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Fluoride Processing Technology

Fluorine Compounds in Raw Material Processing:

In the recent past, Fluorine compounds (Fluorides) were used mainly in the nuclear industry for producing uranium fluoride compounds (hexafluoride).

Now, most fluoride compounds are used to produce fluoropolymers.
Such production must necessarily have a closed cycle for the use of fluorine-containing raw materials.
This method provides the greatest benefit when processing polymetallic mineral raw materials.
Fluorine-containing materials make it possible to increase both the range and the completeness of extraction of compounds from polymetallic ores.

The main fluorine-containing materials used in existing technologies are pure fluorine or hydrogen fluoride. But it is safer and technologically simpler to use compounds such as Ammonium bifluoride, Ammonium fluoride, Sodium fluoride, and others, including Hydrofluoric acid.

For example, recent research makes it possible to extract up to 82% of rare earth metals when decomposing perovskite concentrate using fluoride technology.

Experiments have shown that enrichment in solutions of Ammonium fluoride and Ammonia water of aluminum concentrates (nepheline-based) gives more complete extraction of components, reduces electricity costs, and decreases the environmental burden compared to the technologies currently in use.

Metallurgical technologies based on the use of fluorides have great development prospects. For example, when processing Bauxite ores, using Ammonium Bifluoride gives a higher percentage of Aluminum and Silicon extraction.
At the same time, this technology fully guarantees environmental safety.

As a Summary of This Overview Article, the Following Can Be Highlighted:

1. Fluorine compounds (Ammonium Bifluoride, Ammonium fluoride, and Sodium fluoride) are promising materials for introduction into the process flows of metallurgical production.

2. The use of fluoride compounds:

– reduces the cost of the final product,
– increases material recovery,
– reduces the environmental burden.

Articles on the use of Ammonium Fluorides in oil production and in glass manufacturing.

Overview article on Fluoride compounds.

Article about Fluorine-containing raw materials.

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