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New developments in membrane-based separations.

K B Jirage1, C R Martin

  • 1Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.

Trends in Biotechnology
|May 14, 1999
PubMed
Summary
This summary is machine-generated.

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Recent membrane separation technologies offer advanced chiral separations, nanofiltration, and ion/gas selectivity. Innovations include enzyme-facilitated transport, pH-controlled graft-copolymeric membranes, and gold nanotubule membranes with electrochemical control.

Area of Science:

  • Membrane Science and Separation Technology
  • Materials Science
  • Chemical Engineering

Background:

  • Membrane-based separations are crucial for various industrial processes.
  • Developing advanced membranes with tailored selectivity and control is an ongoing challenge.

Purpose of the Study:

  • To highlight recent advancements in membrane-based separation technologies.
  • To showcase novel membrane designs for specific separation challenges.

Main Methods:

  • Facilitated-transport membranes utilizing enzymes and chiral surfactants for chiral separations.
  • Graft-copolymeric membranes engineered for pH-controlled ion selectivity.
  • Membranes fabricated from gold nanotubules demonstrating electrochemically controlled permselectivity.

Related Experiment Videos

Main Results:

  • Successful implementation of novel chiral separation techniques.
  • Creation of membranes with tunable ion selectivity based on pH.
  • Development of membranes with electrochemically tunable permselectivity.

Conclusions:

  • Significant progress has been made in developing advanced membrane separation capabilities.
  • Novel membrane materials and designs offer enhanced control over separation processes.
  • These advancements hold promise for improved efficiency in chiral separations, nanofiltration, and gas separations.