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  • Taiwan O2 CO2 Removal Case Study (.pdf)
    A semiconductor plant in Taiwan is using Liqui-Cel (R) Membrane Contactors to remove dissolved gas from their ultra pure water (UPW) system. The UPW system is used to purify water used in the chemical mechanical polishing process (CMP) at the fab. The water system was designed and built by United
  • Bubble Removal from Inks Using SuperPhobic (R) Membrane Contactors (.pdf)
    When liquids and gases are brought into contact, mass transfer between the gas and liquid phases will occur. The concentration of gas dissolved in the liquid will continue to increase until equilibrium is reached. When gas concentrations in a liquid reach equilibrium, the liquid is gas
  • Bubble Removal from Aqueous Streams Using SuperPhobic (R) Membrane Contactors (.pdf)
    from your process. When liquids and gases are brought into contact, mass transfer between the gas and liquid phases will occur. The concentration of gas dissolved in the liquid will continue to increase until equilibrium is reached. Once equilibrium is reached, the concentration of gas in the liquid
  • Deareation: Degasification of Water Using Novel Membrane Technology (.pdf)
    on the surface of finished products or piping material. Also, as the water temperature is increased, dissolved gases can form bubbles that may lead to incomplete wetting of surfaces. The removal of dissolved gases is an important processing step and is routinely accomplished with a vacuum degasification
  • Performance of Palladium Diffusers for Reliable Purification of Hydrogen
    to confirm the efficiency of impurity removal. Even percent-level challenges did not result in any detectable changes in outlet gas quality as shown by atmospheric ionization mass spectrometry (APIMS). Although Pd-cells can last up to 3-5 years, failure can occur much sooner and is often very
  • Advanced Oxidation Ditch Performance (.pdf)
    ; the denitrification rate at 10C is 75% of the rate at 20C. For every gram of nitrate-N that is reduced to nitrogen gas, 2.86 grams of oxygen are saved in terms of CBOD removal. Thus, energy savings of 10 to 20 % can be expected by providing an anoxic zone within the ditch. Denitrification is a zero order

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