Mixed matrix membranes

MOF/COF-based membranes

Functionalized nanomaterials for selectivity enhancement

3D printing in membrane module design

Surface engineering and anti-fouling coatings

Layer-by-layer and interfacial polymerization innovations

Decentralized water treatment solutions

Greywater/blackwater reuse for urban settings

Membranes for zero-liquid discharge (ZLD) systems

Pharmaceuticals and endocrine disruptors

Micro- and nanoplastics

Heavy metals and persistent organic pollutants

Hybrid membrane systems (e.g., membrane bioreactors, membrane distillation, RO)

Energy-efficient membrane operations

Process integration for compact systems

CO₂/N₂ and CO₂/CH₄ separation

Hydrogen purification and storage

Membrane reactors for decarbonization

Membranes in redox flow batteries for grid-scale energy storage

Ion-selective membranes for lithium-ion and sodium-ion batteries

Membrane-based water electrolysis for green hydrogen production

Nutrient recovery from wastewater

Recovery of rare earths and critical materials

Membranes for energy harvesting (e.g., pressure retarded osmosis)

Dialysis, virus filtration, and sterile filtration

Membranes for lab-on-chip and biosensors

Protein and enzyme separations in pharmaceutical production

Clarification and concentration of juices

Dairy processing and protein recovery

Waste valorization from agri-industrial streams

Aquaporin-based membranes for high-efficiency desalination

Mussel-inspired coatings for fouling-resistant water filtration

Protein and peptide-functionalized membranes for heavy metal removal

From bench-scale prototypes to pilot/demo plants

Material reproducibility and process standardization

Cost competitiveness with conventional processes

Investment risks and return on membrane-based infrastructure

Controlling membrane uniformity at scale

Large-scale interfacial polymerization and coating consistency

Scale-dependent performance issues (e.g., pressure drop, flow distribution)

Compact module design for retrofitting existing systems

Operational stability across different industrial feedstocks

Scaling and fouling in large membrane installations