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7. Processing of industrial waste - ferric sulfate (II).

These technogenic waste is generated in the production of titanium dioxide by etching iron steel industry. In the world of their accumulated at least a billion tons. For example, in JSC "Crimean Titan" crowded slurry tank covers an area of 45 square kilometers, and in the tailings pond of "Sumykhimprom" as a result of the production of titanium dioxide pigments accumulated more than 2 million. tons of ferrous sulfate FeSO4 doped with sulfuric acid.

We can offer method for processing of waste sulfuric acid titanium production with extraction of Fe2O3 and H2SO4, when using additional raw materials and associated production of Cl2, K2SO4, (NH4)2SO4. The composition of the additional raw materials and manufactured commodity products may vary.

The difference cost of raw materials and products is quite significant to not question the wisdom of recycling of waste sulfuric acid.

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