In a forward feed multiple effect evaporator unit
viscosity of liquid is highest in first effect.
transfer from effect to effect is done by pumps.
no pump is required to withdraw the product from the last effect.
None of these.
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Phosphoric acid is produced in wet process from phosphate rock and
The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm mole, its fugacity at 300 K would be
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium