Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Evaporation backward-feed multiple-effect

Backward-feed multiple-effect evaporators. In the backward-feed operation shown in Fig. 8.2-4 for a triple-effect evaporator, the fresh feed enters the last and coldest effect and continues on until the concentrated product leaves the first effect. This method of reverse feed is advantageous when the fresh feed is cold, since a smaller amount of liquid must be heated to the higher temperatures in the second and first effects. However, liquid pumps... [Pg.494]

The feed to a multiple-effecl evaporator is usually transferred from one effect to another in series so that the ultimate product concentration is reached only in one effect of the evaporator. In backward-feed... [Pg.1143]

Figure 17. Patterns ofliquid flow in multiple-effect evaporators Forward feed, Backward feed, fcj Mixed Feed. Figure 17. Patterns ofliquid flow in multiple-effect evaporators Forward feed, Backward feed, fcj Mixed Feed.
Patterns of liquor flow in multiple..effect evaporators (rz) forward feed b) backward feed (c) mixed feed d) parallel feed, (omn) Liquor streams. (-) Steam and vapor condensate streams. [Pg.485]

See other pages where Evaporation backward-feed multiple-effect is mentioned: [Pg.476]    [Pg.476]    [Pg.1313]    [Pg.2796]    [Pg.1369]    [Pg.1314]    [Pg.476]    [Pg.117]    [Pg.393]    [Pg.88]    [Pg.133]    [Pg.247]   
See also in sourсe #XX -- [ Pg.494 ]



SEARCH



Backward feed

Backwardation

Evaporation backward feed

Evaporation, multiple-effect

Multiple effect evaporators

Multiple feeds

© 2024 chempedia.info