coil structure.

A low-melting bismuth alloy head plate grips porous tubes by expanding upon solidification to form a robust mechanical seal.

Integral manifold end caps eliminate O-ring failures and polyurethane swelling by extracting seals into the structure, enabling individual membrane replacement.

Replacing toxic solvents with DMSO improves porosity and vapor transport rates.

A porous membrane bag seals aqueous samples in organic solvents to enable direct analyte diffusion without intermediate steps.

Embedding bismuth ions via a flake graphite mediator strengthens binding forces, preventing ion detachment during water washing.

Atomic deposition deposits titanium dioxide layers on polypropylene substrates to resolve coating detachment issues during membrane distillation.

PEI cross-linking stabilizes the PAI hollow fiber membrane surface, resolving internal concentration polarization and mechanical weakness in forward osmosis.

A water treatment apparatus extracts purified water using raw water pressure to enable flexible extraction positioning.

Ramps and grooves in the inlet manifold redirect turbulent fluid to normalize multi-planar flow, reducing velocity deviation below 20%.

A ceramic hollow fiber membrane filter medium separates blood plasma from whole blood using controlled pore sizes to retain cellular components.

Soluble matrix resets capillary pressure, eliminating high initial spikes needed to overcome membrane retention in handheld blood filtration.

Segmented plasma return maintains donor comfort while sustaining high platelet yield.

A packing unit directs condensate from a first cap into a mid-case using a dedicated discharge portion.

A point-of-use filtration system uses a pressurized accumulator tank to automate backwashing via mechanical pressure switches without electrical power.

A membrane gas separation device uses feedback control to adjust operating pressure based on real-time purity measurements.

Integrated hydrophilic and hydrophobic regions on a separation layer prevent retentate blockage while promoting water flow, reducing energy consumption.

Nanoporous membranes with controlled pore sizes prevent liquid wetting during acid gas extraction, ensuring high transfer rates without structural degradation.

Upward air distribution pipe removes accumulated sludge from inclined membrane sections, extending filter life and boosting processing capacity.

A fluoropolymer membrane with low critical wetting surface tension retains porosity and withstands vacuum conditions.

A hollow fiber membrane with a double-curl design improves mechanical stability and reduces production waste in hemodialysis applications.

Exposing the membrane to a target permeate gas stabilizes selectivity and permeance against aging in hydrocarbon streams.

Recycles CO2-enriched permeate from membrane separation back to pressurized anaerobic digesters, maintaining pH stability and increasing methane yield.

A spinning membrane separator uses rotating surfaces to filter cellular material from blood plasma.

Combines distillation and membrane steps to reduce energy consumption and membrane area requirements.