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4TH PHASE FILTER

Pristine CNT Sheet

Unpurified Hydrophilic CNT Sheet

Purified Hydrophilic CNT Sheet

Partially Purified Hydrophilic CNT Sheet 

ABOUT 

4TH PHASE WATER

Being distinctively different from solid, liquid and gas phases of water, water associated around individual carbon nanotubes is uniquely identified as 4th Phase Water. This interaction dictates how carbon nanotubes can be densified to form durable filtration membranes. Densification ensures the following unique properties of DCN membranes for filtration: hydrophilicity, chemical and physical stability, fouling resistance and universal compatibility. Judiciously controlling the pore size and membrane thickness can achieve optimal flow and selectivity.  

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APPLICATIONS

WATER FILTRATION

  • High flux rate with uniform, controllable pore sizes

  • Fouling resistance

  • Universal compatibility

  • Leachable-free

  • Extractable-free

BIOPROCESSING

  • High flux rate with uniform, controllable pore sizes

  • Fouling resistance 

  • Universal compatibility

  • Leachable-free

  • Extractable-free

CARBON CAPTURE, 

GAS SEPARATION,

AIR DEHUMIDIFICATION 

  • High gas permeance with controllable uniform pore sizes

  • Compatible with solvents, extreme temperature, and corrosive chemicals

CHEMICAL SEPARATION & PURIFICATION

  • Controllable pore sizes with high permeance

  • Compatible with solvents, extreme temperature, and corrosive chemicals

  • Superior thermal transfer efficiency

  • Highly electrically conductive

VIDEO

4th Phase Technologies, Inc. offers solutions for overcoming challenges in biopharmaceutical processing.

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FOR SPECIAL REQUESTS & ORDERS

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