O'Reilly logo

Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

4.9.3 Side Streams or Withdrawal Lines

If a product of intermediate composition is required, a vapor or liquid side stream may be withdrawn. This is commonly done in petroleum refineries and is illustrated in Figure 4-22A for a liquid side stream. Three additional variables such as flow rate, S, type of side draw (liquid or vapor), and location or composition xS or yS, must be specified. The operating equation for the middle section can be derived from mass balances around the top or bottom of the column. For the situation shown in Figure 4-22A, the middle operating equation is

Image

(4-51)

Figure 4-22. Liquid side stream (A) column, (B) McCabe-Thiele ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required