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Hydrogen Recovery from Biorefinery Off-Gases

Using membranes for hydrogen separation from biorefinery off-gases has the following advantages over other separation technologies*:

  • low energy consumption
  • possibility to carry out separation continuously
  • mild process conditions
  • easy scale-up
  • absence of additives
  • can be combined with other separation technologies.

Air Products has extensive experience in membrane systems including our PRISM® hydrogen membranes.

*Sushil Adhikari and Sandun Fernando, Hydrogen Membrane Separation Techniques, Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS, Ind. Eng. Chem. Res., 2006, 45 (3), pp 875–881.

Other Applications

Product NameDescription/BenefitsDownloads

PRISM® hydrogen membranes

Air Products' PRISM membranes enable economical recovery of hydrogen. They can operate at high process loop pressures up to 2500 psig, and are robust against plant upsets. They have small skid footprints and no moving parts, which minimises maintenance costs. They are also easy to install and operate.

Air Products' PRISM membranes enable economical recovery of hydrogen. They can operate at high process loop pressures up to 2500 psig, and are robust against plant upsets. They have small skid footprints and no moving parts, which minimises maintenance costs. They are also easy to install and operate.

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