Extractive Phosporic acid

For the production of fertilizers and feed pfosphates requires the use of specially prepared extractive Phosphoric acid.

 

We produce 460,000 tonnes of Phosphorous acid each year.

 

Quality indicators of wet-process phosphoric acid

Indicator name

Rate

Wet-process phosphoric acid

Defluorinated and desulphurised wet-process phosphoric acid

Mass share, %, of wet-process phosphoric acid (H3PO4), recalculated into į P2O5, not higher than

52

52

Mass share, %, of sulphuric acid (H2SO4), not higher than

2,5

0,2

Mass share, %, of water-insoluble sediment, no higher than

5

0,5

Mass share, %, of fluorine (F)

Non-rated

Not higher than 0.18

Mass share, mg/kg (ppm), of arsenic (As), not higher than

-

5

Mass share, mg/kg (ppm), of lead (Pb), not higher than

-

10

Mass share, mg/kg (ppm), of cadmium (Cd), not higher than

-

10

Mass share, mg/kg (ppm), of mercury (Hg), not higher than

-

0,1