Production and using method of environmentally-friendly noble metal mineral processing reagent

Production and using method of environmentally-friendly noble metal mineral processing reagent

  • CN 102,321,807 A
  • Filed: 07/13/2011
  • Published: 01/18/2012
  • Est. Priority Date: 07/13/2011
  • Status: Active Grant
First Claim
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1. the working method of environment-friendly type precious metal dressing agent is characterized in that:

  • yellow prussiate of potash and urea are mixed, be put in the reactor drum;

    In slow temperature-rise period, add the pH regulator agent, be heated to molten state after;

    Making the melts pH value is 8~

    14;

    Keep melt temperature 5~

    60 minutes, and be cooled to normal temperature, obtain product;

    Wherein the part by weight of yellow prussiate of potash and urea is 1;

    (1~

    6);

    Described precious metal is gold and silver, copper;

    The said melts pH value that makes is 8~

    14th, and the melts that takes a morsel detects the appearance hot-cold lysis and behind water, measures the pH value;

    Described yellow prussiate of potash comprises wherein a kind of in yellow prussiate of soda and the yellow prussiate of potash;

    Described pH regulator agent comprises one or more the mixture in sodium hydroxide, Pottasium Hydroxide, yellow soda ash, sodium hydrogencarbonate, salt of wormwood and the bicarbonate of ammonia.

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