Membranes TRIZ Cases

Treating polysiloxane and polyimide membranes removes reactive groups, preventing fouling and extending lifespan during carbonylation.

In-situ chemical modification forms a unified membrane structure that prevents interfacial delamination and enhances current efficiency.

A permeate device uses a silicone and ePTFE composite membrane to remove entrained gas from liquid flows via vacuum pressure.

Automated pressure monitoring detects bubble point in hollow fiber membranes, resolving the trade-off between measurement precision and testing throughput.

Porous asymmetric silicon membranes maintain mechanical stability and columbic efficiency by accommodating 300% volume expansion of silicon anodes.

Segmenting the separation into two stages with distinct temperatures reduces cooling energy while achieving high-purity carbon dioxide recovery.

Grafting hydrophilic organosilanes onto ceramic membranes mitigates irreversible fouling from oil sands produced water while doubling permeate flux.

An electrodialysis-electrodeionization system reduces power consumption by dynamically adjusting voltage and flow rates based on conductivity feedback.

Segmenting the separation process into stages with specific membranes removes condensable hydrocarbons while preventing membrane degradation.

A multilayer polyolefin membrane uses specific polymer compositions to achieve low static friction and high pore density for battery separators.

Cation and anion exchangers create alkalinity without chemical addition, reducing membrane fouling while maintaining precise pH control.

A dialyzer test system measures blood flowrates and hematocrit levels at input and output ports to quantify red blood volume loss.

Engineered porous separators use capillary action to pass water through while repelling oil, resolving fouling issues in liquid-liquid separation.

Electric field separates charged waste molecules from cell culture medium, eliminating ultrafiltration steps and boosting bioreactor capacity tenfold.

Sub-micron powdered activated carbon adsorbs recalcitrant organic compounds from water, eliminating frequent media replacement and high disposal costs.

A capillary filter element uses a permeable membrane layer supported by a frame to optimize water flow and minimize air passage.

Specifying a narrow membrane performance range reduces scaling safety factors, cutting filtration system sizing costs and uncertainty.

A filtering membrane module minimizes relative vibration during aeration cleaning using a rib and stopper, preventing damage from frame separation.

Ion beam irradiation and chemical etching create asymmetric through holes in a polymer film to control acoustic transmission.

Functionalized membranes capture pathogens via chemical affinity and destroy them using photocatalytic oxidation to prevent biofouling.

Concurrent generation and filtration reduce processing time and system footprint by maintaining steady-state nanoparticle concentration.

Merging separate inlets into one passage seals the inner tank, preventing leakage and contamination during flushing operations.

Draft tube mixing resolves oxygen transfer versus energy consumption trade-offs in membrane aerated biofilm reactors.

Potting material bonds stacked hollow fiber mats to end caps, eliminating costly mold breakaway steps.

Functionalized polyamide composite membranes separate uncharged boric acid from seawater, achieving high boron rejection without additional treatment steps.

Replacing external electric bias with regenerative photochemical dissociation, these membranes reduce energy consumption in desalination and electrodialysis.

A selectively permeable membrane removes acrylamide from low aromatic coffee extracts before blending with high aromatic portions.

Vinylpyridine copolymers create membranes removing trace metal impurities to concentrations below 1 ppb in microelectronics fluids.

A spiral wound carbon membrane with a porous support and filler-filled carbon layers provides high mechanical strength and gas permeability.

Temperature-controlled phase separation yields high porosity and permeance, overcoming dense surface layers in scalable production.

A membrane module reassignment method adapts to changing carbon dioxide concentrations in natural gas processing streams.

Zwitterionic membrane coatings prevent cellular debris adsorption during tangential flow filtration, maintaining high separation yields.

A degassing device uses a hydrophilic membrane to block gas while allowing liquid flow through dedicated recirculation lines.

A dual pumping arrangement coordinates alternating pressure and vacuum strokes across a hollow fiber filter housing to drive fluid displacement.

An electrodeionization apparatus uses selective ion exchange membranes to purify acid streams.

An anion exchange membrane with negatively-charged oxygen functional groups selectively traps cations while allowing anions to pass through.

A filter tank guide houses conditioning devices to adjust process parameters, resolving the contradiction between reproducible results and device complexity.

Composite hollow fiber membrane with crystalline resin barrier layer enables effective heat exchange in artificial lung systems.

Gradient hydrophilic polymer distribution in polysulfone hollow fiber membranes prevents endotoxin infiltration while maintaining high water permeability.

Hemagglutinin-treated stacked membranes separate plasma without hemolysis, replacing laborious centrifugation methods.

Annealing porous polytetrafluoroethylene films below melting point prevents shrinkage during high temperature filtration of pure water and liquid chemicals.

A fluororesin polymer separation membrane featuring a three-dimensional network layer and spherical structure layer.

Optimizing the carbon dioxide mole fraction at the membrane outlet balances methane production loss against energy consumption in subsequent acid gas removal.

A galvanic battery system generates power from waste electrolytes produced by a reverse osmosis unit.

Cross-linking graphene oxide with meta-phenylenediamine overcomes hydrophobicity limits in reverse osmosis membranes to boost water flux.

Acid dissolution removes inorganic oxide cores from templated matrices to form controlled nanopores.

Chemical modification of perfluorinated sulfonic acid membranes creates stable double-layered structures through in-situ group substitution.

Thermally bonded silver-coated spunbonded nonwoven fabrics provide antimicrobial disinfection in fluid filtration systems.

A multilayer microporous polyolefin membrane uses a uniform polypropylene surface layer to enhance oxidation resistance and electrolyte injection performance.