Answer to Question #233514 in Chemical Engineering for Lokika

Question

What are unit operations and unit processes? Draw the P&ID for rotary drier, wet scrubber and centrifugal pump.

Answer 1

Unit operations involve a physical or chemical transformation namely separation, evaporation, crystallization, filtration, desulfurization, polymerization, isomerization, and distillation. Unit process comprises of chemical changes namely hydrogenation, nitration, and oxidation.