Page 41 - Separation process principles 2

Table 1.1 Separation Operations Based on Phase Creation or Addition
Initial Created
Separation or Feed or Added Separating Industrial
Operation Symbola Phase Phase Agent(s) ~xam~le~
- - - - - - -
-
Partial condensation or Vapor andor Liquid or Heat transfer (ESA) Recovery of Hz and N2
vaporization' (1) liquid vapor from ammonia by partial
condensation and high-
pressure phase separation
(Vol. 2, pp. 494-496)
Flash vaporization* (2) Liquid Vapor Pressure reduction Recovery of water from
sea water
(Vol. 24, pp. 343-348)

Distillation* (3) Vapor andor Vapor and Heat transfer (ESA) Purification of styrene
liquid liquid and sometimes work (Vol. 21, pp. 785-786)
transfer

Extractive distillation* (4) Vapor andor Vapor and Liquid solvent (MSA) Separation of acetone and
liquid liquid and heat transfer methanol
(ESA) (Suppl. Vol., pp. 153-155)

Reboiled absorption* (5) Vapor andor Vapor and Liquid absorbent (MSA) Removal of ethane and lower
liquid liquid and heat transfer molecular weight
(ESA) hydrocarbons for LPG
production
(Vol. 14, pp. 384-385)
"k (MS-4) dioxide from combustion
Absorption* (6) Vapor Liquid Liquid absorbent Separation of carbon

products by absorption
with aqueous solutions of
an ethanolamine
3: (MSA) kerosene, and gas oil side
(Vol. 4, pp. 730-735)
Stripping* (7) Liquid Vapor Stripping vapor Stream stripping of naphtha,
cuts from crude distillation
unit to remove light ends
h4W
(Vol. 17, pp. 199-201)
(Continued)