ERG (Air Pollution Control) Ltd

Gas scrubbing using V-texTM technology - Case Studies


Courtesy of ERG (Air Pollution Control) Ltd



  • Removal of Acetic Acid vapour from 1000 ppm to below limit of detection
  • Gas flow range 50 to 1000Nm3/hr
  • Maintenance free operation since installation in 1997

Optical Fibres

Optical Fibre Manufacturer in Denmark

  • Removal of HCl and SiO2
  • Five 2 stages units
  • Scrub liquor contained up to 5% weight SiO2 with no blockage


Major petrochemical refinery in USA
Removal of chlorine 100 ppm, HCl 1500 ppm and SO2 500 ppm in a gasflow of 1000 Nm3/hr

  • Temperature of gas 485°C
  • 1 % sodium hydroxide scrub liquor
  • Removal efficiency 99.9%


Schering Plough

  • Stainless steel unit, designed for 200oC and FV to 16 barg to BS5500
  • Gas flows ranging from 200 to 3600 Nm³/hr.
  • System to start up and achieve full scrubbing efficiency in extremely short time, to cover unexpected bypass requirements

Renewable Energy

  • Stainless steel unit designed for 200°C and 3 barg
  • Gas flow of 13000 to 17000 Nm3/hr
  • Removal of ammonia with an efficiency exceeding 99.5%
  • Removal of HCl to less than 1 ppm
  • By-product of 12%wt ammonium sulphate


  • HCl scrubbing
  • Hastelloy C276 and ECTFE/PTFE
  • Pressure and explosion rating certified
  • >99.5% HCl removal efficiency, batch scrubbing


  • Cl2 scrubbing
  • Chlorine scrubbing from process air stream
  • NaOCl by-product for sale

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