Combination of inhibitors
Although the combination of inhibitors is far less than the combination of collectors , it is still quite a lot. The combination types are:
1. Sulfide ore containing cyanide inhibitor combination
Such combinations are as follows:
Lime and cyanide combination;
Lime in combination with sulfur dioxide and zinc cyanide complexes;
Combination of zinc sulfate and cyanide;
a combination of zinc oxide and cyanide;
Calcium salts are combined with cyanide and zinc oxide.
 Second, sulfide ore non-cyanide inhibitor combination
Such combinations are as follows:
Lime combined with sodium sulfide;
Lime combined with sulfurous acid or with sulfur dioxide;
Lime in combination with sodium sulfide and zinc sulfate;
Lime in combination with sodium sulfide and sulfurous acid;
Lime combined with sodium sulfide, sulfur dioxide and zinc sulfate;
A combination of lime and potassium permanganate;
Lime combined with zinc sulfate;
Sodium carbonate combined with zinc sulfate;
Sodium carbonate in combination with zinc sulfate and sodium sulfide;
Combination of zinc sulfate and sodium sulfide;
Combination of zinc sulfate and sulfurous acid (sodium);
Ferrous sulfate zinc sulfate and combinations thereof;
Sodium sulfide combined with ferrous sulfate;
Sodium sulfide in combination with sulfurous acid;
Sodium thiosulfate combined with sulfurous acid;
Sodium thiosulfate combined with ferrous sulfate;
Sodium thiosulfate combined with zinc sulfate or aluminum sulfate;
Sodium thiosulfate combined with zinc sulfate and high-sulfur sulfate;
Weight of chromium in combination with potassium silicate;
Dichromate in combination with sulfite;
Dichromate in combination with zinc sulfate;
Sodium sulfide is combined with lime, zinc sulfate and water glass.
Third, non-sulfurized mineral inorganic inhibitor combination
Such combinations are as follows:
Sodium silicate combined with ferrous sulfate;
Sodium silicate and magnesium oxide in combination;
Sodium silicate combined with sodium carbonate;
Some sodium silicate with weakly basic polyvalent metal cations in combination.
Fourth, the combination of organic inhibitors such as:
Wheat dextrin combined with white gum and wood pulp;
Carboxymethyl cellulose combined with starch and dextrin;
Carboxymethyl cellulose combined with tannin;
Lignosulfonate in combination with polyacrylamide;
Carboxymethylcellulose is combined with thiourea.
  5. Combinations of organic and inorganic inhibitors such as:
Water glass combined with carboxymethyl cellulose;
Water glass in combination with carboxymethyl cellulose and sulfurous acid;
Water glass combined with chlorinated lignin;
Water glass combined with carboxymethyl cellulose and potassium dichromate; [next]
Combination of carboxymethyl cellulose and zinc sulfate;
Carboxymethyl cellulose in combination with water glass and sodium sulfide;
Carboxymethyl cellulose combined with lime;
Combination of starch and dichromate;
Combination of starch and water glass;
Combination of starch and sodium sulfide;
Starch in combination with sulfur dioxide and dichromate;
Starch combined with sulfurous acid and sulfuric acid;
Dextrin combined with white gum, wood pulp, zinc sulfate;
Gurgain combined with sulfur dioxide;
Crude sulfonate (S808) combined with water glass;
Sodium humate combined with water glass;
Sodium citrate is combined with lime.
Table 1, Table 2, and Table 3 are examples of the effects of the combined use of different types of inhibitors.
Table 1 Use of lime-cyanide and lime-cyanide for copper -zinc ore-
Comparison of flotation results obtained from sulfite
Inhibitor used | product | quality | grade/% | Recovery rate/% | ||
copper | Zinc | copper | Zinc | |||
Lime-cyanide | Copper Select Concentrate Zinc Select Concentrate Zinc flotation tailings | 9.43 5.20 75.37 | 19.50 1.85 0.84 | 3.64 49.50 0.52 | 83.8 2.1 14.1 | 19.3 70.0 10.7 |
Raw ore (calculated) | 100.00 | 4.52 | 3.68 | 100.0 | 100.0 | |
Lime-cyanide- Sulfur dioxide | Copper Select Concentrate Zinc-selected concentrate zinc flotation tailings | 17.38 5.45 77.17 | 23.80 1.60 0.38 | 1.69 54.90 0.50 | 91.5 1.9 6.6 | 8.0 81.3 10.7 |
Raw ore (calculated) | 100.00 | 4.51 | 3.68 | 100.0 | 100.0 | |
Inhibitor name | product name | Yield% | grade/% | Recovery rate | ||
copper | sulfur | copper | sulfur | |||
Sodium sulfite (2000g·t -1 +500g·t -1 ) (pH=12.7) | Copper concentrate Sulfur concentrate | 10.60 16.98 | 22.23 0.21 | 33.65 35.78 | 96.35 1.48 | 33.39 82.16 |
Sodium thiosulfate + lime (500g·t -1 +2000g·t -1 ) (pH=12.7) | Copper concentrate Sulfur concentrate | 10.10 15.50 | 22.91 0.58 | 33.89 37.39 | 94.37 3.65 | 32.03 77.58 |
Pharmacy | Concentrate grade WO 3 /% | Tungsten recovery rate /% | Sorting efficiency /% |
Sodium humate Water glass Sodium humate + water glass | 4.68 4.24 4.64 | 79.70 82.49 81.48 | 69.1 70.7 70.7 |
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