Heavy metal stabilization treatment method for heavy metal-containing dust

Heavy metal stabilization treatment method for heavy metal-containing dust

  • CN 103,505,842 A
  • Filed: 06/18/2012
  • Published: 01/15/2014
  • Est. Priority Date: 06/18/2012
  • Status: Active Application
First Claim
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1. the stabilization treatment method containing heavy metal dusts, it is characterized in that, according to the HJT300-2007 of People'"'"'s Republic of China (PRC) solid waste Leaching leaching method hac buffer method result of the test, the pH of dissolution fluid is more than 3.0, less than 11.0 containing in heavy metal dusts, add metal hydroxides and/or metal oxide, and containing dithiocarbamate-based chelating agent and water, mixing making containing heavy metal dusts stabilisation, add above-mentioned metal hydroxides and/or metal oxide, the pH value that makes mixing thing is more than 11.0, below 13.5.

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