Method for reducing content of heavy metals in sludge source

Method for reducing content of heavy metals in sludge source

  • CN 106,430,872 A
  • Filed: 10/25/2016
  • Published: 02/22/2017
  • Est. Priority Date: 10/25/2016
  • Status: Active Application
First Claim
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1. a kind of method for reducing content of beary metal in the fertilizer of sludge source, comprises the steps:

  • Passivator is added in the sludge source;

    The passivator is turf, flyash, zeolite powder, pulverized limestone, steel-making slag powder, pulverized limestone or biomass carbon.

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