Advanced removal method of trace selenium in water body

Advanced removal method of trace selenium in water body

  • CN 101,643,289 A
  • Filed: 08/28/2009
  • Published: 02/10/2010
  • Est. Priority Date: 08/28/2009
  • Status: Active Application
First Claim
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1. the degree of depth removal method of trace selenium in the water body, its step comprises:

  • A) water pH value that will contain trace selenium transfers to 3.0~

    9.0, filters, and removes suspended substance wherein;

    B) with steps A) in the treated water body by being filled with the adsorption unit of iron oxide bearing nanocomposite;

    C) when absorption reaches leakage point, stop absorption, carry out desorption and regeneration as desorbing agent, use CO then with NaOH and NaCl mixing solutions 2The adsorption tower of saturated solution drip washing filling compound resin makes resin regeneration.

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