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Stripping Towers

Forbes stripping towers are designed for the efficient removal of Volatile Organic Contaminants (VOCs) from groundwater.

Forbes process design is accomplished with the company’s own dedicated suite of software backed by substantial resources of knowledge and experience.

A design life of 20 years is achieved by the use of high quality plastics throughout the construction. Provided that water and air supplies are free from solid impurities, Forbes’ Stripping Towers normally require no maintenance other than regular external inspection. Where practical, fans are sited at low level for ease of inspection and access to filters, if fitted.

Removal levels down to parts per million (PPM), or even parts per billion (PPB), depending on contaminant.

Key Information

  • Efficient removal of Volatile Organic Compounds from groundwater
  • Cost effective when compared to Carbon Adsorption
  • Minimal maintenance costs
  • Modest energy consumption

VOC Contamination

Relatively high levels of many organic contaminants can be reduced to well below WHO target levels by the stripping process which employs specially designed packed columns with new high-efficiency packing systems.

VOCs commonly found include halogenated hydro-carbons and aromatic compounds such as:

  • Chlorinated Solvents
  • BTEX (Benzene, Toluene, Ethylbenzene and Xylene)
  • Petroleum
  • MTBE – Methyl Tertiary Butyl Ether

Many of these have been identified as carcinogens and regulations now restrict their presence in potable water supplies to ‘no discernable traces’.

An Economical Alternative to Carbon Adsorption

Air stripping is a highly cost-effective alternative to adsorption.

  • Normally energy consumption is modest 
  • There are minimal maintenance costs in typical installations
  • Stripping will typically reduce to PPM levels and the water can then be finally ‘polished’ with activated carbon

Activated carbon adsorption is a well established process to counter VOC contamination but the carbon is expensive and may need frequent regeneration. 

Speak to our sales team to find out more.

+44 (0)1366 389600

sales@forbesgroup.co.uk

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