A kind of processing method of highly concentrated phenol wastewater

A kind of processing method of highly concentrated phenol wastewater

  • CN 104,724,783 B
  • Filed: 12/18/2013
  • Issued: 11/23/2018
  • Est. Priority Date: 12/18/2013
  • Status: Active Grant
First Claim
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1. a kind of processing method of highly concentrated phenol wastewater, this method includes carrying out the highly concentrated phenol wastewater with dephenolize extractantExtraction, obtains extraction phase and raffinate phase, which is characterized in that the dephenolize extractant contains methyl n-butyl ketone, described highly concentratedTotal phenol content is not less than 2000mgL in phenol wastewater-1

  • Contain polyphenol and unit phenol in the highly concentrated phenol wastewater, it is describedThe content of polyphenol is 1000-5000mgL-1, the content of the unit phenol is 5000-10000mgL-1

    With the dephenolizeOn the basis of the total volume of extractant, the content of methyl n-butyl ketone is 100 volume % in the dephenolize extractant, described highly concentratedPhenol wastewater is coal gasification waste water.

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