Control Configurations

From Figure 6 it is clear that controlling the top composition by the reflux (R) and the bottom composition by the vapour flow V (or steam flow S) is just one possible option. This control option is called the RVconfiguration or energy balance structure and it is probably one of the more frequently used options for dual composition control in many distillation columns. In the literature other options for controlling

Figure 9 Composition control in a cascade structure.

both top and bottom composition are discussed and compared, such as the DV configuration and RB configuration, which are called the material balance structures.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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