Phosphoric Acid Process

- The 700 tpd Phosphoric Acid Plant adopts the energy efficient Single stage Hemihydrate Process technology supplied by Hydro Agri International Licensing , Belgium presently known Yara & engineered by Krebs , France presently merged with Technip , France. This process has the following advantages:
  • Maximum energy efficiency with minimum water consumption.
  • Flexibility to handle different grades of rock.
  • High on-stream factor.
  • Low investment cost.
  • Simplicity of operation.

- Salient aspects of design:

  • Operation of the plant from centralized control room through Distribution Control System.
  • Adaptability to any grade blend of rock phosphate.
  • Two streams of vacuum belt filters 80 m2 area each.
  • Three streams of concentration units.
  • Recycle of water to the process to the best extent possible with minimum generation of liquid effluents.
  • Advanced dry gypsum handling and stacking system.
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- Specification:

Parameter

Unit

Value

Specific gravity @30 deg.c gm/c.cm 1.63 – 1.70
P2O5 Wt/wt % 52% – 56%
CaO Wt/wt % 0.05 – 0.5
MgO Wt/wt % 0.2 – 0.6
Na2O Wt/wt % 0.1 – 0.5
K2O Wt/Wt% 0.02 – 0.05
Al2O3 Wt/wt % 0.5 – 1.0
Fe2O3 Wt/wt % 0.6 – 1.5
SO4 Wt/wt % 3 max
SiO2 Wt/wt % 0.1 – 0.5
F Wt/wt % 0.3 – 0.95
Cl Wt/wt % 0.015 – 0.04
Organic Matter Wt/wt % 0.05 – 0.1
Solids Wt/wt % 0.2 – 1.0

*All specifications are subject to change without prior notice.

Handle with care
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