Answer / verma d k

absorber a process equipment are used to remove one or
more gaseous component from gaseous mixture by using
suitable type solvent mostly present in lessr quantity.
Scrubber are basically pollution control equipment used to
scrub out air pollutant ( mainly particultes, and acid
gases) from exhaust system.
Mechanism of Scrubber: inetial impaction or diffusion
method mostly and lesser use of chemical affinity.
Mechanism of absorber: Chemical affinity

Answer / pafl

Absorber is used mostly for removal of only gaseous component from gaseous stream using suitable solvent which then is regenerated while scrubber is used to remove pollutant from outgoing gases mostly pollutants are gases (acid gases), particulate, dust etc. while there is no necessary regeneration of solvent in scrubber other assembly is similar in both absorber and scubber

Answer / khaja moizuddin

Scrubber neutralize the ph of the evolved gaseous mixture where absorber dont

Answer / nag

absorber: which seperates the particles based on the
affinity between particles and stationary absorbent.
scrubber: which seperates the heavier particles based on
the velocity principle. when ever heavy particles collides
with scrubber inclined surface, velocity will become zero.

CHEMICAL MATERIAL BALANCE – EXAMPLE 2.6 : According to Raoult's law for ideal liquid, x (PSAT) = yP where x is mole fraction of component in liquid, y is mole fraction of component in vapor, P is overall pressure and PSAT is saturation pressure. A liquid with 60 mole % component 1 and 40 mole % component 2 is flashed to 1210 kPa. The saturation pressure for component 1 is ln (PSAT) = 15 - 3010 / (T + 250) and for component 2 is ln (PSAT) = 14 - 2700 / (T + 205) where PSAT is in kPa and T is in degree Celsius. By assuming the liquid is ideal, calculate (a) the fraction of the effluent that is liquid; (b) the compositions of the liquid and vapor phases. The outlet T is 150 degree Celsius.

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