- Model E33 - Arsenic Removal Media

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Bayoxide  - Model E33 - Arsenic Removal Media

The dry, crystalline granular Bayoxide® E33 media was designed with a high capacity for arsenic, providing long operating cycles and low operating costs. The media’s life expectancy is dependent on site-specific water quality and operating levels. Media is filled into the vessels from sacks by gravity or by hydraulic educting. The exhausted media is classified as non-hazardous in the United States and can be sent to a landfill, passing TCLP or landfill leachate requirements. Spent media can be removed hydraulically or by vacuum.

Local regulations in other countries, such as the European Union can differ from the U.S. and will therefore affect disposal routes. It is important that users meet the disposal requirements for spent media to ensure compliance with local and national legislation.

  • Chemical Designation: Synthetic Iron Oxide
  • Fe2O3 Content >70%
  • Specific Surface Area: 120 – 200 m2 /g
  • Sieve Analysis:
    • <0.5 mm, 20 % max.
    • >2.0 mm, 5% max
  • Particle Density: Approx. 3.6 gm/cm3
  • NSF Standard 61 certified, Secretary of State (United Kingdom), French and Hungarian Ministry of Health approved and compliant with EN15029:2006 (Products used for the treatment of water intended for human consumption – Iron Hydroxide Oxides).

Adsorption tests on Bayoxide® E33 have shown that it will adsorb a range of ions in addition to arsenic, which will be adsorbed in preference to these other ions. Under high pH conditions, high levels of certain interferants can reduce the media’s adsorption capacity for arsenicphosphate (>1.0 ppm) and silica (>40 ppm) can present interference and reduce the media’s adsorption capacity for arsenic.

Long term exposure to arsenic is proven to have a detrimental effect on human health. Consequently the global water treatment market has been tasked with finding technological solutions to reduce arsenic levels from the old WHO permissible 50 μg/l (micrograms per litre) level to below 10 μg/l.

Severn Trent Services’ arsenic removal program incorporates a process and filter media that can be used by those feeling the pressures of regulatory compliance. The SORB 33 technology uses Bayoxide E33 granular or Bayoxide E33P pelletized, iron oxide media. Both forms of the iron oxide media have a high capacity for arsenic removal. The ferric oxide absorptive media is capable of reducing arsenic levels to below 4 ug/l across a complete range of drinking and non drinking water applications and is approved for use in potable water treatment by the UK Secretary of State, French Ministry of Health and the US National Sanitary Foundation (NSF61).

Severn Trent Services’ arsenic removal experience dates back to 1999 with 16 arsenic removal treatment facilities treating over 174 Ml/d for over 500,000 customers in the UK. Severn Trent Services and its Bayoxide E33 have over 240 full scale systems awarded worldwide, with numerous installations throughout Europe.

Bayoxide E33 media applications:

  • Drinking Water
  • Bottled Water Production
  • Food and Beverage
  • Factories and Process
  • Private wells
  • Wastewater treatment

Technical details Bayoxide E33 media:

  • Chemical Designation: Synthetic Iron Oxide
  • Fe2O3 Content >70%
  • Specifi c Surface Area: 120 - 200 m2/g
  • Sieve Analysis: <0.5mm, 20% max >2.0mm, 5% max
  • Bulk Density: Approx. 0.4 - 0.6 kg/litre
  • Certifi cation by the UK Secretary of State, French Ministry of Health and to NSF 61
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Bayoxide E33 media advantages:

  • High capacity for arsenic removal
  • Removes both As (III) and As (V) below 4 μg/l
  • Robust dry media
  • Long media life under continuous operation
  • Low capital costs
  • Low operating costs
  • Easy disposal of spent media
  • Long shelf life of dry media

Technical details Bayoxide E33P media:

  • Chemical Designation: Synthetic Iron Oxide
  • Fe2O3 Content >70%
  • Specifi c Surface Area: 120 - 200 m2/g
  • Sieve Analysis: <1.0 mm, 20 % max., >1.4 mm, 5% max
  • Bulk Density: Approx. 0.4 - 0.6 kg/litre
Severn Trent Services,  Inc
Severn Trent Services, Inc
580 Virginia Drive, Suite 300
Fort Washington ,  PA 19034

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